IVsProjectDesignerPageSite.OnPropertyChanging Method

Raised before a property value is changed.

Namespace:  Microsoft.VisualStudio.ManagedInterfaces.ProjectDesigner
Assembly:  Microsoft.VisualStudio.ManagedInterfaces (in Microsoft.VisualStudio.ManagedInterfaces.dll)

Syntax

'Declaration
Sub OnPropertyChanging ( _
    propertyName As String, _
    propertyDescriptor As PropertyDescriptor _
)

void OnPropertyChanging(
    string propertyName,
    PropertyDescriptor propertyDescriptor
)

void OnPropertyChanging(
    String^ propertyName, 
    PropertyDescriptor^ propertyDescriptor
)

abstract OnPropertyChanging : 
        propertyName:string * 
        propertyDescriptor:PropertyDescriptor -> unit

function OnPropertyChanging(
    propertyName : String, 
    propertyDescriptor : PropertyDescriptor
)

Parameters

• propertyName
  Type: System.String

  The name of the property to be changed.

• propertyDescriptor
  Type: System.ComponentModel.PropertyDescriptor

  A PropertyDescriptor that applies to the property.

Remarks

If a property page hosted by the Project Designer wants to support automatic Undo/Redo, it must call this method before a property value is changed. This allows the site to query for the current value of the property and save it for later use in handling Undo/Redo.

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

IVsProjectDesignerPageSite Interface

Microsoft.VisualStudio.ManagedInterfaces.ProjectDesigner Namespace