delphi dll string pchar

function GetAString(Buffer: PChar; BufLen: Integer): Integer; stdcall; var ...

function GetAString(Buffer: PChar; BufLen: Integer): Integer; stdcall; var S: String; begin S:= SomeFuncThatReturnsString; Result:= Min(BufLen.

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var str: string; . SetLength(str, GetString(nil, 0) - 1); GetString(PChar(s...

var str: string; . SetLength(str, GetString(nil, 0) - 1); GetString(PChar(str), Length(str) + 1); Delphi wraps these as WideString. A twist though.

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If you copy text to a PChar -“string”, you must always make sure that .. fo...

If you copy text to a PChar -“string”, you must always make sure that .. for instance in a DLL, that must pass back data as a PChar, yourself?‎PChars · ‎Strings · ‎Using them together.

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Here's the Delphi DLL: Library Example; uses SysUtils; procedure GetSt...

Here's the Delphi DLL: Library Example; uses SysUtils; procedure GetStr(A: PChar; B: PChar);stdcall; var StrData:Longword absolute B; //make.

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DllCall to a Delphi DLL passing/receiving strings (PChar) - posted in Ask f...

DllCall to a Delphi DLL passing/receiving strings (PChar) - posted in Ask for Help: Can someone please help me with a problem I have with a.

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Hello Experts:) Another problem with DLL:) I need: send a string to DLL - p...

Hello Experts:) Another problem with DLL:) I need: send a string to DLL - play with Passing/ receiving PChar to/ from DLL. Posted on Delphi. 7.

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So DLL written in D7, to be called by Delphi XE2 My interface needs to be. ...

So DLL written in D7, to be called by Delphi XE2 My interface needs to be. IN My DLL: function d7zipFile(pFatFile,pThinFile: PChar): integer;.

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A common mistake is to involve a local variable in a return to PChar Demo i...

A common mistake is to involve a local variable in a return to PChar Demo illustrating how to pass string // or record data from a DLL to a.

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Hi, I have a dll that must return a string to a C#.Net application and also...

Hi, I have a dll that must return a string to a C#.Net application and also needs to server a Delphi application. I have defined my delphi function.

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class Program { [DllImport("dwn.220.v.ua")] static extern int Get...

class Program { [DllImport("dwn.220.v.ua")] static extern int GetRecordByPointer(byte[] pChar); static void Main(string[] args) { byte[] ptrMyData  Delphi-Dll function with return Boolean throw.

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When a need arises to return a list of strings from a DLL, your first insti...

When a need arises to return a list of strings from a DLL, your first instinct may be to Sharing a Delphi class between different modules is illegal. list of strings to a type that isn't a class and doesn't require freeing: a PChar.

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I am having trouble creating a dll in Delphi that returns a string (pchar) ...

I am having trouble creating a dll in Delphi that returns a string (pchar) to a C++ application. I had no problems passing in pchars from a C app.

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First of all, most of my functions pass type 'strings' around, bu...

First of all, most of my functions pass type 'strings' around, but I am creating a DLL, to make sure it's universal, i can only pass type 'PChar' in.

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Building DLLs in Delphi is so easy that you might overuse this feature. . T...

Building DLLs in Delphi is so easy that you might overuse this feature. . The second function is quite complex because PChar strings don't have a simple +.

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I need to pass Pchar(Pascal String Pointer) type inputs from Labview to the...

I need to pass Pchar(Pascal String Pointer) type inputs from Labview to the DLL. When I wire a string control to the Call Library Function Node.

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