标签:IntPtr string int WinFrom 倒计时 static 关闭 hwnd iOperCount
标题:WinFrom系统长时间不操作则进行关闭+关闭窗口倒计时
1.首先在界面添加两个timer
2.在窗体运行是开启第一个timer
3.( 0x0202://鼠标左键UP,0x0205://鼠标右键UP,0x0203://鼠标左键双击,case 0x201://鼠标左键Down,case 0x100://键盘按下)
public Form7()
{
InitializeComponent();
MyMessager msg = new MyMessager();
Application.AddMessageFilter(msg);
timer1.Start();
}
static int iOperCount = 0;
static IntPtr hwnd;
static int t;
internal class MyMessager : IMessageFilter
{
public bool PreFilterMessage(ref Message m)
{
//如果检测到有鼠标或则键盘的消息,则使计数为0.....
if (m.Msg == 0x0202 || m.Msg == 0x0205 || m.Msg == 0x0203 || m.Msg == 0x201||
m.Msg == 0x100)
{
iOperCount = 0;
}
return false;
}
}
private void timer1_Tick(object sender, EventArgs e)
{
iOperCount++;
label1.Text = iOperCount.ToString();
if (iOperCount > 120)
{
t = 5;
timer2.Enabled = true;
timer1.Enabled = false;
if (MessageBox.Show("系统关机提示:", "系统将于" + t + "秒后关机", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.Cancel)
{
timer2.Enabled = false;
timer1.Enabled = true;
iOperCount = 0;
label1.Text = "1";
}
else {
Application.Exit();
}
}
}
[DllImport("user32.dll", EntryPoint = "FindWindow")]
private static extern IntPtr FindWindow(string IpClassName, string IpWindowName);
[DllImport("User32.dll", CharSet = CharSet.Auto)]
public static extern int SetWindowText(IntPtr hWnd, string text);
[DllImport("user32.dll", EntryPoint = "FindWindowEx")]
private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
[DllImport("user32.dll", EntryPoint = "SendMessage")]
private static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
const int BM_CLICK = 0xF5;
private void timer2_Tick(object sender, EventArgs e)
{
hwnd = FindWindow(null, "系统将于" + t.ToString() + "秒后关机");
t = t - 1;
SetWindowText(hwnd, "系统将于" + t.ToString() + "秒后关机");
if (t == 0)
{
IntPtr OKHwnd = FindWindowEx(hwnd, IntPtr.Zero, null, "确定");
SendMessage(OKHwnd, BM_CLICK, 0, 0);
timer2.Enabled = false;
}
}
标签:IntPtr,string,int,WinFrom,倒计时,static,关闭,hwnd,iOperCount 来源: https://blog.csdn.net/hanya_yan/article/details/100559812
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