SourceChangedEventArgs.OldSource 屬性

定義

命名空間:

System.Windows

組件:

PresentationCore.dll

取得這個來源變更所涉及的舊來源。

public:
 property System::Windows::PresentationSource ^ OldSource { System::Windows::PresentationSource ^ get(); };

public System.Windows.PresentationSource OldSource { get; }

member this.OldSource : System.Windows.PresentationSource

Public ReadOnly Property OldSource As PresentationSource

屬性值

PresentationSource

舊的 PresentationSource。