XamlDirective.LookupIsUnknown Method
Definition
Important
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Returns whether this XamlDirective represents a member that is not resolvable by the backing system that is used for type and member resolution.
protected:
override bool LookupIsUnknown();
protected override sealed bool LookupIsUnknown ();
override this.LookupIsUnknown : unit -> bool
Protected Overrides NotOverridable Function LookupIsUnknown () As Boolean
Returns
true
if this XamlDirective represents a non-resolvable member; otherwise, false
.
Remarks
The XamlDirective implementation only calls base and does nothing more. The base implementation returns the results in this order: the results are based on internal reflection; or the results are based on checking for a null value of the UnderlyingMember. The XamlDirective implementation seals this virtual member; therefore, all XamlDirective types and all predefined XAML directives must use this behavior.
Applies to
.NET
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