L_AnnSetUndoDepth

#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnSetUndoDepth(hObject, uLevels)

HANNOBJECT hObject;	/* handle to the automation object */
L_UINT uLevels;	/* number of levels */

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

This function is available in the Document and Medical Imaging toolkits.

Parameter	Description
hObject	Handle to the automation object.
uLevels	The number of levels that can be undone.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

This function is used only with the automated annotation functions, and there is only one undo depth value per root container. (Subcontainers do not have their own separate values.)

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 2000 / XP/Vista.

See Also

Functions:	L_AnnCreate, L_AnnSetAutoContainer, L_AnnGetAutoContainer, L_AnnSetDpiX, L_AnnSetDpiY, L_AnnGetDpiX, L_AnnGetDpiY, L_AnnSetTool, L_AnnGetTool, L_AnnGetUserMode, L_AnnSetUserMode, L_AnnUndo
Topics:	Annotation Functions: Working with the Toolbar
	Implementing Annotations
	Automated User Interface for Annotations
	Implementing an Automated Annotation Program
	Altering Annotation Object Settings

Example

For an example, refer to Implementing an Automated Annotation Program. For complete sample code, refer to the ANNOTATE example. example.