#include<windows.h> #include"resource.h" int WINAPI DialogProc( HWND hWnd , UINT msg , WPARAM wp , LPARAM lp ) { if( msg == WM_COMMAND ) { if( wp == IDC_BUTTON1 ) { MessageBoxA( hWnd , "Pressed" , "Button:" , NULL ); } } if( msg == WM_CLOSE ) { EndDialog( hWnd , 0 ); } return 0; } int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd ) { DialogBoxParam( hInstance , MAKEINTRESOURCE(IDD_DIALOG1) , 0 , DialogProc , 0 ); return 0; }