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Operation stack of control or application used for undo/redo operation. Return NULL if control or application does not have its own operation stack.
[Visual Basic .NET] Public ReadOnly Property OperationStack As IOperationStack
[C#] public IOperationStack OperationStack {get;}
[C++]
HRESULT get_OperationStack(
IOperationStack** ppOperationStack
);
[C++]
Parameters ppOperationStack [out, retval]
ppOperationStack is a parameter of type IOperationStack**
The IOperationStack object used by the custom control or application.
The HookHelper is often used in custom commands and the IHookHelper::OperationStack can return the IOperationStack of the hook by using this property. If the command has been added to a ToolbarControl the property will always return the IToolbarControl::OperationStack.