protected override void OnApplyTemplate()
{
var popupRadius = (CornerRadius)ResourceAccessor.ResourceLookup(this, c_overlayCornerRadiusKey);
var tabView = SharedHelpers.GetAncestorOfType <TabView>(VisualTreeHelper.GetParent(this));
var internalTabView = tabView ?? null;
Button GetCloseButton(TabView internalTabView)
{
var closeButton = (Button)GetTemplateChild("CloseButton");
if (closeButton != null)
{
// Do localization for the close button automation name
if (string.IsNullOrEmpty(AutomationProperties.GetName(closeButton)))
{
var closeButtonName = ResourceAccessor.GetLocalizedStringResource(SR_TabViewCloseButtonName);
AutomationProperties.SetName(closeButton, closeButtonName);
}
if (internalTabView != null)
{
// Setup the tooltip for the close button
var tooltip = new ToolTip();
tooltip.Content = internalTabView.GetTabCloseButtonTooltipText();
ToolTipService.SetToolTip(closeButton, tooltip);
}
closeButton.Click += OnCloseButtonClick;
}
return(closeButton);
}
m_closeButton = GetCloseButton(internalTabView);
OnIconSourceChanged();
if (tabView != null)
{
if (SharedHelpers.IsThemeShadowAvailable())
{
if (internalTabView != null)
{
var shadow = new ThemeShadow();
if (!SharedHelpers.Is21H1OrHigher())
{
if (internalTabView.GetShadowReceiver() is UIElement shadowReceiver)
{
shadow.Receivers.Add(shadowReceiver);
}
}
m_shadow = shadow;
double shadowDepth = (double)SharedHelpers.FindInApplicationResources(TabView.c_tabViewShadowDepthName, TabView.c_tabShadowDepth);
var currentTranslation = Translation;
var translation = new Vector3(currentTranslation.X, currentTranslation.Y, (float)shadowDepth);
Translation = translation;
UpdateShadow();
}
}
tabView.TabDragStarting += OnTabDragStarting;
tabView.TabDragCompleted += OnTabDragCompleted;
}
UpdateCloseButton();
UpdateWidthModeVisualState();
}