L_AnnSetAutoUndoEnable

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#include "l_bitmap.h"

L_LTANN_API L_INT 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.

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

Win32, x64.

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.