//protected virtual void ResetChanged()
//{
// lock (this)
// {
// if (this.AfterChanged != null)
// {
// Delegate[] invocationList = this.AfterChanged.GetInvocationList();
// if (invocationList != null)
// {
// foreach (Delegate subscriber in invocationList)
// {
// this.AfterChanged -= (EventHandler<ObjectEventArgs>)subscriber;
// }
// }
// }
// }
//}
/// <summary>
/// Raises the BeforeChanged event. The event will be cancelled if any exceptions are caught while raising the event.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">The EventArgs for the event.</param>
protected virtual void OnBeforeChanged(object sender, ObjectCancelEventArgs e)
{
try
{
// required for thread affinity
EventHandler <ObjectCancelEventArgs> handler = this.BeforeChanged;
if (handler != null)
{
handler(sender, e);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
// capture the exception and cancel the change here
e.Cancel = true;
}
}
//protected virtual void ResetChanged()
//{
// lock (this)
// {
// if (this.AfterChanged != null)
// {
// Delegate[] invocationList = this.AfterChanged.GetInvocationList();
// if (invocationList != null)
// {
// foreach (Delegate subscriber in invocationList)
// {
// this.AfterChanged -= (EventHandler<ObjectEventArgs>)subscriber;
// }
// }
// }
// }
//}
/// <summary>
/// Raises the BeforeChanged event. The event will be cancelled if any exceptions are caught while raising the event.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">The EventArgs for the event.</param>
protected virtual void OnBeforeChanged(object sender, ObjectCancelEventArgs e)
{
try
{
// required for thread affinity
EventHandler<ObjectCancelEventArgs> handler = this.BeforeChanged;
if (handler != null)
{
handler(sender, e);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
// capture the exception and cancel the change here
e.Cancel = true;
}
}