複数選択リスト

可変個数のアイテムの選択

#include <windows.h>

LPCTSTR strItem[] = {
	TEXT("Kitty on your lap") ,
	TEXT("Tokyo mew mew") ,
	TEXT("Magical nyan nyan TARUTO") ,
	TEXT("Di Gi Charat") ,
	TEXT("Nekoneko Zoo")
};

LRESULT CALLBACK WndProc(HWND hwnd , UINT msg , WPARAM wp , LPARAM lp) {
	static HWND list , label;
	TCHAR strText[1024] , strBool[5][6];
	int i;

	switch (msg) {
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	case WM_CREATE:
		list = CreateWindow(
			TEXT("LISTBOX") , NULL , 
			WS_CHILD | WS_VISIBLE | LBS_STANDARD | LBS_MULTIPLESEL , 
			0 , 0 , 200 , 100 , hwnd , (HMENU)1 ,
			((LPCREATESTRUCT)(lp))->hInstance , NULL
		);
		for (i = 0 ; i < 5 ; i++)
			SendMessage(list , LB_ADDSTRING , 0 , (LPARAM)strItem[i]);

		label = CreateWindow(
			TEXT("STATIC") , NULL , 
			WS_CHILD | WS_VISIBLE , 
			200 , 0 , 100 , 90 , hwnd , (HMENU)2 ,
			((LPCREATESTRUCT)(lp))->hInstance , NULL
		);
		return 0;
	case WM_COMMAND:
		for (i = 0 ; i < 5 ; i++) {
			if (SendMessage(list , LB_GETSEL , i , 0)) 
				wsprintf(strBool[i] , TEXT("TRUE"));
			else wsprintf(strBool[i] , TEXT("FALSE"));
		}

		wsprintf(strText , TEXT("%s\n%s\n%s\n%s\n%s") ,
			strBool[0] , strBool[1] ,
			strBool[2] , strBool[3] , strBool[4]
		);
		SetWindowText(label , strText);
		return 0;
	}
	return DefWindowProc(hwnd , msg , wp , lp);
}

int WINAPI WinMain(HINSTANCE hInstance , HINSTANCE hPrevInstance ,
			PSTR lpCmdLine , int nCmdShow ) {
	HWND hwnd;
	MSG msg;
	WNDCLASS winc;

	winc.style		= CS_HREDRAW | CS_VREDRAW;
	winc.lpfnWndProc	= WndProc;
	winc.cbClsExtra	= winc.cbWndExtra	= 0;
	winc.hInstance		= hInstance;
	winc.hIcon		= LoadIcon(NULL , IDI_APPLICATION);
	winc.hCursor		= LoadCursor(NULL , IDC_ARROW);
	winc.hbrBackground	= (HBRUSH)GetStockObject(WHITE_BRUSH);
	winc.lpszMenuName	= NULL;
	winc.lpszClassName	= TEXT("KITTY");

	if (!RegisterClass(&winc)) return -1;

	hwnd = CreateWindow(
			TEXT("KITTY") , TEXT("Kitty on your lap") ,
			WS_OVERLAPPEDWINDOW | WS_VISIBLE ,
			CW_USEDEFAULT , CW_USEDEFAULT ,
			CW_USEDEFAULT , CW_USEDEFAULT ,
			NULL , NULL , hInstance , NULL
	);

	if (hwnd == NULL) return -1;

	while(GetMessage(&msg , NULL , 0 , 0)) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return msg.wParam;
}