FontTypeConverter.CanConvertFrom(ITypeDescriptorContext, Type) 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 indicates whether this converter can convert an instance of a specified type to a GlyphRun.
public:
override bool CanConvertFrom(System::ComponentModel::ITypeDescriptorContext ^ context, Type ^ sourceType);
public override bool CanConvertFrom (System.ComponentModel.ITypeDescriptorContext context, Type sourceType);
override this.CanConvertFrom : System.ComponentModel.ITypeDescriptorContext * Type -> bool
Public Overrides Function CanConvertFrom (context As ITypeDescriptorContext, sourceType As Type) As Boolean
Parameters
- context
- ITypeDescriptorContext
An object that provides contextual information.
- sourceType
- Type
The type of object to convert.
Returns
true
if objects of the specified type can be converted; otherwise, false
.
Remarks
As implemented in this class, this method returns true
only if sourceType
is Uri.
The context
parameter is not used. See Notes for Inheritors.
Notes to Inheritors
Override this method to provide your own conversion requirements. Use the context
parameter to extract additional information about the environment from which this converter is invoked. This parameter can be null
; therefore, always check it. Also, properties on the context
object can return a null reference (Nothing
).
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