XamlType.LookupMarkupExtensionReturnType Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Returns a value that provides the type information for the returned ProvideValue
of this XamlType, if it represents a markup extension.
protected:
virtual System::Xaml::XamlType ^ LookupMarkupExtensionReturnType();
protected virtual System.Xaml.XamlType LookupMarkupExtensionReturnType ();
abstract member LookupMarkupExtensionReturnType : unit -> System.Xaml.XamlType
override this.LookupMarkupExtensionReturnType : unit -> System.Xaml.XamlType
Protected Overridable Function LookupMarkupExtensionReturnType () As XamlType
Returns
A XamlType object for the return type for markup extension usage; otherwise, null
, if this XamlType does not represent a markup extension.
Remarks
This method can be invoked by calls to MarkupExtensionReturnType.
The default implementation returns a XamlType on the basis of reading MarkupExtensionReturnTypeAttribute. It can also check BaseType for the attribute if no attribute is found on the immediate underlying type. If a value is not available, it returns null
.
Override this method if you want MarkupExtensionReturnType to use different logic.
Applies to
意見反應
https://aka.ms/ContentUserFeedback。
即將登場:在 2024 年,我們將逐步淘汰 GitHub 問題作為內容的意見反應機制,並將它取代為新的意見反應系統。 如需詳細資訊,請參閱:提交並檢視相關的意見反應