Mega Code Archive
Tracking dll loading, attaching, detaching and unloading
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The code snippet shows how your DLL can track its usage.
Library testdll;
uses
Windows, // DLL_PROCESS_nnn defined in here
SysUtils, Classes;
procedure MyDLLProc(Reason: Integer);
begin
case Reason of
DLL_PROCESS_ATTACH: // called when the DLL is loaded
begin
end;
DLL_PROCESS_DETACH: // called when the DLL is freed, if you want
// multithreaded, look at DLL_THREAD_DETACH
begin
end;
end;
end;
begin
DLLProc := @MyDLLProc; // this sets the DLL entry point to the MyDLLProc.
// when ever the DLL is loaded or unloaded,
// this proc is called with:
// DLL_PROCESS_ATTACH
// DLL_PROCESS_DETACH
// DLL_THREAD_ATTACH
// DLL_THREAD_DETACH
MyDLLProc(DLL_PROCESS_ATTACH); // because we interupted the default
// dllproc, we must recall our proc
// with the DLL_PROCESS_ATTACH reason.
end.
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