ReadProcessMemory ERROR 299

[sk0r]

Delphi-Quellcode:

ReadProcessMemory(hProc, tm.modBaseAddr, @gDosHeader2, sizeof(TImageDosHeader), dwBytesRead);
ReadProcessMemory(hProc, PImageNtHeaders(Cardinal(tm.modBaseAddr) + gDosHeader2._lfanew), @gNtHeaders2, sizeof(TImageNtHeaders), dwBytesRead);

var mBuf: array[0..1024-1] of Byte;

//Schlägt fehl:
ReadProcessMemory(hProc, Pointer(gNtHeaders2.OptionalHeader.BaseOfCode), @mBuf, sizeof(mBuf), dwBytesRead);