LAnnAutomation::GetAutoUndoEnable

#include "ltwrappr.h"

virtual L_INT LAnnAutomation::GetAutoUndoEnable(pbEnable)

L_BOOL *pbEnable;

pointer to a variable to be updated

Retrieves the state of the undo mechanism for an automation object.

Parameter	Description
pbEnable	Pointer to a variable to be updated with a value that indicates whether the undo mechanism for the automation object is enabled or disabled. Possible values are:
	Value	Meaning
	TRUE	The undo mechanism for this annotation object is enabled.
	FALSE	Theundo mechanism for this annotation object is disabled.

Returns

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

Comments

To enable or disable a particular automation object, call LAnnAutomation::SetAutoUndoEnable.

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:	LAnnAutomation::AddUndoNode, LAnnAutomation::SetAutoUndoEnable, LAnnAutomation::GetUndoDepth, LAnnAutomation::SetUndoDepth, LAnnAutomation::Undo, Class Members, LAnnAutomation::SetAutoHilightPen, LAnnotation::SetAutoSnapCursor, LAnnotation::GetAutoSnapCursor, LAnnAutomation::GetAutoHilightPen
Topics:	Annotation Functions: Object Properties
	Implementing Annotations
	Automated User Interface for Annotations
	Annotation Functions: Creating and Deleting Annotations
	Types of Annotations
	Annotation Functions: Implementing Custom Annotations
	Annotation Functions: Creating Custom Annotations
	Fixed Annotations
	Minimizing Flicker With Double Buffering
	Annotation Functions: Working with the Toolbar

Example

L_INT LAnnAutomation_GetAutoUndoEnableExample() 
{ 
   L_INT nRet = SUCCESS; 
   LAnnAutomation lAutomation; 
   L_BOOL IsEnabled = FALSE; 
   nRet = lAutomation.GetAutoUndoEnable(&IsEnabled); 
   if(nRet != SUCCESS) 
      return nRet; 
   if(!IsEnabled) 
      nRet = lAutomation.SetAutoUndoEnable(TRUE); 
   return nRet; 
}

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