LBitmapBase::IsBitmapListLocked

Summary

Determines whether the bitmap list is locked.

Syntax

#include "ltwrappr.h"

L_BOOL LBitmapBase::IsBitmapListLocked()

Returns

Value Meaning
TRUE The bitmap list is locked.
FALSE The bitmap list is not locked.

Comments

Call this function to check if the bitmap list is locked. If this class object was created using the LBitmapList::GetItem, LBitmapList::GetFirstItem, LBitmapList::GetLastItem, LBitmapList::GetPreviousItem, or LBitmapList::GetNextItem functions, then the bitmap list will be locked until you restore the bitmap to the list using the LBitmapList::SetItem function.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Example

L_INT LBitmapBase__IsBitmapListLockedExample() 
{ 
   L_INT nRet; 
   LBitmapBase MyBitmap; 
   LBitmapList BmpList; 
   L_TCHAR* pszFile=MAKE_IMAGE_PATH(TEXT("image1.cmp")); 
   /*add items to BmpList*/ 
 
   nRet =BmpList.Load(pszFile); 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   nRet =BmpList.GetItem(0,&MyBitmap, sizeof(BITMAPHANDLE)) ; 
   if(nRet !=SUCCESS) 
      return nRet; 
   if(MyBitmap.IsBitmapListLocked()) 
      nRet = BmpList.SetItem(0,&MyBitmap) ; 
 
   return nRet; 
 
 
} 
Help Version 22.0.2023.2.2
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Raster Imaging C++ Class Library Help
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.