key.cpp

用来查看VirtualKey值的程序,在编程的时候,如在设计热键的时候有用.

/*	Copyright (c) 2003 by awdesq
*	All rights reserved.
*	filename:				.cpp
*	author:					awdesq
*	time:					2003.
*	funtion:				
*/
//Declaration funtion here
#include	<stdio.h>
#include	<windows.h>
#include	<ddraw.h>
ATOM					MyRegisterClass(HINSTANCE hInstance);
BOOL					InitInstance(HINSTANCE hInstance, int nCmdShow);
LRESULT CALLBACK		WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);


//Declaration global variable here
HINSTANCE				hInst;					
TCHAR					szWindowClass[] = " ";
TCHAR					szTitle[] = " ";

//Winapi Entry
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
	MSG			msg;
	HACCEL		hAccelTable;
	MyRegisterClass(hInstance);
	InitInstance(hInstance, nCmdShow);
	while (GetMessage(&msg, NULL, 0, 0)) 
	{
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}
	return msg.wParam;
}	

ATOM MyRegisterClass(HINSTANCE hInstance)
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX); 

	wcex.style			= CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc	= (WNDPROC)WndProc;
	wcex.cbClsExtra		= 0;
	wcex.cbWndExtra		= 0;
	wcex.hInstance		= hInstance;
	wcex.hIcon			= LoadIcon(NULL , IDI_WINLOGO);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= NULL;
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(NULL, IDI_WINLOGO);

	return RegisterClassEx(&wcex);
}

BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;

   hInst = hInstance; // Store instance handle in our global variable

   hWnd = CreateWindow(szWindowClass, szTitle, WS_POPUP,
      0, 0, 410, 16, NULL, NULL, hInstance, NULL);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message) 
	{
		int		wmId, wmEvent;
		case WM_COMMAND:
			wmId = LOWORD(wParam);
			wmEvent = HIWORD(wParam);
			switch (wmId)
			{
				default:
				   return DefWindowProc(hWnd, message, wParam, lParam);
			}
			break;
		
		case WM_KEYDOWN:
			{
				TCHAR	szText[100];
				HDC		hdc;
				sprintf(szText, "WM_KEYDOWN = %d VirtKey = %08x lParam = %08x", WM_KEYDOWN, wParam, lParam);
				hdc = GetDC(hWnd);
				SetTextColor(hdc, 0x0000ff);
				TextOut(hdc, 0, 0, szText, strlen(szText));
				DeleteDC(hdc);
			}
			break;
		
		case WM_DESTROY:
			PostQuitMessage(0);
			break;

		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}