Ejemplo n.º 1
0
        public override void OnApplyTemplate()
        {
            base.OnApplyTemplate();

            ToggleButton dropDownButton = Template.FindName("PART_DropDownButton", this) as ToggleButton;

            popup = Template.FindName("PART_Popup", this) as Popup;

            if (!IsEditable)
            {
                this.IsReadOnly = true;
            }

            DropDownContent.SetValue(TextBoxBase.IsReadOnlyProperty, false);

            popup.Opened += (s, e) =>
            {
                DropDownContent.Focus();
            };

            popup.RequestBringIntoView += new RequestBringIntoViewEventHandler(popup_RequestBringIntoView);

            if (dropDownButton != null)
            {
                dropDownButton.Click += (s, e) =>
                {
                    e.Handled = true;
                    RaiseEvent(new RoutedEventArgs(DialogButtonClickEvent, this));
                };
            }

            Thumb thumb = Template.FindName("PART_ResizeGrip", this) as Thumb;

            if (thumb != null)
            {
                thumb.DragDelta += DragDeltaEventHandler;
            }

            dropDownContentHost = Template.FindName("PART_DropDownContentHost", this) as ContentPresenter;

            if (dropDownContentHost != null)
            {
                dropDownContentHost.Content = DropDownContent;
            }
        }