1windows_Mouse

// WIN_PAINT_MESSAGE.cpp : 定义应用程序的入口点。
//

#include "stdafx.h"
#include "windows_Mouse.h"
#include <iostream>

HINSTANCE g_hInst = NULL;
HANDLE g_hStdout = NULL;
CHAR szText[256] = { 0 };
//第二步，窗口处理函数
void OnPaint(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
	PAINTSTRUCT ps = { 0 };
	HDC hDC = BeginPaint(hWnd, &ps);

	TextOut(hDC, LOWORD(lParam)+100, HIWORD(lParam)+100, "oooooooooooooooooo", strlen("oooooooooooooooooo"));

	EndPaint(hWnd, &ps);
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
	switch (nMsg)
	{
	case WM_PAINT:
		OnPaint(hWnd, nMsg, wParam, lParam);
		break;
	case WM_MOUSEMOVE:
		sprintf_s(szText, 256, "WM_MOUSEMOVE:X=%d, Y=%d\n",LOWORD(lParam),HIWORD(lParam));
		WriteConsole(g_hStdout, szText, strlen(szText), NULL, NULL);
		PostMessage(hWnd, WM_PAINT, wParam, lParam);
		InvalidateRect(hWnd, NULL, TRUE);
		break;
	case WM_DESTROY:
		sprintf_s(szText, 256, "bug post quit!\n");
		WriteConsole(g_hStdout, szText, strlen(szText), NULL, NULL);
		PostQuitMessage(0);
		break;
	}
	return DefWindowProc(hWnd, nMsg, wParam, lParam);
}

//第三步，注册窗口
BOOL RegisterWnd(LPSTR pszClassName)
{
	WNDCLASSEX wce = { 0 };
	wce.cbSize = sizeof(wce);
	wce.cbClsExtra = 0;
	wce.cbWndExtra = 0;
	wce.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
	wce.hCursor = NULL;
	wce.hIcon = NULL;
	wce.hIconSm = NULL;
	wce.hInstance = g_hInst;
	wce.lpfnWndProc = WndProc;
	wce.lpszClassName = pszClassName;
	wce.style = CS_HREDRAW|CS_VREDRAW;

	ATOM aTom = RegisterClassEx(&wce);
	if (aTom == 0)
	{
		return FALSE;
	}
	else
	{
		return TRUE;
	}
}

//第四步，创建窗口
HWND CreateWnd(LPSTR pszClassName)
{
	HWND hWnd = CreateWindowEx(0, pszClassName, "清风明月", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, g_hInst, NULL);
	return hWnd;
}

//第五步，显示窗口
void ShowWnd(HWND hWnd)
{
	ShowWindow(hWnd, SW_SHOW);
	UpdateWindow(hWnd);
}

//第六步，消息循环
void Msg()
{
	MSG msg = { 0 };
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
}

void ConsoloWnd()
{
	AllocConsole();
	g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
	CHAR szText[] = "Debug start:\n";
	WriteConsole(g_hStdout, szText, strlen(szText), NULL, NULL);
}

//第一步，入口函数
int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd)
{
	g_hInst = hInstance;
	ConsoloWnd();
	RegisterWnd("oooo");
	HWND hWnd = CreateWnd("oooo");
	ShowWnd(hWnd);
	Msg();

	return 0;
}

来自为知笔记(Wiz)