protected override void DoUpdate(UpdateActionEventArgs e)
{
base.DoUpdate(e);
if (!(e.Handled || (this.FAction == null)))
{
e.State = this.FAction.Update(e.Source, e.Target);
}
}
protected override void DoUpdate(UpdateActionEventArgs e)
{
base.DoUpdate(e);
if (!(e.Handled || (this.OnUpdate == null)))
{
this.OnUpdate(this, e);
e.Handled = true;
}
else
{
e.State = ActionState.Visible | ((this.OnExecute != null) ? ActionState.Enabled : ActionState.None);
}
}
public virtual ActionState Update(object source, object target)
{
if (!base.DesignMode)
{
UpdateActionEventArgs e = new UpdateActionEventArgs(this, source, target);
this.DoUpdate(e);
return e.State;
}
return (ActionState.Visible | ActionState.Enabled);
}
protected virtual void DoUpdate(UpdateActionEventArgs e)
{
if (this.Owner != null)
{
this.Owner.RaisePreviewUpdateAction(e);
}
}
protected override void DoUpdate(UpdateActionEventArgs e)
{
base.DoUpdate(e);
if (!e.Handled)
{
e.State = ActionState.Visible;
TextBox target = e.Target as TextBox;
if (target != null)
{
if (target.SelectionLength > 0)
{
e.State |= ActionState.Enabled;
}
e.Handled = true;
}
else
{
ComboBox box2 = e.Target as ComboBox;
if ((box2 != null) && (box2.DropDownStyle != ComboBoxStyle.DropDownList))
{
if (box2.SelectionLength > 0)
{
e.State |= ActionState.Enabled;
}
e.Handled = true;
}
}
}
}
protected override void DoUpdate(UpdateActionEventArgs e)
{
base.DoUpdate(e);
if (!e.Handled)
{
e.State = ActionState.Visible;
ComboBox target = e.Target as ComboBox;
if ((e.Target is TextBox) || ((target != null) && (target.DropDownStyle != ComboBoxStyle.DropDownList)))
{
try
{
if (Clipboard.ContainsText())
{
e.State |= ActionState.Enabled;
}
}
catch
{
}
e.Handled = true;
}
}
}
