L_AnnSetAutoUndoEnable

#include "l_bitmap.h"

L_INT EXT_FUNCTION L_AnnSetAutoUndoEnable(hObject, bEnable);

HANNOBJECT hObject;

/* handle to the automation object */

L_BOOL bEnable;

/* flag that indicates whether to enable undo */

Enables or disables the undo mechanism for an automation object. This function is available in the Document/Medical Toolkits.

Parameter

Description

hObject

Handle to the automation object.

bEnable

Flag that indicates whether to enable or disable the undo mechanism for the automation object. Possible values are:

 

Value

Meaning

 

TRUE

Enable the undo mechanism for the specified automation object.

 

FALSE

Disable the undo mechanism for the specified automation object.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Use this function along with L_AnnAddUndoNode to combine multiple changes into a single undo call. For more information on this process, refer to L_AnnAddUndoNode.

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

Windows 95 / 98 / Me, Windows 2000 / XP.

See Also

Functions:

L_AnnAddUndoNode, L_AnnGetAutoUndoEnabled, L_AnnGetUndoDepth, L_AnnSetUndoDepth, L_AnnUndo, L_AnnSetAutoHilightPen, L_AnnSetAutoSnapCursor, L_AnnGetAutoSnapCursor

Topics:

Undoing Automation Operations

 

Altering Annotation Object Settings

Example

For an example, refer to L_AnnGetAutoUndoEnable.