L_AnnGetUndoDepth

#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnGetUndoDepth(hObject, puUsedLevels, puMaxLevels)

HANNOBJECT hObject;

handle to the automation object

L_UINT *puUsedLevels;

address of a variable to be updated

L_UINT *puMaxLevels;

address of a variable to be updated

Retrieves the number of user actions that can be reversed using the L_AnnUndo function.

Parameter

Description

hObject

Handle to the automation object.

puUsedLevels

Address of a variable to be updated with the number or user actions that can be reversed using L_AnnUndo. This number will be between 0 and the number retrieved in puMaxLevels.

puMaxLevels

Address of a variable to be updated with the maximum number of user actions that can be undone using L_AnnUndo. This is the value that was set using L_AnnSetUndoDepth.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

If puUsedLevels is updated with a value of 0, no user actions can be undone using the L_AnnUndo function.

Required DLLs and Libraries

LTANN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

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