/// <summary>Invoked when the <see cref="P:System.Windows.Controls.ContentPresenter.ContentTemplateSelector" /> property changes. </summary>
/// <param name="oldContentTemplateSelector">The old value of the <see cref="P:System.Windows.Controls.ContentPresenter.ContentTemplateSelector" /> property.</param>
/// <param name="newContentTemplateSelector">The new value of the <see cref="P:System.Windows.Controls.ContentPresenter.ContentTemplateSelector" /> property.</param>
protected virtual void OnContentTemplateSelectorChanged(DataTemplateSelector oldContentTemplateSelector, DataTemplateSelector newContentTemplateSelector)
{
////Helper.CheckTemplateAndTemplateSelector("Content", ContentPresenter.ContentTemplateProperty, ContentPresenter.ContentTemplateSelectorProperty, this);
this.Template = null;
}
/// <summary>
/// Invoked when the <see cref="ContentTemplateSelector" /> property changes.
/// </summary>
/// <param name="oldContentTemplateSelector">The old value of the <see cref="ContentTemplateSelector" /> property.</param>
/// <param name="newContentTemplateSelector">The new value of the <see cref="ContentTemplateSelector" /> property.</param>
protected virtual void OnContentTemplateSelectorChanged(DataTemplateSelector oldContentTemplateSelector, DataTemplateSelector newContentTemplateSelector)
{
this.Template = null;
}
internal void PrepareContentPresenter(object item, DataTemplate itemTemplate, DataTemplateSelector itemTemplateSelector, string stringFormat)
{
if (item != this)
{
if (this.contentIsItem || !this.HasNonDefaultValue(ContentPresenter.ContentProperty))
{
this.Content = item;
this.contentIsItem = true;
}
if (itemTemplate != null)
{
this.SetValue(ContentPresenter.ContentTemplateProperty, itemTemplate);
}
if (itemTemplateSelector != null)
{
this.SetValue(ContentPresenter.ContentTemplateSelectorProperty, itemTemplateSelector);
}
if (stringFormat != null)
{
this.SetValue(ContentPresenter.ContentStringFormatProperty, stringFormat);
}
}
}
