/// <summary>
/// Start a timer instance
/// </summary>
internal void StartTimer(HiResTimerCallback callback)
{
lock (this)
{
// Kill timer.
if (_TimerId > 0)
{
var unused = NativeMethods.timeKillEvent(_TimerId);
_TimerId = 0;
}
// Must create callback or timer will crash.
_callback = new HiResTimerCallback(callback);
//Set the timer type flags
var f = fuEvent.TIME_CALLBACK_FUNCTION | (AutoReset ? fuEvent.TIME_PERIODIC : fuEvent.TIME_ONESHOT);
_TimerId = NativeMethods.timeSetEvent((uint)Interval, 0, _callback, UIntPtr.Zero, (uint)f);
if (_TimerId == 0)
{
var ex = new Win32Exception(Marshal.GetLastWin32Error());
throw new Exception(ex.Message);
}
}
}
internal static extern uint timeSetEvent(uint uDelay, uint uResolution, HiResTimerCallback lpTimeProc, UIntPtr dwUser, uint fuEvent);
