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LToolbar::GetButtonInfo

Summary

Gets the information for the specified toolbar button.

Syntax

#include "ltwrappr.h"

L_INT LToolbar::GetButtonInfo (uButtonId, pButtonInfo, uStructSize)

Parameters

L_UINT uButtonId

Identifier that indicates the button for which to get the information.

pLBUTTONINFO pButtonInfo

Pointer to an LBUTTONINFO structure to be updated with the button information.

L_UINT uStructSize

Size, in bytes, of the structure pointed to by pButtonInfo. Use sizeof(LBUTTONINFO).

Returns

Value	Meaning
SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

To change the information on the specified toolbar button, call this function to get the current information. Change the information in pButtonInfo and then call LToolbar::SetButtonInfo.

When the toolbar button bitmap is no longer needed, you must free it using the Windows API function DeleteObject.

Required DLLs and Libraries

LTTLB
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 example will display the tool tip text of each button in a toolbar.

L_INT LToolbar__GetButtonInfoExample( HWND hWnd, LToolbar* tlb) 
 
{ 
   UNREFERENCED_PARAMETER(hWnd); 
 
   L_INT          nRet; 
   LTOOLBARINFO   ToolbarInfo; 
   LBUTTONINFO    ButtonInfo; 
   L_UINT         i, j; 
 
   /* get toolbar info */ 
 
   ToolbarInfo.uStructSize = sizeof( LTOOLBARINFO ); 
 
   nRet = tlb->GetToolbarInfo(&ToolbarInfo, sizeof(LTOOLBARINFO)  ); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   /* iterate through tools */ 
 
   for( i = 0; i < ToolbarInfo.uToolsCount; i++ ) 
 
   { 
      /* get the text */ 
      for( j = 0; j < ToolbarInfo.pTools[ i ].uButtonsCount; j++ ) 
      { 
         ButtonInfo.uStructSize = sizeof( LBUTTONINFO ); 
 
         nRet = tlb->GetButtonInfo (ToolbarInfo.pTools[ i ].pButtons[ j ].uID, &ButtonInfo, sizeof(LBUTTONINFO)); 
         if(nRet != SUCCESS) 
            return nRet; 
 
         MessageBox(NULL, ButtonInfo.szToolTipText, TEXT(""), MB_OK); 
 
         /* free the bitmap so we don't leak */ 
         DeleteObject( ButtonInfo.hBitmap ); 
      } 
   } 
 
   /* free the info structure */ 
   nRet = tlb->FreeToolbarInfo (&ToolbarInfo); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
}