LAnnCurve::DeleteUserHandle
#include "ltwrappr.h"
virtual L_INT LAnnCurve::DeleteUserHandle(nIndex)
L_INT32 nIndex; |
/* index of the user handle to delete */ |
Deletes an existing user-defined annotation handle. This function is available in the Document/Medical Toolkits.
Parameter |
Description |
nIndex |
Index of the user-defined handle to delete. The index is zero based. Pass -1 to delete all user-defined handles. Passing a negative value other than –1 makes the function return ERROR_INV_PARAMETER. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
Call this function to delete a user-defined handle from an annotation object.
Set uIndex to -1 to delete all the user-defined handles for annotation object hObject;
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. |
See Also
Functions: |
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Topics |
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Example
// This examples deletes the first user handle of an object
L_VOID ExampleAnnDeleteUserHandle(LAnnCurve *LCurve)
{
L_UINT uCount;
// Get the total count of user handles
LCurve->GetUserHandles(NULL, &uCount);
if (uCount > 0)
LCurve->DeleteUserHandle(0);
else
MessageBox(NULL, TEXT("No User Handles!"), TEXT("Error"), MB_OK);
}