Determines whether the bitmap list is locked.
#include "ltwrappr.h"
L_BOOL LBitmapBase::IsBitmapListLocked()
Value | Meaning |
---|---|
TRUE | The bitmap list is locked. |
FALSE | The bitmap list is not locked. |
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.
Win32, x64.
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;
}
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