2windows_timer

// 2Window_Timer.cpp : 定义应用程序的入口点。
//
#include "stdafx.h"
#include "2Window_Timer.h"
#include <iostream>
HINSTANCE g_hInst;
HANDLE g_hStdout = NULL;
//宏定义输入函数
#define PrintLog(x) WriteConsole(g_hStdout, x, strlen(x), NULL, NULL);
void CALLBACK TimerProc( //定时器回调函数
	HWND hwnd, //窗口句柄
	UINT uMsg, //WM_TIMER消息ID
	UINT idEvent,  //定时器ID
	DWORD dwTime  //当前系统时间
	){
	CHAR szText[256];
	sprintf_s(szText, 256, "ID为%d调用系统时间%ld\n", idEvent,dwTime);
	//PrintLog(szText);
}
void OnTimer(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam) //定时器触发函数
{
	CHAR szText[256];
	sprintf_s(szText, 256, "编号ID为：%d的定时器被触发\n", wParam);
	PrintLog(szText);
}
void OnCreate(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
	PrintLog("SetTimer Begin:\n");
	SetTimer(hWnd, 1000, 3 * 1000, NULL); //设置一个定时器
	SetTimer(hWnd, 1001, 5 * 1000, NULL);
	//使用TimerProc处理多线程
	//如果不设置，则不会调用默认的WM_TIMER消息
	SetTimer(NULL, 0, 2 * 1000, TimerProc); //如果第一个参数为空时，则必须给出第四个参数，也就是回调函数
	SetTimer(NULL, 0, 3 * 1000, TimerProc); //因为第一参数和第四参数同时为空，所以不执行
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
	switch (nMsg)
	{
	case WM_CREATE: //创建时的消息
		OnCreate(hWnd, nMsg, wParam, lParam);
		break;
	case WM_TIMER: //定时器
		OnTimer(hWnd, nMsg, wParam, lParam); 
		switch (wParam) //这个switch只有放到WM_TIMER消息里面才会起作用
		{
		case 1000:
			PrintLog("1000定时器极招灭杀\n");
			break;
		case 1001:
			PrintLog("1001定时器极招黑天\n");
			break;
		}
		PrintLog("定时器极招黑天\n");
		break;
	case WM_DESTROY: //窗口销毁
		KillTimer(hWnd, 1000);
		PostQuitMessage(0);
		break;
	}
	return DefWindowProc(hWnd, nMsg, wParam, lParam);
}
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.lpszMenuName = NULL;
	wce.style = CS_VREDRAW | CS_HREDRAW;
	ATOM aTom = RegisterClassEx(&wce);
	if (aTom == 0)
	{
		return FALSE;
	}
	else
	{
		return TRUE;
	}
}
HWND CreateWnd(LPSTR pszClassName)
{
	HWND hWnd = CreateWindowEx(0, pszClassName, "ttttt", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
		NULL, NULL, g_hInst, NULL);
	return hWnd;
}
void showWnd(HWND hWnd)
{
	ShowWindow(hWnd, SW_SHOW);
	UpdateWindow(hWnd);
}
void msg()
{
	MSG msg = { 0 };
	while (GetMessage(&msg,NULL,0,0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
}
//控制台
void ConsoleWnd()
{
	AllocConsole();
	g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
	CHAR szText[] = "Debug start:\n";
	PrintLog(szText);
}
int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd)
{
	g_hInst = hInstance;
	ConsoleWnd();
	RegisterWnd("OOOO");
	HWND hWnd = CreateWnd("OOOO");
	showWnd(hWnd);
	msg();
	return 0;
}