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