public static TWidget AddDrawHandler <TWidget>(this TWidget widget, WidgetEventHandler <Widget> handler)
where TWidget : Widget
{
CheckNotNull(widget);
widget.Behaviors.GetOrAdd <CommonEventsBehavior>().Draw += handler;
return(widget);
}
public static TWidget AddTextChangedHandler <TWidget>(this TWidget widget, WidgetEventHandler <TextField> handler)
where TWidget : TextField
{
CheckNotNull(widget);
widget.TextChanged += handler;
return(widget);
}
public static TWidget AddValueChangedHandler <TWidget>(this TWidget widget, WidgetEventHandler <ScrollBar> handler)
where TWidget : ScrollBar
{
CheckNotNull(widget);
widget.ValueChanged += handler;
return(widget);
}
public static TWidget AddPressedHandler <TWidget>(this TWidget widget, WidgetEventHandler <Button> handler)
where TWidget : Button
{
CheckNotNull(widget);
widget.Pressed += handler;
return(widget);
}
public static TWidget AddCloseButtonPushedHandler <TWidget>(this TWidget widget, WidgetEventHandler <MainWindow> handler)
where TWidget : MainWindow
{
CheckNotNull(widget);
widget.CloseButtonPushed += handler;
return(widget);
}
protected static void Raise <T>(WidgetEventHandler <T> handler, WidgetEvent evt, T e) => EventHelper.InvokeStrict(() => handler, d => ((WidgetEventHandler <T>)d)(evt, e));