L_AnnSetAutoUndoEnable
#include "l_bitmap.h"
L_LTANN_API L_INT L_AnnSetAutoUndoEnable(hObject, bEnable);
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HANNOBJECT hObject; |
/* handle to the automation object */ |
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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.
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Parameter |
Description |
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hObject |
Handle to the automation object. |
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bEnable |
Flag that indicates whether to enable or disable the undo mechanism for the automation object. Possible values are: |
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Value |
Meaning |
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TRUE |
Enable the undo mechanism for the specified automation object. |
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FALSE |
Disable the undo mechanism for the specified automation object. |
Returns
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SUCCESS |
The function was successful. |
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< 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
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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
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Functions: |
L_AnnAddUndoNode, L_AnnGetAutoUndoEnabled, L_AnnGetUndoDepth, L_AnnSetUndoDepth, L_AnnUndo, L_AnnSetAutoHilightPen, L_AnnSetAutoSnapCursor, L_AnnGetAutoSnapCursor |
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Topics: |
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Example
For an example, refer to L_AnnGetAutoUndoEnable.