private void SetBinding()
{
if (string.IsNullOrEmpty(this.EventName) || this.AssociatedObject == null)
{
return;
}
this.eventHandler?.Dispose();
this.eventHandler = new DynamicEventHandler(this.AssociatedObject, this.EventName, (sender, args) =>
{
if (this.ArgumentConverter == null && this.Command != null && this.Command.CanExecute(args))
{
this.Command.Execute(args);
}
else
{
var targetType = this.Command.GetType().GetGenericArguments()[0];
var convertedArg = this.ArgumentConverter.Convert(args, targetType, null, null);
if (this.Command != null && this.Command.CanExecute(convertedArg))
{
this.Command.Execute(convertedArg);
}
}
});
}
private void SetEventHandler()
{
if (string.IsNullOrEmpty(this.EventName) || this.AssociatedObject == null)
{
return;
}
this.eventHandler?.Dispose();
this.eventHandler = new DynamicEventHandler(this.AssociatedObject, this.EventName, (sender, args) =>
{
foreach (var item in this.Actions)
{
item.Invoke(args);
}
});
}
/// <summary>
/// Occures when the behavior is attached to the object
/// </summary>
protected override void OnAttach()
{
this.AssociatedObject.AllowsColumnReorder = true;
this.InheritanceContext = this.AssociatedObject.GetInheritanceContext(); // Getting Inheritance Context via Reflection is a HACK ... And will not work on native code
if (this.InheritanceContext == null)
{
this.inheritanceContextChangedHandler = new DynamicEventHandler(this.AssociatedObject, "InheritanceContextChanged", (s, e) =>
{
this.InheritanceContext = this.AssociatedObject.GetInheritanceContext();
this.inheritanceContextChangedHandler?.Dispose();
});
}
// We have to be aware of application exit... The unload event of the controls does not
// occure on application exit
Application.Current.Exit += Current_Exit;
Application.Current.SessionEnding += Current_SessionEnding;
}
