无窗口定时器使用

最新推荐文章于 2023-03-07 16:29:39 发布

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最新推荐文章于 2023-03-07 16:29:39 发布

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分类专栏：技术心得文章标签： timer callback null include

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#include "stdafx.h"

#define IDT_TIMER1 100

void CALLBACK TimerProc ( HWND hwnd, UINT message, UINT iTimerID, DWORD dwTime);
BOOL bContinue = TRUE;

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
   // TODO: Place code here.
SetTimer(NULL,IDT_TIMER1,1000,TimerProc);

MSG msg;
while (1) 
{
   GetMessage(&msg, NULL, 0, 0);
   DispatchMessage(&msg); 
} 
return 0;
}

//处理WM_TIMER讯息 
void CALLBACK TimerProc ( HWND hwnd, UINT message, UINT iTimerID, DWORD dwTime)
{
   MessageBox(NULL,"Timer 0",NULL,MB_OK);
   KillTimer(NULL,IDT_TIMER1);
}