SourceChangedEventArgs.OldSource 属性

定义

命名空间:

System.Windows

程序集:

PresentationCore.dll

获取此源更改中涉及的旧源。

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

public System.Windows.PresentationSource OldSource { [System.Security.SecurityCritical] get; }

public System.Windows.PresentationSource OldSource { get; }

[<get: System.Security.SecurityCritical>]
member this.OldSource : System.Windows.PresentationSource

member this.OldSource : System.Windows.PresentationSource

Public ReadOnly Property OldSource As PresentationSource

属性值

PresentationSource

旧的 PresentationSource。

属性

SecurityCriticalAttribute