IOperationHistory::Undo Method
From PDF XChange PDF SDK
The method of interface of PDF-XChange Editor SDK.
Syntax
HRESULT Undo([in, defaultvalue(1)] ULONG nCount, [in, defaultvalue(0)] LONG nFlags);
Parameters
- nCount
- [in, defaultvalue(1)] Value of ULONG.
- nFlags
- [in, defaultvalue(0)] Value of LONG.
Return Value
Returns S_OK if operation was successful or error code in other cases.