BindingBase.CheckSealed Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Throws an exception if the binding has already been attached to a binding target.
Namespace: System.Windows.Data
Assembly: System.Windows (in System.Windows.dll)
Syntax
'Declaration
Protected Friend Sub CheckSealed
protected internal void CheckSealed()
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | The binding has already been attached to a binding target. |
Remarks
Call this method in the setters of properties that you add to derived classes when the properties should not be modified after binding occurs.
Version Information
Silverlight
Supported in: 5, 4
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.