ファイル名：generic.c

#pragma resource "generic.res"
#define STRICT
#include <windows.h>
#ifdef __cplusplus
extern "C"
#endif
long FAR PASCAL MainWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){
	switch (message) {
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	}
	return DefWindowProc(hWnd, message, wParam, lParam);
}
BOOL InitApplication(HINSTANCE hInstance){
	WNDCLASS  wc;
	wc.style = 0;
	wc.lpfnWndProc = MainWndProc;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 0;
	wc.hInstance = hInstance;
	//wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wc.hIcon = LoadIcon(hInstance, "GenericIcon");
	wc.hCursor = LoadCursor(NULL, IDC_ARROW);
	//wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
	wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
	wc.lpszMenuName =  NULL;
	wc.lpszClassName = "GenericWClass";
	return RegisterClass(&wc);
}
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow){
	HWND	hWnd;
	hWnd = CreateWindow(
		"GenericWClass",
		"Generic",
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		NULL,
		NULL,
		hInstance,
		NULL
	);
	if (!hWnd) return FALSE;
	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);
	return TRUE;
}
int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){
	MSG msg;
	if (!hPrevInstance)
		if (!InitApplication(hInstance))
			return FALSE;
	if (!InitInstance(hInstance, nCmdShow))
		return FALSE;
	while (GetMessage(&msg,	NULL, 0, 0)) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return (msg.wParam);
}

ファイル名：generic.rc

//#include <windows.h>
GenericIcon  ICON "GENERIC.ICO"

ファイル名：generic.def

NAME	     Generic
DESCRIPTION  'Microsoft Windows ｻﾝﾌﾟﾙ ｱﾌﾟﾘｹｰｼｮﾝ'
EXETYPE      WINDOWS
STUB	     'WINSTUB.EXE'
CODE  PRELOAD MOVEABLE DISCARDABLE
DATA  PRELOAD MOVEABLE MULTIPLE
HEAPSIZE     1024
STACKSIZE    8192
EXPORTS
	MainWndProc   @1   ; ウィンドウ処理関数の名前