Delphi 2010 write string. Exactly some code looks like - JSON:=TJSONObject.
Here's a function that uses it. Text + '\n' + txtDetails. Nov 28, 2012 · I have a TStringGrid say StringGrid1 and one textbox say textbox1 on my delphi form. Handling a Unicode String in Delphi Apr 25, 2013 · Granted this assumes that your string only contains ansi data, but if your trying to write a string to a registry value as a binary value then the following changes to your logic would work: var EdStr : AnsiString; : EdStr := AnsiString(Edit1. That is true. Are you using FireMonkey instead of VCL? FireMonkey's TStringGrid does not have a FixedRows property, but it does have RowCount and Cells properties, so just remove the FixedRows references if you are indeed using FireMonkey. Text := StringReplace(myStringList. These can be used to store and display such things as user details, screen titles and so on. ini, just numerate all strings - read file like text file, find needed section and add same count index like a key, schematically(!): FileString[i]:=inttostr(i)+'='+FileString[i]; If need mixed format, will require more complicated parser. Which is why you needed to use UTF8Encode. } {=====} unit APIClipboard; interface uses Windows, Classes; procedure StringToClipboard( const S: String ); function ClipboardAsString: String; procedure CopyDataToClipboard( fmt: DWORD; const data; datasize: Integer May 17, 2014 · If you want to place your string at the caret position of your memo you can use the following code: procedure TForm1. In Delphi code, Write writes one or more values to a text file. private FLog: TStringList; FIni: TIniFile; aTime: Nov 16, 2009 · So the general approach here would be to read the line, parse the hex value and create a WideChar from that value. Jan 11, 2011 · I'm currently working on a program to generate the hashes of files, in Delphi 2010. I have the create and load code working fine. But I didn't do much Delphi in recent years so I'm afraid I can't tell you exactly how to do this. WriteBinaryData('SomeKey', EdStr[1], Length(EdStr)); Jun 30, 2011 · Calling CreateKey doesn't open the key which is why the write fails. So for example, a 1,000 char constant used 50 times would produce 50,000 characters Feb 4, 2019 · Here are Delphi string handling routines explained: declarations, descriptions, and examples. Choose "View as Text". This means that you can use it without specifying its name: myName := names. For example, If Length(Something) >= 5 then HaveSerial:=True; When needed you can test with If HaveSerial then Just a thought because you'll get an empty string if it's not long enough. But, if the JSON is OK but doesn't start with an Object, the cast to TJSONObject will fail and raise an exception, which are you not handling, and so the TJSONValue would be leaked. WideString isn't as nice as the new UnicodeString type, but it still holds 16-bit Unicode characters, and you can type-cast it to PWideChar to send strings to Unicode API functions. It creates a fresh file that you can upload text to. ParseJSONValue(BytesOf(StripNonJson(text)),0) as TJSONObject; and function function TForm1. One way is to convert each numeric value into its corresponding digits. Example(My Gr10 Highschool Delphi Practical): Nov 3, 2008 · MyString := string( myBytes ); If not, the string result will have random data at the end (it could also probably cause a read violation depending on how long it took to encounter a #0 in memory). Feb 11, 2013 · Stream. Aug 22, 2010 · asked Aug 22, 2010 at 7:29. Aug 13, 2016 · An array of bytes is not a string, so the compiler's message means exactly what it says. But in Delphi 2010 I'm struggling to find a way to do the same thing, i. Types. Jul 15, 2013 · This would depend entirely on how you define a word and the text from which you wish to pull the words. You can use it to load the entire books. Jun 17, 2013 · Here is another way to do it. The WideString type has been available since Delphi 4, I think, maybe earlier. Write(Str[1], StrLen * SizeOf(Str[1])); Same when reading data back from stream. Jan 20, 2018 · Yes, there is: TBase64Encoding constructed with specific parameters. Jan 20, 2019 · "This is part of a class helper for TStream" - My code is also from a class helper of my own :) Though I was pretty sure it will not work with Delphi 2010 unless I change the string to AnsiString (which I just did recently). btnReadClick(Sender: TO If you migrated your project from an old Delphi version, check the font used in your dialogs. Aug 5, 2011 · I'm building a String called FullMemo, that would be displayed at a TMemoBox, but the problem is that I'm trying to make newlines like this:. xml into memory. A Delphi 2005 WideString char as well as a Delphi 2010 String char is guaranteed to always be 2 bytes in size. Sep 10, 2018 · Here its a VCL app and I have a link with my Ini file and I wanna keep adding lines in there with time and date stamps with press of a button. Why should fetching the string version of a stream force the stream's memory to be reallocated, after all? function MemoryStreamToString(M: TMemoryStream): string; begin SetString(Result, PChar(M. S. FUNCTION ReplaceCharInPos(CONST Text: String; Ch: Char; P: Integer): String; VAR Lng: Integer; left, Right: String; BEGIN Lng:= Length(Text); IF Lng = 0 THEN Result:= '' ELSE IF (P < 1) OR (P > Lng) THEN Result:= Text ELSE IF P = 1 THEN Result:= Ch + Copy(Text, 2, Lng - 1) ELSE IF P = Lng THEN Result:= Copy(Text, 1, Lng - 1) + Ch ELSE BEGIN Description: The Char type is a simple variable type used to hold a single character. Aug 8, 2018 · Another Much Simpler Way To Create a File (For those who found this page years later like I did) is to simply use AssignFile('FileName. Text:= Ticks. 0, so is possible to build with binary streams your PDF file, but with sure if you use some ready components will be more easy Feb 25, 2015 · I'm doing a program in Delphi, writing in all kinds of files, either text or executable: var openfile: TextFile; begin AssignFile(openfile, 'test. Scroll down or search for your text. Json. See Also Description: The TextFile type defines a file type for holding textual data. And if your Delphi is a bit rusty there's the ever useful Delphi Basics site Jan 4, 2014 · The Modern Modern way is to use TFile. So following should work: Stream. I suggest you take a look at this StackOverflow question and its answer about URL-encoding UTF8 (unicode) strings. Sometimes I don't want to clutter up my code space, especially for a static label. Is used to write a line of text to the console. Valid examples: 2. You are using a Unicode Delphi but being confined to ANSI. Feb 20, 2010 · Does Delphi have anything built-in to generate UUIDs? 2010 at 1:44. For example: Apr 13, 2011 · Something like this should do: // For those who need a disclaimer: // This code is meant as a sample to show you how the basic check for non-ASCII characters goes // It will give low performance with long strings that are called often. However if we declare const s :string = 'Test'; ss :string[4] = 'Test'; then the first string s if declared as UnicodeString, but the second one ss is declared as AnsiString! Feb 8, 2021 · I supoused It was due unicode string, but I haven't found a solution. Version 1 Is used to write a line of text to the console. Jan 18, 2021 · Write procedure for text files. There are three different constructor overloads. The event viewer in the Delphi IDE itself is able to receive that input, or you can use the DebugView application from SysInternals to get output on a system that hasn't the IDE installed. Base64 instance is constructed with default one. The easiest solution is to replace the call to CreateKey with one to OpenKey passing True for the CanCreate parameter. Text, r2. But then the compiler can't assume anything about the nature of T, so you can't treat it as an object. Text, 1, MyMemo. . Serializer to convert a record to a Json String. It can be assigned from a character constant, or an integer. May 15, 2011 · You need to encode your unicode strings into the URL properly. In the newer versions of Delphi, you can use the THashMD5 record from the System. Text and r3. (finalarchivo : = + lineasleyendo finaldearchivo is not valid Delphi syntax. What wasn't realized is that compilation will copy that constant to as many string literals as there are references to that constant. WriteAllText in IOUtils (Delphi 2010 and up) procedure WriteAllText (const Path: string; const Contents: string); overload; static; Creates a new file, writes the specified string to the file, and then closes the file. If the JSON cannot be parsed, a nil pointer is returned, which you are accounting for. Sign up Jan 21, 2011 · Consider a string like this: sString := 'This a string #0 with a huge problem'. type TFullPath = record value: string end; TFolderOnly = record value: string end; Nov 10, 2013 · I've seen someone create a string constant with probably 1,000 characters, and use that constant in many many different places. In fact, the unit (and this JSONReformat() function) does all the process directly in UTF-8, without any memory allocation of the data into string or widestring. Text Jul 12, 2013 · Option 2: load the file into a string first. Use the ISO 32000-2 to format version 2. Likewise for AnsiLowerCase. further, I believe that we are keeping data and variables separate by using my technique. Aug 18, 2015 · You could use a real encryption library like in this question. This will create the key if it does not already exist, and then open it for you to use in subsequent method calls. function ListToString<T>(list:TList<T>):String; That would work. Strings[4]; is equivalent to : myName := names[4]; Text property Set or get the list via a big string. Each P is a write parameter. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Nov 15, 2010 · @dlnan Your statement regarding confusion makes sense to me to a certain degree. btn, lst, txt to mention a few. cus'); ReWrite(myFile); // Write a couple of customer records to Nov 3, 2011 · Description. Something like: procedure DebugMsg(const Msg: String); begin OutputDebugString(PChar(Msg)) end; There is a useful reference for debugging techniques here. And of course there's the whole issue of Unicode. Text, the splitting back into string lists based on #13 goes wrong. Best of luck! Apr 3, 2014 · Create a TStringList and assign your comma separated string to StringList. cus binary file for writing to AssignFile(myFile, 'Test. When you concatenate the texts of these string lists with a #13 between the r1. S is the string to be split. I have a string - a serial number of a mother board (only numbers and letters). ReadLn() in Indy 10 will still read in raw bytes and convert them to Unicode using the TIdIOHanlder. A small external utility could take your original string and convert it to a static array of bytes, which would be compiled into your app, and be decrypted and restored in memory as a string. Note that the Strings property is the default property. But even so, in pre-Unicode versions of Delphi, TIdIOHandler. SelStart) + // then add your string MyString + // and now ad the text from the memo that cames after the caret // Note: if you did have Dec 5, 2010 · what im trying to do: input in an edit box, write it to a memo box line on button click, when a 0 or -1 is entered move on to next line of edit box Dec 23, 2017 · The function below works perfectly to convert string to hexadecimal: function String2Hex(const Buffer: AnsiString): string; begin SetLength(Result, Length(Buffer) * 2); BinToHex(@Buffer[1], Oct 25, 2013 · I've not tested the speed, but for academic purposes, here's an easy way to split the strings: myStringList. Text types Like many other languages, such as VBA> and Java, Delphi allows you to store letters, words, and sentences in single variables. It is said that I must write more text, but don't know what to write. exe'); Append(openfile); WriteLn( Mar 15, 2013 · Is there a Delphi function to split string by a multi-character delimiter rather than a single character ? For instance when I'd use that function this way: SplitString('Whale<->Mammal<->Ocean', '<->') I would get a result of these 3 strings: 'Whale', 'Mammal', 'Ocean' Is there such function in Delphi for this ? Jul 23, 2010 · I want to call a DLL function in Delphi 2010. Description: The Write procedure writes a single line of data to a file or to the console. SysUtils. Create a copy of part of a string or an array: High: Returns the highest value of a type or variable: Length: Return the number of elements in an array or string: Low: Returns the lowest value of a type or variable: SetLength: Changes the size of a string, or the size(s) of an array: Slice: Creates a slice of an array as an Open Array parameter Jul 22, 2010 · I know this is a very old topic, but I feel like I kinda need to share my code regarding the question. Chapters:00:00 Intro00:08 New Delphi Conso Apr 1, 2020 · On Windows, TIniFile internally uses the Win32 PrivateProfile API (in this case, WritePrivateProfileStringA() in Delphi 2007 and earlier, and WritePrivateProfileStringW() in Delphi 2009 and later). Sorry for my english, I'm not strong in it. Is used to write a line of text to a text file with the given FileHandle . ToString; Jan 2, 2014 · Load the whole text inside the memo, edit its content and save into a new file (load all -> edit all -> write all) Do a while loop (until the end of my *. To write string body to stream, you can use the next code: test. SplitString returns an array of strings of type System. They do provide mechanisms for reading and writing numerical data stored as text (see Write), but it is safer and wiser to use structured records when storing anything other than plain text strings. DefStringEncoding. I don't know about what your AV software is doing, but the second code you posted isn't real, because it won't compile. So check what you're sending it to. :) Take a look at TStringStream, which has a LoadFromFile method to load a file from disk. You will now see all of the objects as designed, but as text only. I do not know in which language is the DLL developed. Dec 9, 2010 · A Delphi 2005 WideString is exactly the same type as a Delphi 2010 String; That is not true - ex Delphi 2010 string has hidden internal codepage field - but probably it does not matter for you. e. Version 2 Is used to write a line of text to a text file with the given FileHandle. Distinct record types are not assignment-compatible, even though string types are. If a "word" is everything between spaces, or "-" in your example, then it becomes a fairly simple task. InsertStringAtcaret(MyMemo: TMemo; const MyString: string); begin MyMemo. Since Delphi 2009, Unicode is supported, and string maps to UnicodeString, and TStrings is a collection of such strings. Just reading and writing values from specific cells and ranges on different sheets. Jul 13, 2013 · As a solution for huge non-format . Aug 9, 2015 · I need to read from and write to Excel spreadsheets using Delphi 2010. Text, myDelimiter, #13#10, [rfReplaceAll]); // Use [rfReplaceAll, rfIgnoreCase] if you want to ignore case Jun 9, 2022 · Just a small nitpick - ParseJSONValue() returns a TJSONValue. Size div SizeOf(Char)); end; Open a text file to allow appending of text to the end: AssignFile: Assigns a file handle to a binary or text file: CloseFile: Closes an open file: File: Defines a typed or untyped file: Reset: Open a text file for reading, or binary file for read/write: TextFile: Declares a file type for storing lines of text Oct 14, 2012 · I agree the answer regarding INDEXED properties, given by Andreas, is the solution the poster is looking for. txt file) that reads the file line by line, edit the content and save it in the new file. F, if specified, is a text file variable. I can hardly find any reason to do so in this case, but it can never hurt to know. Not all fonts support all unicode characters. StripNonJson(s: string): string; var ch: char; inString: boolean; begin Result := ''; inString := false; for ch in s do begin Dec 18, 2014 · I am looking to create a regular expression in Delphi XE that will match a number followed by one decimal point, followed by (essentially) an unlimited number of digits. Exactly some code looks like - JSON:=TJSONObject. Remeber that you cant actually see the #0 char, you may need to create a procedure to search for this char and delete it. Text := // copy the text before the caret Copy(MyMemo. A user must send The code you have is unnecessarily complex, even for older Delphi versions. The WriteLn procedure writes a complete line of data to a text file or to the console. Alternatively, you can load your file into a string first. Since I really (really) hate to see long lists of overloads for all kinds of types, and really (really) like the Variant type, I've created jsonDoc, and it would look like this: Description: The TextFile type defines a file type for holding textual data. Text files provide a simple, convenient way of storing textual data. In this video we will show very quickly how to use the System. Numbers aren't text, so somewhere in the process, you need to tell your program how to convert the numbers into text. Jan 15, 2015 · uses SysUtils, DBXJSON; type TProcessJSONString = TProc<TJSONString>; procedure DoJSONObject(o: TJSONObject; Process: TProcessJSONString); forward; procedure Strings property Get or update the string at a given index in the list (the first list item has index 0). Bytes are numeric; strings are textual. By design, URL strings are ANSI (which is why you don't get Higurana/Cyrilic etc. For years I use my own HexEncode, very similar with Forlan's code up there, but just today I found a faster way to encode Hex. Jan 25, 2011 · Under Delphi 2010 (and probably under D2009 also) the default string type is UnicodeString. For completeness, for future visitors, I'd like to point out that a property can have an array type, as long as the type is Jul 22, 2019 · The Delphi 7 string type, and consequently TStrings, did not support Unicode. Dec 20, 2008 · Delphi versions prior to Delphi 2009 do have Unicode support built in. TXT'). When I enter anything in textbox1, that comes in next row of the StringGrid1. Delimiters is a string containing the characters defined as delimiters. It is better to use SendBuf() and ReceiveBuf() directly instead. LabelTicks. Jul 29, 2015 · Is it me, or is that just really ugly (and codous, or what's the word for a lot of code for what it does). Mar 6, 2011 · Besides the solutions others provided, you can also make use of the built-in function: function HexStrToStr(const HexStr: string): string; var tmp: AnsiString; begin Assert(not Odd(Length(HexStr)), 'HexToStr input length must be an even number'); SetLength(tmp, Length(HexStr) div 2); HexToBin(PWideChar(HexStr), @tmp[1], Length(tmp)); result := tmp; end; Dec 11, 2008 · I presume what you're trying to accomplish is a little more complicated than simply writing text with a transparent background; i. Text); // de-unicode reg. With that said, TClientSocket and TServerSocket have been deprecated for a LONG time. I had a problem, which was apparently similar to yours: I had correct unicode strings in the debugger but in the application some of the special characters appeared as black squares. Needs to work without having Excel installed and support Excel 2007. Read data from a binary or text file: ReadLn: Read a complete line of data from a text file: Reset: Open a text file for reading, or binary file for read/write: ReWrite: Open a text or binary file for write access: TextFile: Declares a file type for storing lines of text: Write: Write data to a binary or text file Oct 16, 2011 · SplitString splits a string into different parts delimited by the specified delimiter characters. Though, I am not really interested in saving UNICOE, I admit, I will update my code (using yours) to support UNICODE. As part of this I have a option to create User Presets, e. FullMemo := txtFistMemo. P. 334 150 Jun 14, 2015 · I just did my first steps with a 30day test version of Delphi XE8 and figured out that one has to write e. You should use some other character as separator for the string lists. you are trying to get some form of alpha-blended text written on the image. Nothing fancy. Dec 5, 2010 · what im trying to do: input in an edit box, write it to a memo box line on button click, when a 0 or -1 is entered move on to next line of edit box code: procedure TForm1. If I use the ToBytes function, it returns 't'#0'e'#0's'#0't'#0, which is not what I want. WriteBuffer(ws[1], nChars * SizeOf(ws[1])); end; function ReadWideString(stream: TStream): WideString; var nChars: LongInt You can write a wrapper function to take care of the variables passed to OutputDebugString as it expects a PChar. If F is omitted, the standard file variable Output is assumed. Jan 25, 2017 · There is also the quote from help file: obj['foo[]'] := value; // add an item array This suggests another way to populate an array (if the root object itself is not an array). Write(Str[1], StrLen); you're writing first StrLen bytes to the stream. If the target file already exists, it is overwritten. Default TNetEncoding. Jul 28, 2010 · Find answers to How to re-write code using strings to Delphi 2010 from the expert community at Experts Exchange. If you are going to read this string from stream (file) later, then it would be wise to write its length before string body. adrex. Mar 25, 2011 · @awmross: Well, you could give the function itself a generic type. This function takes a string and writes it to a printer with an USB interface. Memory), M. CommaText. pre-defined choice of hashing algo's which the user can create/save/delete. TStringDynArray that contains the split parts of the original string. Dec 12, 2010 · In Windows, the simplest way to output debug information is to use OutputDebugString() and then use an application able to receive that output. Jan 27, 2016 · Delphi 2007 does not interfere with the contents of UTF8Str, i. IntToStr( Ticks); But: The variable 'Ticks' seems to be an object! I did not expect that, but you can also write. This is very commonly used in Delphi. Mar 23, 2014 · An obvious improvement would be to call AnsiUpperCase once, passing the entire string, and iterate over the upper case string returned. I want that the new enteries in Jul 18, 2014 · Remy's code is correct after the following adjustments: var vJSONBytes: TBytes; vJSONScenario: TJSONValue; vJSONArray: TJSONArray; vJSONValue: TJSONValue; vJSONObject You have provided non-real code, but I suspect that "here" is string. | (Note that it must be in a separate type section to prevent the bug and that the workaround doesn't seem to work for generic classes. store a UTF-8 encoded string in a WideString without it being automatically converted from UTF-8. Thanks. Jul 15, 2009 · Explore Teams Create a free Team. But the (unicode)string data is actually StrLen * SizeOf(Char) bytes (you have to take the size of the char type into account). answered Oct 14, 2011 at 3:09. Mar 14, 2017 · Depending on how you're using the extracted characters later I'd consider checking the length of the string and setting a boolean if it's not long enough. domain names). However, I believe that this is why we have variable prefixes in most platforms today. Jun 11, 2013 · In D2009+, SendText() and ReceiveText() do not work correctly with Unicode strings. Oct 1, 2010 · type TCustomer = Record name : string[20]; age : Integer; male : Boolean; end; var myFile : File of TCustomer; // A file of customer records customer : TCustomer; // A customer record variable begin // Try to open the Test. pas unit works from Delphi 6 up to XE6, in both Win32 and Win64 platforms, and does fully support Unicode, even on the Delphi 7 revision you are still using. 15 see our tips on writing great answers. This example shows how to use the built-in component streaming support to convert any component into a string and to convert that string back into a component. The first parameter is the string that you want to hash and the second parameter is a boolean where you can specify whether you want the Hash String to be uppercase or lowercase. To just have it defined with the form, enter the label text on the form, then right click anywhere on the same form. Mar 8, 2013 · I was missing a recursive solution like that: function CountOccurences(const SubText, Text: string): Integer; var PosRes: Integer; begin // Find the position of SubText in Text PosRes := Pos(SubText, Text); // If SubText is not found, return 0 if PosRes = 0 then Result := 0 else // If SubText is found, add 1 and call CountOccurences recursively // for the remaining string after the found This unit uses only API routines, the only VCL units used are Classes (for exceptions and streams) and SysUtils. Jul 27, 2011 · This is a bit less clear-cut than the first case, because when Delphi transitioned from AnsiString to UnicodeString as the fundamental string type, they redid a lot of the winapi headers in the Windows unit to resolve to equivalent widechar versions of the routines that took strings. Yes, the string type in Delphi 5 was AnsiString, but it was changed to UnicodeString in Delphi 2009. Hash. Feb 5, 2017 · String lists use CarriageReturn - LineFeed ( or #13#10) as end-of-line characters as default. Cruachan Cruachan. Feb 27, 2022 · Because of the policy of this site I've deleted some code. asked on . In Delphi 2010 SizeOf(Char Sep 1, 2009 · Rather than read and write one character at a time, read and write them all at once: procedure WriteWideString(const ws: WideString; stream: TStream); var nChars: LongInt; begin nChars := Length(ws); stream. Text:= System. Write(PChar(here)^, SizeOf(Char) * Length(here)); P. Have fun with Delphi. How to encrypt/decrypt it and have a normal view: letters only from A to Z and numbers from 0 to 9. Or you could use CharUpperBuff and CharLowerBuff to avoid heap allocations. to center text while writing in the cell, and has free version for Delphi 6 & 7, the other one is more powerful. Teams. For instance, VCL controls use TStrings to access a memo's lines of text and a combo box's or list box's items. Each write parameter includes an output expression whose value is to be written to the file. Version 2. Please note that due to the compiler bug documented in RSP-21151 this currently doesn't work for class constants (fails with E2086 Type 'TArray<T>' is not yet completely defined), unless you add an additional: type TStringArray = TArray<string>; to your unit. . According to the documentation, the syntax of the function is: int WriteUSB(PBYTE pBuffer, DWORD nNumberOfBytesToWrite); How can I declare and use my function in Delphi? Aug 21, 2015 · @markkk: VCL's TStringGrid has a published FixedRows property. it is left as a UTF-8 encoded string stored in a WideString. Nov 28, 2020 · This century, you can use the TStringList. Ticks: integer; LabelTicks: TLabel; () LabelTicks. Version 1. You must use AssignFile to assign a file to the FileHandle and open the file with Reset or ReWrite before using Aug 29, 2013 · Note: Our SynCommons. This parses your input and returns the split strings as the items of the string list. Sep 12, 2008 · Using System. Start Free Trial Log in. WriteBuffer(nChars, SizeOf(nChars); if nChars > 0 then stream. Jan 24, 2013 · Create different record types for each string type. g. Notes: It is not guaranteed to be 1 byte in size - use AnsiChar if this is what you want. Some things I've looked at: Feb 27, 2014 · Do you need to write one new PDF file manually? In this case you need to know the struct of format to PDF files. If you do a ShowMessage(sString), it will only display "This a string" because a #0 indicates a end of string character. Hash unit. yk gu es sy bi jb dq ar px wt