OnItemChanged Method
This method is called on a context item before it is stored in the context item manager. The previous item in the context item manager is passed.
Namespace: Microsoft.Data.Tools.Design.Core.Context
Assembly: Microsoft.Data.Tools.Design.Core (in Microsoft.Data.Tools.Design.Core.dll)
Syntax
'Declaration
Protected Overridable Sub OnItemChanged ( _
context As EditingContext, _
previousItem As ContextItem _
)
'Usage
Dim context As EditingContext
Dim previousItem As ContextItem
Me.OnItemChanged(context, previousItem)
protected virtual void OnItemChanged(
EditingContext context,
ContextItem previousItem
)
protected:
virtual void OnItemChanged(
EditingContext^ context,
ContextItem^ previousItem
)
abstract OnItemChanged :
context:EditingContext *
previousItem:ContextItem -> unit
override OnItemChanged :
context:EditingContext *
previousItem:ContextItem -> unit
protected function OnItemChanged(
context : EditingContext,
previousItem : ContextItem
)
Parameters
- context
Type: Microsoft.Data.Tools.Design.Core.Context..::..EditingContext
The editing context that is making this change.
- previousItem
Type: Microsoft.Data.Tools.Design.Core.Context..::..ContextItem
The previously active item in the context. Because items must have default constructors a default item will be fabricated if an item is first passed into the context.