L_AnnFreeToolBarButtons

#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnFreeToolBarButtons(pButtons, uButtons)

Frees the memory allocated by L_AnnGetToolBarButtons for the pButtons array.

Parameters

pANNBUTTON pButtons

An array of ANNBUTTON structures that contain information about the buttons in the annotation toolbar.

L_UINT uButtons

Number of buttons in the toolbar. (Number of entries in the pButtons array.)

Returns

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

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

#define ANNTOOL_USER2 0x0101 
#include "windowsx.h" 
L_INT AnnFreeToolBarButtonsExample(HWND ToolbarWnd) 
{ 
   BITMAPHANDLE   LBitmap; 
   L_UINT         uButtons; 
   pANNBUTTON     pButtons; 
   L_INT          nRet; 
   L_UINT         x; 
 
   nRet = L_LoadBitmap(MAKE_IMAGE_PATH(TEXT("IMAGE1.CMP")), &LBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, 0, NULL); 
   if(nRet != SUCCESS) 
      return nRet; 
   nRet = L_SizeBitmap(&LBitmap, TOOLBARIMAGECX, TOOLBARIMAGECY, 0); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   /* get the number of buttons in the toolbar */ 
   nRet = L_AnnGetToolBarButtons(ToolbarWnd, NULL, sizeof(ANNBUTTON), &uButtons); 
   if (nRet == SUCCESS) 
   { 
      /* allocate an array big enough to hold the number of existing buttons + 1 */ 
      pButtons = (pANNBUTTON) GlobalAllocPtr(GMEM_MOVEABLE, (uButtons+1)*sizeof(ANNBUTTON)); 
      if (pButtons) 
      { 
         /* get the existing buttons */ 
         for(x=0;x<uButtons+1;x++) 
         { 
            pButtons[x].uStructSize       = sizeof(ANNBUTTON); 
            pButtons[x].uBitmapStructSize = sizeof(BITMAPHANDLE); 
         } 
 
         nRet = L_AnnGetToolBarButtons(ToolbarWnd, pButtons, sizeof(ANNBUTTON), &uButtons); 
         if (nRet == SUCCESS) 
         { 
            /* add a new user defined tool button */ 
            pButtons[uButtons].uFlags           = 0; 
            pButtons[uButtons].uTool            = ANNTOOL_USER2; 
            pButtons[uButtons].pBitmapUp        = &LBitmap; 
            pButtons[uButtons].pBitmapDown      = pButtons[uButtons].pBitmapUp; 
            pButtons[uButtons].nToolTipTextID   = -1; 
            pButtons[uButtons].pToolTipText     = TEXT("D Tool"); 
 
            nRet = L_AnnSetToolBarButtons(ToolbarWnd, pButtons, uButtons+1); 
            if(nRet != SUCCESS) 
               return nRet; 
 
            nRet = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &LBitmap, FILE_BMP, 24, 0, NULL); 
            if(nRet != SUCCESS) 
               return nRet; 
 
             L_FreeBitmap(&LBitmap); 
             
            /* free uButtons */ 
            nRet = L_AnnFreeToolBarButtons(pButtons, uButtons); 
            /* free pButtons */ 
            GlobalFreePtr(pButtons); 
            ShowWindow(ToolbarWnd, SW_SHOW); 
         } 
         else 
         { 
            MessageBox(NULL, TEXT("Error getting toolbar buttons."), TEXT(""), MB_OK); 
            return 0; 
         } 
      } 
      else 
      { 
         MessageBox(NULL, TEXT("Not enough memory to allocate pButtons."), TEXT(""), MB_OK); 
         return 0; 
      } 
   } 
   else 
   { 
      MessageBox(NULL, TEXT("Error getting uButtons."), TEXT(""), MB_OK); 
      return 0; 
   } 
   return SUCCESS; 
} 
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