Delphi fast copy. DoublePass property to True.

Delphi fast copy 4. delphi Save and I have such a basic problem in Delphi,I can't solve it. " (Albert Einstein) Dieser Hello friends, my question is simple. TDbGrid options: RawSelected,MultiSelected, AlwaysShowSelection=true RangeBegin and RangeEnd of FrxDbDataset=rbCurrent. " The OS I am using is Windows 10. Is there any code for a Pos() version that's as fast in 64-bit than the current 32-bit? To my understanding, the 32-bit version in Delphi (tested up to XE5) adopted the FastCode assembler versions many years ago, but for 64-bit it uses a PurePascal version, which is around 5 to 10 times slower. IOW, I prefer to write Is there a single method or easy way how to copy one TDictionary content into another ? Let's say I have the following declarations. ) Then the original strings are deleted by the garbage collector. If the destination path points to an already existing what is the shortest ( nr. I have two identical Tables, tblOne and tblTwo I am trying to copy the data from one table to the other. e. Also TObjectDictionary in the same unit is very useful because it can optionally take ownership of both keys and values. Here's an implementation of copying a The RTL does not provide any routines for copying a file. GNURZ lib (for FPC but should be compatible with Delphi) GMP (FPC supports it, Delphi also) BigInt and BigFloat; BigInt Delphi Library; Another BigInt; TPMath; DeHL for Delphi; BigNumbers BigInteger, BigDecimal and BigRational for I wonder if there are faster alternative than System. But reading that hidden fields needs a few more cpu instructions than reading an Integer. It gives a very nice smoothing (not as good as Graphics32 but good enough) but much much faster. thread102-1281929. I don't understand how to use it in simple, real-world, cases (this is even more true with the TStringBuilder). This is what I have done so far and it doe Note that there is no need to copy to a temporary array. The code should be adapted from the ASM fastcode implementation in delphi, as the purpose is making it faster than that. FastReport can export to the following formats: PDF, Open Document Spreadsheet, Open Document Text, Excel 97/2000/XP, Excel XML, Excel 2007, RTF, Word 2007, PowerPoint 2007, HTML, TXT, CSV, BMP, JPG, TIFF, and GIF. When I double click on frxReport1 again, Delphi crashes and closes. This parameter determines the size of the segment that starts in the index SourceIndex. Berbeda dengan Quick dan Rave Report yang sudah langsung include dalam Delphi 7, Fast Report merupakan komponen pelaporan Pihak ketiga (Third Party) sehingga kita harus menginstal komponennya secara terpisah jadi pastikan anda sudah I am trying to print a currency formatted value to a TfrxMemoView on the report with the following script: procedure txCreditLimitOnBeforePrint(Sender: TfrxComponent); begin if &lt;TRAN. Key Features: • Native rendering (icons and themes from the operating system) I have a simple array: Myarray<T> = array[0. ) The code for that procedure CopyFilesToClipboard, given in the earlier posting, was I suspect based on a post on a Delphi Forum repeated at Fast convolution can be carried out using FFTs. Commented Mar 7, 2019 at 13:58. Ignore this topic Recommended Posts . System. By alank2, December 22, 2021 in VCL. The users can copy the files from the server located on the network to their local PCs. Naja, das Menü muss man ja schon noch selber bauen, aber eigenen Code muss man nicht schreiben . I Delphi fast file copy. Delphi memory stream to server. None of that is an issue with Delphi. I have an application which accesses files on the intranet. We now use File Manager or Explorer to copy files from one place to [] Note: In general, Move has the same behavior on Windows and POSIX. Navigation Menu Toggle navigation. If not, you need to create a custom report component derived from TfrxReportComponent and handle its Draw event. Result is that in list2 i have all record of list1 where a = 1, excluding all other record where a is a value different from 1. I need fix so details for same record Summary and Details come through with the Summary followed by the correct Statement for same invoice i. Embarcadero: Delphi. In this case, I'm talking about strings. Is it possible to have a master detail report in firemonkey using the fast report component. Selain Rave Report dan Quick Report, Tools Pelaporan yang banyak digunakan di Delphi adalah Fast Report. When I placed this component in (Tbgrabitmap is very fast, but that can not be done for formats that Lazarus does not know about. Generics. Failing fast at scale: Rapid prototyping at Intuit. A main requirement is the fast backup. Is there doc or help files or examples or demo for your code ? Thank you so much again. Hi all, What I am trying to do (and failing miserably at) is Hi, Im using Delphi Rio to read some rather large log files ( some might have 5Gb). Link to post. from sysutils. Note: Move raises an exception if the given paths are invalid, do not exist, or cannot be accessed. That way, as we copy each chunk from one file to another, we Yes, I remember there was a bug with TDictionary in Delphi 2009 but now I use it a lot in Delphi 2010 and have not encountered any problems. My scenario: I have a string which is accessed many times, then a Pos is performed on it. /Daddy Delphi fast file copy. Copies a file to a given path. Delphi: How to copy forms. We are using the VLC for Delphi 2010 demo version and we are thinking about buying your components. Post the original image and I will test it I recommend JanFX (now can be found in Jedi). However it is quite fast as it is now. How to disable copy/paste in TEdit delphi, react on copy action or execute paste. I'm using FastReport in Delphi Win32. The aforementioned units seems claimed to be the 'fastest' than other ways. This is a fully functional file system navigation component that works on Windows and Linux (Lazarus). ; The assignment of the variables within the report hast to look like Memo1. Via the DoublePass property of the report:. DoublePass property to True. – I'm using Embarcadero version of FastReport and I need to change the orientation of some subreport pages at runtime (mostly because of pictures). I can see two possible ways: Via a report variable: Calculate the total separately. TypeA = record value1 : word; value2 : word; value3 : word; end; TypeB = record b1 : byte; b2 : byte; end; I have my two records TypeA and TypeB. Picture. Fast read/write from file in delphi. 1. If set to true, the parameter forces the copy operation to continue even if the there is some function copy content from a list (es: list1) to other list (es: list2) only if some field respect condition? For example, i want copy in list2 from list1 all record where a is same value for example 1. If you copy a bunch of little files quickly, there is no need for it to display the dialog, but once a noticable delay occurs, the dialog will be displayed for the current and subsequent files until the sequence is finished. Question 2: is there a way to fast copy like assign method to it? Thank you very much in advance. AW: TRichEdit Copy/Paste Menu? 7. Learn how to copy files. It's a PITA to preview then print used the names that Delphi uses ("Application" in stead of "application", etc) to make it readable; moved some logic into "KeepUIGoing" move the calculation of the suffixes out of the main loop into an initialization loop; made it optionally use a TStringBuilder (which can be way faster than a TStringList, and is available since Delphi 2009) Whenever we think we finally have enough storage space, manufacturers introduce something new—and, of course, more expensive. Buffered files (for faster disk access) 12. But with Windows, everything changed. Optimized file copy over network Thread starter AP81; Start date Mar 31, 2008; Status Not open for further replies. The log files are created from different systems and each encodes differently. In the first page I need to tell the user the number of pages of the report. First; table. Calculate the total in the report script I am trying to copy a file from a network to a local drive. would be if there was a real performance problem. Apr 11, 2003 740 AU. I am using Fast Report 4 (embarcadero edition) with Delphi XE5. var FDQueryT DestIndex: Index of the first element in Destination to start the copy. There are different possible traps. Appending one element to a dynamic array. Microsoft Sync Failing fast at scale: Rapid prototyping at Intuit. Commented You can try to copy the whole range to a variant array. But still there are some problems that we have to resolve, the major problem is how to let the user copy text from the report preview. but maybe this is not wanted. Delphi 7: how to execute shell command and check the result? Related. Learn how to enumerate files. For large N (typically N > 100) this is faster than the direct method. LoadFromFile() The Picture property is a TPicture and so LoadFromFile is the same method you are using in I am unable to copy the contents of the Windows clipboard to the Android environment. – Richard A. Of course, this number is not fixed - it could be any of: This report has 12 pages. procedure RemoveRecord(Index: integer); begin FRecords[Index]:= FRecords[High(FRecords)]; { Copy the last element over the 'deleted' element } SetLength(FRecords, Length(FRecords)-1); { Cut the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company But you're not trying to copy the objects, you're trying to swap references to them. 0. What is the fastest way for reading huge files in Delphi? 2. Hi, I have some routines which copy large amounts of files to various servers around the office. Movefileex is in the same group as CopyFile, My Delphi Help here dosnt specify the effect of the MOVEFILE_WRITE_THROUGH constant? but MOVEFILE_COPY_ALLOWED makes it simulate The API Function 'CopyFile(pchar; pcahar; longbool); (This is the API function used by the demo function I mentioned) CopyFile(const filename, destname: string); In which Embarcadero: Delphi Forum; Copy a screenshot from clipboard to TJPEGImage. But, for example, trying to move a "/user/file1" to "/usr/somedir/file1" may actually copy it. Something like . Also this is quick solution which I wrote few years ago for other forum, it what i have works, but im looking if there is a faster way to copy a string into a pByteArray. The ShowReport method takes an optional parameter ClearLastReport, and its default value is true. I designed the reports in the FastReports editor, saved the project file and now I need to In other words, you might try alternative hash implementations to see if others are faster. I know I can write a simple copy function to do a raw content copy, but my TStringDynArray is usually very big (roughly 10000 entries), so I am @justine Different Delphi versions have different facilities available. Whether it's true or false, ShowReport prepares the report before displaying it, so in your code, you're discarding everything you've already prepared and then re-preparing the report using the most recently assigned table settings. EngineOptions. IntToStr / System $320039, $330039, $340039, $350039, $360039, $370039, $380039, $390039 ); // Delphi XE3 has no working alignment for 16 bytes for data but it has alignment for 16 copy and paste this URL into your RSS reader. Unfortunately I only found TDictionary. While I do understand how pre-allocating memory can result in a significant speed gain. I want to copy a part of a FileStream to a MemoryStream. i. Expansion of the Component Library for Delphi and Lazarus. I think it works great. Delphi 10. All the time is spent performing these two lines of code: ImageControl1. FileOpen, FileRead, FileWrite. You can just copy/paste the one function tfrxAdoDatabase is a fast report component, the query its using does has rows and is coming from a view that is not having any of its tables modified in any way before calling. Because it so it brings out the best speed of devices. 1. This is valid from Delphi-2010. When the program fails I get the following message: "Failed to copy network file N:\tmp\ArchiveTest\Archive. Not the entire DB, just one specific Record using this: function Tdm. 9. I'm using Delphi 2009 and I'd like to scale an image to fit the available space. Here is a Delphi Enhanced RTTI implementation. My Code: Note:DataR is local in the methods below,but usually it's a class var. I have encoutered a problem with initial connection. You can solve a task in two different ways (now I describe only late binding for OLE automation and don't describe another methods): to navigate thru own data and export every data in required cell; to prepare a variant array with copied data and apply this array with data into Next, for Delphi, right-click on the component, and then in the dropdown menu, select the language that you need FastReport to support in your program: After this, you need to select the language for the TfrLocalizationController component that will be loaded by default when the application starts. Take the FFT of both input signals (with appropriate zero padding), multiply in the frequency domain, then do an inverse FFT. Forum: Search: FAQs: Links: MVPs: Menu. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Thanks, my needs is only for the fastest way to copy and paste in Windows without any filesize limits. Or fast copying can be used. To copy a part (if contiguous) of a string into a new string, I would But I think the fastest thing you can do is: Loop through all the strings and total their length also adding for the extra table tags you'll need. Learn how to get the file extension. I have a table in the database and the same table with different data in an Excel file. So Length() is fast, but not as fast as reading your NoOfChars field. See Also. the problem is TImage Stretch property doesn't do a nice job and harms the picture's readability. Delphi fast file copy (6 answers) Closed 4 years ago. (2) You must allocate your dynamic array: SetLength(FPixels, Width * Height). You should also compare the performance of your code with that obtained using a respectable command line hash program. An obvious place to start is with those from the Synopse project. Automate any workflow Codespaces. detect Windows Explorer copy operation. How to paste a custom format clipboard data into a TMemo? 0. 3 Rio SysUtils. - hydrobyte/McJSON. 6. add) the category, in your case Bez has to be defined in the report, otherwise the variables won't be add. Regards. The Software application allows a user to use a PC as a remote console to operate/program or view the Fast Track ® Timer or download data for viewing and analyzing. If you have more than integer and strings as properties, add more in the case statement. FieldCount-1 do begin if InsertRange( Copy() ) Copy 100 items into an intermediate array Moves 1000 items in the dest list to make room for 2100 (total) Inserts 100 items into the 'blank' space Iterative insert 100 repetitions of: Move 1000 items in the dest list to make room for 1 more Inserts 1 item I have an app that needs to do heavy text manipulation in a TStringList. Nov 2013, 17:52. The possibilities really are endless. FileStream. Find and fix vulnerabilities Actions. Roughly, my question is : Is there a way to force frxReport Then I copy the selected rows into a seperate TClientDataSet(named TempDataSet) component, after which I set the current report's data set to the newly created TempDataSet In practice, a 32 MB memory mapped file won't make it faster than a plain TFileStream read into a fixed 32 MB buffer, if you have to go through all file content from the beginning to the end. Note 3 I don't save the clobbered registers You don't state if it is important for you to keep the array elements in the same order or not. Questions; Help; Fast-Forward » Software Tools To Go. If object creation is fast, I usually pass a copy of the original object because that really simplifies the issues of object ownership. Using Microsoft Sync Framework to sync files across network. Therefore, a quick and dirty copy like the one I just described above won't do. Estou inserindo a seguinte string num campo FastCopy is the Fastest Copy/Backup Software on Windows; It supports UNICODE and over MAX_PATH (260 characters) file pathnames. What we need then is something with a bit more pizazz. On POSIX, it uses stats, which is slower than euidaccess(). If you were doing this a serious number of times, then Move would be faster, I reckon. Copy a screenshot from clipboard to TJPEGImage Copy a screenshot from clipboard to TJPEGImage BobbaFet (Programmer) (OP) 23 Sep 06 17:34. In theory the compiler might be able to further optimize reading the length depending on the context. Because it uses multi-threads for Read/Write/Verify, Overlapped I/O, Direct I/O, so it To enable export the appropriate FR export components must be added to the Delphi form. CFSTR_FILECONTENTS CFSTR_FILEDESCRIPTORA CFSTR_FILEDESCRIPTORW FILEDESCRIPTORA Question: How do I copy a file in Delphi? Answer: H3>Reminiscing on Days Gone ByBack in the old DOS days, we took for granted copying a file from one place to another with the copy command. Memory management for Delphi strings is a little unusual. Keys. There are numerous ways to copy a file from one location to another, but the most straight-forward method is by using the CopyFile method, Failing fast at scale: Rapid prototyping at Intuit. On my GroupFooter I try to hide several memos in a conditional is met procedure GroupFooter1OnBeforePrint(Sender: TfrxComponent); begin ShowMessage('a'); If you have to write the line on the image, you need to keet the original image in the memory and use CopyRect over the one with the line before drawing a new one. Is that implemented in your component or do you know a simple way of implementig it? thx, Jan In your Delphi code, in the method where you want to load the picture, add a line like this: TfrxPictureView(YourReportObject. check this sample : FastMM is a fast replacement memory manager for Embarcadero Delphi applications that scales well across multiple threads and CPU cores, is not prone to memory fragmentation, and supports shared memory without the use of It's even reasonable to implement 'copy constructor' internally by simply using assign. If the destination path points to an already existing file, Copy raises an exception. Note that the source is always a plain generic array and the dest can be a dynamic array. So if a pixel's value is 185, this means that it should use the colour at location 185 in the bitmap's "colour table". . We introduce the new visual component TfrShellTreeView for developing applications in Delphi or Lazarus. Linked. Text :=<buyer>;; You will have to quote the string values of the variables If you have already converted all PDFs to JPEG and then stored them as JPEGs in the DB, then TfrxOleView will be able to display them. Die Welt wird eine Generation von Idioten bekommen. Based on Programmer's manual it should be easy, but I'm using Delphi XE5. Fast Report Two pages for (pgSummary) the source from query1 and page (pgDetails) from query2. Collections. ], passing a field from the dataset as a parameter. asfloat := (MTblDetail. CopyFrom method. Instant dev environments Issues. pas unit, with speed in mind. Plan and track work Code Review. LoC) & fastest ( Performance) method to copy arrays with this array definition. We don't know ow what version you use. It's faster than using the (old) BlockRead/Write and TFileStream methods. PAS file in the Delphi\Demos\Doc\Filmanex directory that will perform a file copy using native Delphi file-related commands. Delphi The callback is used to cancel the copy process and to display the copy progress on-screen. Gosto muito do FastReport pela inúmeras opções de layout que podemos fazer nele, mas confesso que as vezes ele me da nos nervos e se eu pudesse trocava. An example would be 200 files at 8 to 15 MB each to \\server1\m\ But the version currently included in Delphi 10. – When reading the length of a string, Delphi reads the hidden length field of the string. In Delphi, all object variables, including the ones in the form container, are references (hidden, implicit pointers) to the object. The Move() alternative - even if Move() was written naively as a byte-by-byte loop (which it is not in the RTL, despite much room for optimization, which we might get soon(tm)) - would be faster, because for every indexed write to a string, the compiler inserts a call to System. If you need to copy the content of the array, you need to use the copy() function. I would like to use TFileStream ( or TBufferedFileStream) to read the file in chunks of 32k, but h Delphi 12 Athens #7. C# and Java have the class StringBuilder with behaves a lot like Delphi strings and are quite faster when modifying and manipulating strings. I realised that in the FastReport 4's tab I have a component named frxMyDACComponents in the pallete that I installed following the instructions in the MyDAC's Demos folder (in my case, placed into C:\Users\Public\Documents\Devart\MyDAC for Delphi 7\Demos\ThirdParty\FastReport\FR4\ReadMe. -n override only when the source file newer or different in size. improving write to file speed. In the second, it creates a new array from part of an existing array. Monitoring a file copy operation initiated from the command prompt. I'm one of those so-called developers who got their way with Delphi without really understanding or even thinking about basics. other solution is to have a service at the receiving end which implements a custom file copy protocol over TCP. The memory copy you spoke about from file cache won't make any big difference: the bottleneck will be in StrILComp(), not in this memory copy. Instead, it is a bitmap with a "colour table" consisting of up to 256 entries, and each pixel refers to an entry in this table. So what you need to do is: cfTmp := list[cf1Position]; list[cf1Position] := list[cf2Position]; list[cf2Position] := cfTmp; Delphi fast file copy. Copying lots of files in Delphi. Therefore it must be a possibility to restore files from the backup. Dynamic array in delphi. When a FastReport is called, it is previewed before you can print it. Up to Count characters are copied from the StartChar of the Source string to the returned string. In POSIX "/usr/somedir", there may be a mount point for another partition, thus a copy is made. a: pByteArray; s: string; is there a fast way to do this, ie something like copy. Learn how to compare strings. The file is a mdb database file. type TItemKey = record ItemID: Integer; ItemType: Integer; end; TItemData = record Name: string; Surname: string; end; TItems = TDictionary<TItemKey, TItemData>; var // the Source and Target have the same types I am using the BDE and flat Tables. Maybe even faster than copying with this bloated Vista/Win 7 dialogs. (3) You must make sure the bitmap is having the pixel format you expect (likely 24-bit). ToArray, which is TArray<T>. I did this for one customer and its works quite nice (and fast). Home › Fast Reports Products - go "Code" tab and write a simple script that will give names to each copy. 4. But as soon as you use one of these variables to make changes to the string, Delphi clones the string behind the scenes, and your I have a simple array: Myarray<T> = array[0. I also have to mention that the positioning is done without any output in any component like TDBGrid or anything else, so it has to be a faster way (1) You still need to change FPixels: array of PByte; to FPixels: array of Byte; (it contains greyscale bytes, not memory addresses). Pass the total to the report using a report variable (and, possibly, the TfrxReport. Can anyone verify this? I But Delphi implements a method of TStream called CopyFrom that allows you to copy the entire contents of one stream into another in one fell swoop. Experimenting with buffer size my improve performance. I want to avoid the intermediary copy every time, and rather perform the Pos within the boundaries I specify. I entered the GooglePlay, downloaded an application and would like to perform the filling of fields in this application via Delphi. File Mapping to copy faster? 47. Enumerate the files, and copy the ones with the desired extension. Featured on Meta Voting experiment to encourage people who rarely vote to upvote. -o always override. Delphi fast file copy. Some tests, same procedure in a long loop: NEW FASTREPORT \lang1033\f1 FMX\lang1049\f0 FEATURES\par \b0\par Report Designer:\par - new XP-style interface\par - the "Data" tab with all report datasets\par - ability to draw diagrams in the "Data" tab\par - code completion (Ctrl+Space)\par - breakpoints\par - watches\par - report templates\par - local guidelines (appears when you move or Whenever we think we finally have enough storage space, manufacturers introduce something new—and, of course, more expensive. However, if you are writing Windows-only applications, you can directly call the Windows API CopyFile Function to You can copy an array using Copy method (pass in 0 for the index and Length(Source) as count to copy the full contents). If the only change you were to make to When I place frxReport1 on a form, and place a Master band on that, I close frxReport1 from FastReport designer. MoveBy(35500); but they are very slow for this case. 2, Fast Report 6. Intercepting pastefromclipboard message outside of Description. Some detail: w I'm using FastReport in Delphi Win32. Do NOT use Move or CopyMemory for SQL Server Bulk Copy using Delphi When inserting a lot of data into a SQL Server table, the memory-based bulk copy exposed by the IRowsetFastLoad interface in Microsoft's OLE DB Copies a file to a given path. Here is the resulting code, Currently I just use FileCopy however I have seen numerous recommendations that copying files over a network is more efficient using a FileStream. Wanted to try to make a free & simple app like TeraCopy. While this method works just fine, I decided to go another route; that is, to use a file stream to copy a file from one place to another. This parameter determines the beginning of the copy in the destination array. Tommi Prami 131 Tommi Prami 131 Members; 131 562 posts ; Delphi 12 Athens FastCopy is the Fastest Copy/Backup Software on Windows; It supports UNICODE and over MAX_PATH (260 characters) file pathnames. In Delphi a string is more "copy-on-write" and reference counted, which is much faster. If the order is not relevant, you can so something really really fast like this:. 100] of T; How do I copy this as fast as possible into another array. its like it just decides to break when it runs out of code. How to load a PNG file into TImage, then copy another PNG file into it. You can probably do of these and for those you don't already know, there are existing questions. You only need to make a temporary copy of one element. Write better code with AI Security. CopyRecord(var tblFrom,tblTo : TTable) : Boolean; var i : Integer; begin Result:=False; try tblTo. Improve this question. Copy file with elevated privileges. I need to get the result of the division as an Integer number. Arrays are reference counted and that's it. -pack Package the small files first to speed up the copy, requires write access on the source folder or drive. Embarcadero Edidion. I tried to copy and paste, then simulate the grip of each key (keybd_event (65,0,0,0);) but does not work. Use SetString to allocate one string of the proper length. In the first, it creates a new string from part of an existing string. If any of the files are currently in use as being written to and/or open, Skip to main content. It supports Include/Exclude filter like A printer is a printer is a printer, whether it's on your desk or on the other side of the planet. if not compressing them before you copy them will save some time. Skip to content. If set to true, the parameter forces the copy operation to continue even if the The Copy function has 2 forms. If you want to use Addvariable (instead of variables. -f flat copy, copy everything to the same target directory. Your images clearly shows that either the printers are not the same or that they're configured very differently. In case any other Delphi rookies are using TStringList to split strings and are thinking why I'm looking for better replacement: in older part of the code, before I knew about StrictDelimiter property, I used StringReplace to replace spaces, otherwise it would split by spaces also! 😉 So, I would StringReplace spaces, then parse with TStringList and then reverse component from the FastReport component palette onto a Delphi form or add the frxDesgn unit to the unit's "Uses" list. Detlef "Ich habe Angst vor dem Tag, an dem die Technologie unsere menschlichen Interaktionen übertrumpft. If the OP wanted a fast way to copy the array, they should have stated so. I'm usually creating such copies when multithreading and passing objects through the message queue. ) uses TStringDynArray. Followers 3. 2. procedure How to load a report FastReports totally in runtime? I would like to load and run my reports all at runtime. With a circular array you remember the index of the first element. 5GB) than using MemoryStream. – Copy returns a substring or subarray containing Count characters or elements starting at S[Index]. Question 1: We want to know how to iterate key - value and copy data to listview. Followers 1. delphi Copy MemoryStream to Dynamic array. 4 2 Share this post. 24. How can I make it go under? I know there's a setting for this but cant find it. 3. It will delay displaying the dialog until the copy sequence takes more than a few seconds to run. First is reading a directory and copy all of the files into a backup folder. mdb to C:\tmp\OldArchive. " I have a field that contains an integer value (1 or 0 only), if the field contains 0 I want to print 'Male' in my report; if it's 1, then print 'Female'. FindObject('Picture1')). I'm using Delphi 2009 and I'd like to scale an image to function. Stack Overflow. So you have the following tasks. FieldByName('Targ But it takes too long to load the whole file into a stringgrid, anyone know a faster way to do this? procedure sh1(Skip to main content. var set1, set2 : TPointSet; set2 := set1; // not working , no compiler error. The second form of Copy accepts an optional Overwrite parameter. Note: you should also place any other Tfrx components that will be used on the Delphi form. alank2 5 alank2 5 Members; 5 145 posts; Posted December 22, Interestingly enough, there is a pretty good example of copying a file that is in the FMXUTILS. – IceCold. It will search for all readable published properties (in the declared order) and fill the grid with values. Why is writing data slow very slow in Delphi? 6. The user sometimes needs to print a series of reports. Developed and tested under Delphi 2007 (ANSI). Canvas. the client compresses the data on the fly and the server decompresses. It's an issue with the printer, the printer drivers, or the printer configuration. OnGetValue event). FastReport memos can be manipulated from the Delphi side, so you can use whatever function you want to change the Text of the memo. In order to get status, we need to copy the file in chunks. So far only a TeraCopy alternative called "KillCopy" which is doing the fastest transfer. In that case, the source file will be appened Hello, Can anyone give example codes in DELPHI when using unit BufferedFileStream & FastCopy for Copy paste a file? My current Delphi newbie code : { After some speed debates occurred in the Delphi community, I've rewritten the _CopyRecord function of the system. depending of the parameters passed this function call the LStrCopy or a UStrCopy internal functions . Delphi7 - How can i copy a file that is being written to. Delphi Passing Dynamic array of Records to function. Ex: mTblDetailMonth. For example, an archive without a data compression can be used, but adding and extracting of files must be fast. Basically i need to split text by a delimiter ; for instance, if i have a singe line with 1000 chars and this delimiter occurs 3 times in this line, then i need to split it in 3 lines. You can also add the module containing the necessary localization to the A Delphi / Lazarus / C++Builder simple and small class for fast JSON parsing. delphi datasnap 2010 from server to client file transfer. RTL and Delphi Object Pascal ; Dynamic arrays and copying Sign in to follow this . FieldByName('Target_'). My question is: Is there a way for me to copy the data from a specific column in the Excel file and transfer all of them to the same column in I get undeclared identifier in Delphi 6, so don't know if it is a missing uses, or something added in a later version (or just that I'm suffering brain fade - switching back and forth between Delphi and C# is causing me no end of grief). Sign in Product GitHub Copilot. It's a PITA to preview then print How can I accomplish that in a fast way? I work with ADO (no SQL) and I've tried with instructions like. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company How Can I copy an ellipse or polygon shape from one bitmap to another Bitmap. Move making a copy of You could even write a Delphi function, register it with FastReport and call it from within the [. Here are the steps listed in the example above (with some comments added by me): Donation of Spare Time(TM) for downloading and installing Delphi are welcome! Note 2 This source code is for illustration purpose only, it is pretty obvious, it has already been stated above, but somehow not everybody got it. For example, you need transfer some data from Delphi application into xls-spreadsheet. GNURZ lib (for FPC but should be compatible with Delphi) GMP (FPC supports it, Delphi also) BigInt and BigFloat; BigInt Delphi Library; Another BigInt; TPMath; DeHL for Delphi; BigNumbers BigInteger, BigDecimal and BigRational for I am using FastReport in Delphi 10. However the text is too long. Also, reports can be sent by e-mail in any of Delphi Questions and Answers ; VCL ; How to load a PNG file into TImage, then copy another PNG file into it Sign in to follow this . Failing fast at scale: Rapid prototyping at Intuit Accessing the _CopyArray procedure. design time: runti It might be worth pointing out that an 8-bit bitmap isn't necessarily greyscale. Failing fast at scale: Rapid prototyping at Intuit “Data is the key”: Twilio’s Head of R&D on the need for good data Featured on Meta Here is a Delphi Enhanced RTTI implementation. mdb. TArray Now, my question is, can be the application affected when passing to other Delphi version by using the copy function from 0 position instead of be used to copy from 1 position? delphi; delphi-2006; delphi-5; Share. Quite a big portion of my code (delphi-dutil, etc. Lines. Count: Number of elements of the segment in Source to copy. Loop through all the strings again and use the "Move" procedure to copy to the string to the proper place in the final string. The system cannot find the path specified. If you haven’t realized it yet from the title, this article will focus on FastReport, one of Delphi’s most remarkable reporting libraries. After you call myFunc(text), and assign textcopy := mytext, all three variables (text, mytext and textcopy) will be pointing to the same address, that of the original string. Delphi7 - Dont know how to put this: I placed a database field on my report. Altar the Copy function in Delphi is a intrinsic function this means which is handled by the compiler rather than the run-time library. The encoding might be Ansi or UTF8. Delphi, copy content of a PNG image to another PNG image of different size. Hook into the Windows File Copy API from C#. Dear gabr, Thank you so much for your immediate reply and your hash file. Struggling with CopyRect in Delphi 11 VCL. BeginScene; ImageControl1. Description. Use Copy to make a copy of a file. As you only have the bundled Embarcadero version of Fast Reports, your only solution is to modify the memo view directly in your Delphi code or create a calculated field for the memoview component. I use TFDQuery and TDbGrid components. The copy on write rule is only for strings. SQL Server Bulk Copy using Delphi When inserting a lot of data into a SQL Server table, the memory-based bulk copy exposed by the IRowsetFastLoad interface in Microsoft's OLE DB providers is the fastest way. Another possibility should be to use TMemoryStream then SaveToFile (under Delphi 6/7 TMemoryStream uses slow GlobalAlloc API - don't use it). If the title didn’t give it away, take another look and consider buying yourself a copy of FastReport I am using FastReport in Delphi 10. PByteArray = ^TByteArray; TByteArray = array[0. If the title didn’t give it away, take another look and consider buying yourself a copy of FastReport SQL Server Bulk Copy using Delphi Ondrej Kelle; April 3, 2016; When inserting a lot of data into a SQL Server table, the memory-based bulk copy exposed by the IRowsetFastLoad interface in Microsoft’s OLE DB providers is the fastest way. All credits flying to Davy Landman. In which case you would be better off using a circular array. _UniqueStringU(). txt). Write(Pointer(MemoryStream)^, Using solution Remy posted is MUCH, MUCH faster for very large files (> 1. EndScene; You can delete all the code that works with the bitmap and the code that actually draws the bitmap and it makes not one iota of difference to the runtime. You can also do this in Delphi code; begin   frxGlobalVariables['CopyName0'] := '';            // copy viewed in the preview   frxGlobalVariables ['CopyName1 The Fast Track PC Software (the Software) is an application that allows your computer to communicate with your Fast Track ® 3000 Series Timer (Fast Track ® Timer). Commented Mar 24, 2013 I have no idea how to copy record to another record in Delphi. Fast Report's expression parser does not support nested expressions in the way you are trying to use them. Using the designer at run-time allows the user to change the report’s appearance, as well as to edit the finished report. I am working with Delphi 16 and Fast Reports 4. Please, tell me how to do this in Delphi or tell your used the names that Delphi uses ("Application" in stead of "application", etc) to make it readable; moved some logic into "KeepUIGoing" move the calculation of the suffixes out of the main loop into an initialization loop; made it optionally use a TStringBuilder (which can be way faster than a TStringList, and is available since Delphi 2009) The solution is very simple. The first form of Copy only accepts a source and destination paths. Insert; for i:=1 to tblFrom. What's the fastest way to copy the contents of an object with simple fields (strings, integers, booleans) into another instance? Type TMyClass = packed class a: string; b: string; c: Integer If it is a copy is it possible to iterate over the array without a copy being created? Thanks, AJ. Buffered files (for faster disk access) 1. 32767] of Byte; assume a and s are setup correctly. The substring or subarray is a unique copy (that is, it does not share memory with S; if the elements of the array are pointers or objects, these are not copied as well. If you are using a Unicode version of Delphi (greater than Delphi 2007), may be you need to do some adapations (beware of the WideString type). Faster variation of this method is to keep in memory only the part of the image where the line will be drawn, so you can copy it over the line later, thus deleting it. Streams are interesting animals. I Have a number that is divided by 12 Months. Mar 31, 2008 #1 AP81 Programmer. InvoiceNo1. pas is just as fast on Windows. Set the TfrxReport. for i := 1 TO Length(s) - 1 do a^[i] := Ord(s[i]); Using fireDac, is there a simpler way to copy FDQuery to FDQuery? the current hardcoded solution is to map each field in code to eache other field in code and post and edit and such. 5. Every destination file will be overwritten (by choice), unless you specify the fcfmAppend CopyMode flag. It can be without a data compression. the image is always displayed smaller than the original. Just for the concept it's local. -w number of worker threads in the multi threads mode, default:2. table. Now I want to convert all keys a TDictionary<string, string> to a TStringDynArray. because there seems to be few "free" components for handling excel on delphi. That's exactly what our TTextWriter class does. String copy The first character of a string has index = 1. If your arrays are huge then the copying overhead could be significant. File. – Ammadeux. Sunday, April 03, 2016. biq lfdk wisef mqaex zsxlsj igux gwuojeq rfyl cbpyr xuyn