#include "ltwrappr.h"
virtual L_BOOL LBitmapList::IsCreated()
Determines whether a bitmap list has been created.
TRUE |
A bitmap list has been created. |
FALSE |
A bitmap list has not been created. |
The class object must contain a created bitmap list before you can use functions to insert, remove, or otherwise access bitmap list items.
You can create a bitmap list for the class object by doing one of the following:
calling LBitmapList::Create
calling the constructor LBitmapList(LBitmapList * pBitmapList)
using the = operator
using LBitmapList::Load
calling LBitmapList::CopyItems
calling LBitmapList::SetBitmapList
calling LBitmapList::SetHandle.
Required DLLs and Libraries
LTFIL For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
Functions: |
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Topics: |
|
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L_INT LBitmapList__IsCreatedExample(HWND hWnd)
{
L_INT nRet;
LBitmapList BitmapList;
LBitmapBase Bitmap;
L_BOOL bIsCreated;
nRet =BitmapList.Create ();
if(nRet !=SUCCESS)
return nRet;
// load three images and insert them in the list
nRet =Bitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp")), 0,ORDER_BGR);
if(nRet !=SUCCESS)
return nRet;
nRet =BitmapList.InsertItem (&Bitmap);
if(nRet !=SUCCESS)
return nRet;
nRet =Bitmap.Load(MAKE_IMAGE_PATH(TEXT("image2.cmp")), 0,ORDER_BGR);
if(nRet !=SUCCESS)
return nRet;
nRet =BitmapList.InsertItem (&Bitmap);
if(nRet !=SUCCESS)
return nRet;
nRet =Bitmap.Load(MAKE_IMAGE_PATH(TEXT("ImageProcessingDemo\\Image3.cmp")), 0,ORDER_BGR);
if(nRet !=SUCCESS)
return nRet;
nRet =BitmapList.InsertItem (&Bitmap);
if(nRet !=SUCCESS)
return nRet;
// get the internal handle
bIsCreated = BitmapList.IsCreated ();
if(bIsCreated == TRUE)
MessageBox(hWnd, TEXT("List created successfully"), TEXT("LBitmapList"), MB_OK);
// destroy the list
BitmapList.Destroy ();
return SUCCESS;
}
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