/// <summary>
/// A handler for the Idling event.
/// </summary>
/// <remarks>
/// We keep the handler very simple. First we check
/// if we still have the dialog. If not, we unsubscribe from Idling,
/// for we no longer need it and it makes Revit speedier.
/// If we do have the dialog around, we check if it has a request ready
/// and process it accordingly.
/// </remarks>
///
public void IdlingHandler(object sender, IdlingEventArgs args)
{
UIApplication uiapp = sender as UIApplication;
UIDocument uidoc = uiapp.ActiveUIDocument;
if (m_MyForm.IsDisposed)
{
uiapp.Idling -= IdlingHandler;
return;
}
else // dialog still exists
{
// fetch the request from the dialog
RequestId requestId = m_MyForm.Request.Take();
if (requestId != RequestId.None)
{
try
{
// we take the request, if any was made,
// and pass it on to the request executor
RequestHandler.Execute(this, requestId);
}
finally
{
// The dialog may be in its waiting state;
// make sure we wake it up even if we get an exception.
m_MyForm.EnableButtons(IsLighterEnabled(), IsDarkerEnabled());
}
}
}
return;
}
