/// <summary>
/// Starts the timer.
/// </summary>
/// <param name="callback">A function to be called when the timer is signaled.</param>
/// <param name="dueTime">The time at which the timer will be signaled.</param>
/// <param name="period">The interval to use for periodic signaling, in milliseconds.</param>
/// <param name="context">A value to pass to the callback function.</param>
public void Set(TimerCallback callback, DateTime dueTime, int period, IntPtr context)
{
TimerApcRoutine apcRoutine = (context_, lowPart, highPart) => callback(context_);
this.Handle.Set(
dueTime.ToFileTime(),
false,
callback != null ? apcRoutine : null,
context,
period
);
}
/// <summary>
/// Starts the timer.
/// </summary>
/// <param name="callback">A function to be called when the timer is signaled.</param>
/// <param name="dueTime">The due time, in milliseconds.</param>
/// <param name="period">The interval to use for periodic signaling, in milliseconds.</param>
/// <param name="context">A value to pass to the callback function.</param>
public void Set(TimerCallback callback, int dueTime, int period, IntPtr context)
{
TimerApcRoutine apcRoutine = (context_, lowPart, highPart) => callback(context_);
this.Handle.Set(
dueTime * Win32.TimeMsTo100Ns,
true,
callback != null ? apcRoutine : null,
context,
period
);
}
/// <summary>
/// Sets the timer.
/// </summary>
/// <param name="dueTime">A due time, in 100ns units.</param>
/// <param name="relative">Whether the due time is relative.</param>
/// <param name="routine">A routine to call when the timer is signaled.</param>
/// <param name="context">A value to pass to the timer callback routine.</param>
/// <param name="resume">
/// Whether the power manager should restore the system when the timer is signaled.
/// </param>
/// <param name="period">
/// The time interval for periodic signaling of the timer, in milliseconds.
/// Specify 0 for no periodic signaling.
/// </param>
/// <returns>The state of the timer (whether it is signaled).</returns>
public bool Set(long dueTime, bool relative, TimerApcRoutine routine, IntPtr context, bool resume, int period)
{
long realDueTime = relative ? -dueTime : dueTime;
bool previousState;
// Keep the APC routine alive.
Win32.NtSetTimer(
this,
ref realDueTime,
routine,
context,
resume,
period,
out previousState
).ThrowIf();
return(previousState);
}
/// <summary>
/// Sets the timer.
/// </summary>
/// <param name="dueTime">A due time, in 100ns units.</param>
/// <param name="relative">Whether the due time is relative.</param>
/// <param name="routine">A routine to call when the timer is signaled.</param>
/// <param name="context">A value to pass to the timer callback routine.</param>
/// <param name="resume">
/// Whether the power manager should restore the system when the timer is signaled.
/// </param>
/// <param name="period">
/// The time interval for periodic signaling of the timer, in milliseconds.
/// Specify 0 for no periodic signaling.
/// </param>
/// <returns>The state of the timer (whether it is signaled).</returns>
public bool Set(long dueTime, bool relative, TimerApcRoutine routine, IntPtr context, bool resume, int period)
{
NtStatus status;
long realDueTime = relative ? -dueTime : dueTime;
bool previousState;
// Keep the APC routine alive.
_routine = routine;
if ((status = Win32.NtSetTimer(
this,
ref realDueTime,
routine,
context,
resume,
period,
out previousState
)) >= NtStatus.Error)
{
Win32.Throw(status);
}
return(previousState);
}
/// <summary>
/// Sets the timer.
/// </summary>
/// <param name="dueTime">A due time, in 100ns units.</param>
/// <param name="relative">Whether the due time is relative.</param>
/// <param name="routine">A routine to call when the timer is signaled.</param>
/// <param name="context">A value to pass to the timer callback routine.</param>
/// <param name="period">
/// The time interval for periodic signaling of the timer, in milliseconds.
/// Specify 0 for no periodic signaling.
/// </param>
/// <returns>The state of the timer (whether it is signaled).</returns>
public bool Set(long dueTime, bool relative, TimerApcRoutine routine, IntPtr context, int period)
{
return(this.Set(dueTime, relative, routine, context, false, period));
}
/// <summary>
/// Sets the timer.
/// </summary>
/// <param name="dueTime">A relative due time, in 100ns units.</param>
/// <param name="routine">A routine to call when the timer is signaled.</param>
/// <param name="period">
/// The time interval for periodic signaling of the timer, in milliseconds.
/// Specify 0 for no periodic signaling.
/// </param>
/// <returns>The state of the timer (whether it is signaled).</returns>
public bool Set(long dueTime, TimerApcRoutine routine, int period)
{
return(this.Set(dueTime, true, routine, IntPtr.Zero, period));
}
