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LEADTOOLS Raster imaging C++ Class library help

LAnnAutomation::SetAutoUndoEnable

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#include "ltwrappr.h"

virtual L_INT LAnnAutomation::SetAutoUndoEnable(bEnable)

L_BOOL bEnable;

/* flag that indicates whether to enable undo */

Enables or disables the undo mechanism for an automation object.

Parameter

Description

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 LAnnAutomation::AddUndoNode to combine multiple changes into a single undo call. For more information on this process, refer to LAnnAutomation::AddUndoNode.

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::GetAutoUndoEnable, 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

For an example, refer to LAnnAutomation::GetAutoUndoEnable.

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