Question

How to create a yes no cancel MessageBox with C++ Win32 API

Answer 1

#define WIN32_LEAN_AND_MEAN
#define NOMINMAX

#include <windows.h>

int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
	
	int code = MessageBox(nullptr, TEXT("YES or NO or CANCEL"), TEXT("MessageBox Title"), MB_YESNOCANCEL);

	if (code == IDYES) {
		MessageBox(nullptr, TEXT("Yes"), TEXT(""), 0);
	}
	else if (code == IDNO) {
		MessageBox(nullptr, TEXT("No"), TEXT(""), 0);
	}
	else if (code == IDCANCEL) {
		MessageBox(nullptr, TEXT("Cancel"), TEXT(""), 0);
	}
}



/*
run:



*/

 

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