internal override UIElement GetDefaultTemplate()
{
ContentControl templateOwner = TemplateOwner as ContentControl;
if (templateOwner != null)
{
if (DependencyProperty.UnsetValue == ReadLocalValue(ContentPresenter.ContentProperty))
{
SetTemplateBinding(ContentPresenter.ContentProperty,
new TemplateBindingExpression {
SourceProperty = ContentControl.ContentProperty,
TargetProperty = ContentPresenter.ContentProperty
});
}
if (DependencyProperty.UnsetValue == ReadLocalValue(ContentPresenter.ContentTemplateProperty))
{
SetTemplateBinding(ContentPresenter.ContentTemplateProperty,
new TemplateBindingExpression {
SourceProperty = ContentControl.ContentTemplateProperty,
TargetProperty = ContentPresenter.ContentTemplateProperty
});
}
}
// Expand the ContentTemplate if it exists
DataTemplate template = ContentTemplate;
if (template != null)
{
_contentRoot = template.GetVisualTree(this) as UIElement;
}
else
{
var content = Content;
_contentRoot = content as UIElement;
if (_contentRoot == null && content != null)
{
_contentRoot = FallbackRoot;
}
}
return(_contentRoot);
}
