using System; using System.Runtime.InteropServices; using Microsoft.Win32.SafeHandles; using System.Threading; using System.ComponentModel;namespace ConsoleApplication1 { class Program { [DllImport("kernel32.dll")] public static extern SafeWaitHandle CreateWaitableTimer(IntPtr lpTimerAttributes, bool bManualReset, string lpTimerName); [DllImport("kernel32.dll", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool SetWaitableTimer(SafeWaitHandle hTimer, [In] ref long pDueTime, int lPeriod, IntPtr pfnCompletionRoutine, IntPtr lpArgToCompletionRoutine, bool fResume); static void Main(string[] args) { SetWaitForWakeUpTime(); } static void SetWaitForWakeUpTime() { DateTime utc = DateTime.Now.AddMinutes(1); long duetime = utc.ToFileTime(); using (SafeWaitHandle handle = CreateWaitableTimer(IntPtr.Zero, true, "MyWaitabletimer")) { if (SetWaitableTimer(handle, ref duetime, 0, IntPtr.Zero, IntPtr.Zero, true)) { using (EventWaitHandle wh = new EventWaitHandle(false, EventResetMode.AutoReset)) { wh.SafeWaitHandle = handle; wh.WaitOne(); } } else { throw new Win32Exception(Marshal.GetLastWin32Error()); } } // You could make it a recursive call here, setting it to 1 hours time or similar Console.WriteLine("Wake up call"); Console.ReadLine(); } } }
就是楼主要的~,DateTime utc = DateTime.Now.AddMinutes(1); 这里加的时间就是wake up 回调的延时
using System.Runtime.InteropServices;
using Microsoft.Win32.SafeHandles;
using System.Threading;
using System.ComponentModel;namespace ConsoleApplication1 {
class Program {
[DllImport("kernel32.dll")]
public static extern SafeWaitHandle CreateWaitableTimer(IntPtr lpTimerAttributes, bool bManualReset, string lpTimerName); [DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetWaitableTimer(SafeWaitHandle hTimer, [In] ref long pDueTime, int lPeriod, IntPtr pfnCompletionRoutine, IntPtr lpArgToCompletionRoutine, bool fResume); static void Main(string[] args) {
SetWaitForWakeUpTime();
} static void SetWaitForWakeUpTime() {
DateTime utc = DateTime.Now.AddMinutes(1);
long duetime = utc.ToFileTime(); using (SafeWaitHandle handle = CreateWaitableTimer(IntPtr.Zero, true, "MyWaitabletimer")) {
if (SetWaitableTimer(handle, ref duetime, 0, IntPtr.Zero, IntPtr.Zero, true)) {
using (EventWaitHandle wh = new EventWaitHandle(false, EventResetMode.AutoReset)) {
wh.SafeWaitHandle = handle;
wh.WaitOne();
}
} else {
throw new Win32Exception(Marshal.GetLastWin32Error());
}
} // You could make it a recursive call here, setting it to 1 hours time or similar
Console.WriteLine("Wake up call");
Console.ReadLine();
}
}
}
就是楼主要的~,DateTime utc = DateTime.Now.AddMinutes(1);
这里加的时间就是wake up 回调的延时