ModelingDocStore.CreateUndoUnit Method

Creates an instance of the UndoUnit class, which enables transactions to be undone in the store.

Namespace:  Microsoft.VisualStudio.Modeling.Shell
Assembly:  Microsoft.VisualStudio.Modeling.Sdk.Shell.10.0 (in Microsoft.VisualStudio.Modeling.Sdk.Shell.10.0.dll)

Syntax

'Declaration
Protected Overridable Function CreateUndoUnit ( _
    undoableTransaction As TransactionItem _
) As UndoUnit

protected virtual UndoUnit CreateUndoUnit(
    TransactionItem undoableTransaction
)

protected:
virtual UndoUnit^ CreateUndoUnit(
    TransactionItem^ undoableTransaction
)

abstract CreateUndoUnit : 
        undoableTransaction:TransactionItem -> UndoUnit 
override CreateUndoUnit : 
        undoableTransaction:TransactionItem -> UndoUnit 

protected function CreateUndoUnit(
    undoableTransaction : TransactionItem
) : UndoUnit

Parameters

• undoableTransaction
  Type: Microsoft.VisualStudio.Modeling.TransactionItem
  The transaction to be undone.

Return Value

Type: Microsoft.VisualStudio.Modeling.Shell.UndoUnit
The UndoUnit for the store.

Remarks

The UndoUnit is a wrapper for modeling transactions. After a modeling transaction is wrapped, the shell's IOleUndoManager interface can use it.

.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

ModelingDocStore Class

Microsoft.VisualStudio.Modeling.Shell Namespace