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LEADTOOLS Raster Imaging C DLL Help

L_AnnGetContainer

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#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnGetContainer(hObject, phContainer)

HANNOBJECT hObject;

/* handle to the annotation object */

pHANNOBJECT phContainer;

/* address of the variable to be updated */

Gets the handle of the container of the specified annotation object.

Parameter

Description

hObject

Handle to the annotation object.

phContainer

Address of the HANNOBJECT variable to be updated with the handle of the container. If the object does not have a container, the updated value is NULL.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Before calling this function, you must declare a variable of data type HANNOBJECT. Then, pass the address of the variable in the phContainer parameter. This function will update the variable with the handle of the annotation object's container.

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:

L_AnnInsert, L_AnnRemove, L_AnnGetTopContainer, L_AnnEnumerate, L_AnnGetItem

Topics:

Annotation Functions: Creating and Deleting Annotations

 

Annotation Functions: Object Information

 

Implementing Annotations

 

Implementing an Automated Annotation Program

 

Implementing a Non-automated Annotation Program

 

Obtaining Annotation Object Information

 

Using Rulers in Annotation Objects

Example

This example compares the immediate container to the root container.

 L_INT AnnGetContainerExample(HANNOBJECT hAnnObject)
{
   L_INT nRet;
   HANNOBJECT ThisContainer;  /* Container for this object */
   HANNOBJECT TopContainer;   /* Root container for the whole window */

   /* Get both the immediate container and the root container */
   nRet = L_AnnGetContainer(hAnnObject, &ThisContainer);
   if(nRet != SUCCESS)
      return nRet;
   nRet = L_AnnGetTopContainer(hAnnObject, &TopContainer);
   if(nRet != SUCCESS)
      return nRet;
   /* Compare the container handles */
   if (ThisContainer == TopContainer)
      MessageBox (NULL, TEXT("Top-level object"), TEXT("Notice"), MB_OK);
   else
      MessageBox (NULL, TEXT("Object in a sub-container"), TEXT("Notice"), MB_OK);
   return SUCCESS;
}
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