IVsProjectDesignerPageSite::OnPropertyChanging Method (String^, PropertyDescriptor^)
Visual Studio 2015
Raised before a property value is changed.
Assembly: Microsoft.VisualStudio.ManagedInterfaces (in Microsoft.VisualStudio.ManagedInterfaces.dll)
[DispIdAttribute(2)]
void OnPropertyChanging(
String^ propertyName,
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.
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.
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