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L_DispContainerGetWindowHandle

Summary

Returns a handle to the specified container window.

Syntax

#include "ltivw.h"

L_LTIVW_API L_HWND L_DispContainerGetWindowHandle(hCon, uFlags)

Parameters

HDISPCONTAINER hCon

Handle to the container.

L_UINT uFlags

Reserved for future use. Pass 0.

Returns

Value	Meaning
> 0	Handle to the container window.
NULL	An error occurred. To get extended error information, call GetLastError, and refer to Return Codes.

Comments

This function gets a handle to the container's window. To get a handle to the container itself, call L_DispContainerGetHandle.

Required DLLs and Libraries

LTIVW
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Example

This function returns the bounding rectangle that specifies the absolute position of the cell.

L_INT DispContainerGetWindowHandleExample(HDISPCONTAINER hCon, 
                                                          L_INT          nCellIndex, 
                                                          RECT         * lpRect) 
{ 
   L_INT nRet; 
   RECT  rcRect;  
   POINT pt;  
   HWND  hWndContainer, hWndCell;  
 
   // Check whether the cell index is valid or not.  
   L_INT nCount = L_DispContainerGetCellCount(hCon, 0);  
   if (nCellIndex < 0 || nCellIndex >= nCount)  
      return 0;  
 
   // Get the container window handle.  
   hWndContainer = L_DispContainerGetWindowHandle (hCon, 0);  
 
   // Get the cells bounding rectangle, the corrdinates is relative to the upperleft corner  
   // of the container window.  
   nRet = L_DispContainerGetCellBounds(hCon, nCellIndex, &rcRect, 0);  
   if(nRet != SUCCESS) 
      return nRet; 
 
   pt.x = rcRect.left;  
   pt.y = rcRect.top;  
 
   ClientToScreen(hWndContainer, &pt);  
 
   // Get the window handle of the cell 
   hWndCell = L_DispContainerGetCellWindowHandle(hCon, nCellIndex, 0);  
 
   // Get the client rect for the cell.  
   GetClientRect(hWndCell, &rcRect);  
 
   OffsetRect(&rcRect, pt.x, pt.y);  
 
   CopyRect(lpRect, &rcRect);  
 
   return SUCCESS;  
}