/// <summary>
/// Invokes an action in the GUI thread after the provided time span
/// </summary>
/// <returns>
/// A timer object
/// </returns>
/// <param name='action'>
/// The action to execute.
/// </param>
/// <remarks>
/// This method schedules the execution of the provided function. The function
/// must return 'true' if it has to be executed again after the time span, or 'false'
/// if the timer can be discarded.
/// The execution of the funciton can be canceled by disposing the returned object.
/// </remarks>
public static IDisposable TimeoutInvoke(TimeSpan timeSpan, Func <bool> action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
if (timeSpan.Ticks < 0)
{
throw new ArgumentException("timeSpan can't be negative");
}
Timer t = new Timer();
t.Id = engine.TimerInvoke(delegate {
bool res = false;
try {
toolkit.EnterUserCode();
res = action();
toolkit.ExitUserCode(null);
} catch (Exception ex) {
toolkit.ExitUserCode(ex);
}
return(res);
}, timeSpan);
return(t);
}
/// <summary>
/// Invokes an action in the GUI thread after the provided time span
/// </summary>
/// <returns>
/// A timer object
/// </returns>
/// <param name='action'>
/// The action to execute.
/// </param>
/// <remarks>
/// This method schedules the execution of the provided function. The function
/// must return 'true' if it has to be executed again after the time span, or 'false'
/// if the timer can be discarded.
/// The execution of the funciton can be canceled by disposing the returned object.
/// </remarks>
public static IDisposable TimeoutInvoke(TimeSpan timeSpan, Func <bool> action)
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
if (timeSpan.Ticks < 0)
{
throw new ArgumentException("timeSpan can't be negative");
}
// Capture the current toolkit. It will be used in the invocation
var targetToolkit = Toolkit.CurrentEngine;
Timer t = new Timer();
t.Id = engine.TimerInvoke(delegate {
return(targetToolkit.Invoke(action));
}, timeSpan);
return(t);
}
