LAnnAudioClip::GetUserHandle

#include "ltwrappr.h"

virtual L_INT LAnnAudioClip::GetUserHandle(uIndex, pAnnHandle)

L_INT32 uIndex;

/* index of user handle to get */

pANNHANDLE pAnnHandle;

/* pointer to a structure */

Gets information about the specified user-defined annotation handle. This function is available in the Document/Medical Toolkits.

Parameter

Description

uIndex

Index of user handle to get. The index is zero based. Passing a negative value returns ERROR_INV_PARAMETER.

pAnnHandle

Pointer to structure to be updated with the user handle.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Before calling this function, you must create the AudioClip annotation object.

Call this function to get information about an existing user-defined annotation handle.

If successful, the entire pAnnHandle structure is filled. The pAnnHandle->uFlags field is ignored. For more information, refer to ANNHANDLE.

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:

Class Members

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

// This example displays information about the first user handle in an annotation object

L_INT LAnnAudioClip_GetUserHandleExample(L_UINT uIndex, pANNHANDLE pAnnHandle) 
{
   L_TCHAR szMsg[400]; 
 
   if (pAnnHandle) 
 
   {
      wsprintf(szMsg, 
                TEXT("uIndex %d\nuStructSize: %d\nnID: %d\n aptContainer[%f,%f]\nptClient[%d,%d]\nbVisible: %s\ncrPen: 0x%x\ncrFill: 0x%x\nnShape: %s\nhCursor: %s\n"), uIndex, 
                pAnnHandle->uStructSize, pAnnHandle->nID, pAnnHandle->aptContainer.x, 
                pAnnHandle->aptContainer.y, pAnnHandle->ptClient.x, pAnnHandle->ptClient.y, 
                pAnnHandle->bVisible ? TEXT("Visible") : TEXT("Not Visible"), 
                pAnnHandle->crPen, pAnnHandle->crFill, pAnnHandle->nShape == 
                ANNHANDLE_SHAPE_SQUARE ? TEXT("Square") : TEXT("Circle"), 
                pAnnHandle->hCursor ? TEXT("Cursor") : TEXT("No Cursor")); 
 
      MessageBox(NULL, szMsg, TEXT(""), MB_OK); 
   }
   return SUCCESS;
}