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nsis

I wanted to know how to call a function from C++ executable using NSIS

I wanted to know how to call a function from C++ executable using NSIS.

I am using the below method but it is not calling the function.

!include LogicLib.nsh
Section
SetOutPath $INSTDIR
  File E:\TestNullSoft\Test1.exe
  File E:\TestNullSoft\Test2.dll

System::Call 'KERNEL32::AddDllDirectory(w "$INSTDIR")'

Pop $1 ;
${If} $0 = 0
    MessageBox MB_OK "Function is NOT CALLED" IDOK
    
${EndIf}

SectionEnd

AddDllDirectory function is declared in the C++ project like as shown below:

Solution

  • You cannot call functions in .EXE files, only .DLL files.

    Specifically, System::Call will call LoadLibrary and GetProcAddress and LoadLibrary cannot load a .EXE.