Classes and Member Functions > LBitmapBase > LBitmapBase Member Functions > LBitmapBase::IsMemoryLocked

LBitmapBase::IsMemoryLocked

#include "ltwrappr.h"

L_BOOL LBitmapBase::IsMemoryLocked()

Determines whether the bitmap memory data is locked.

Returns

TRUE	The bitmap data memory is locked.
FALSE	The bitmap data memory is not locked.

Comments

Use this function to check whether the bitmap memory data is locked or not.

The bitmap memory must be locked before you can access the image data contained in the class objects bitmap.

Required DLLs and Libraries

LTDIS
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.

Platforms

Win32, x64.

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
L_INT LBitmapBase__IsMemoryLockedExample() 
{ 
   L_INT nRet; 
   LBitmapBase MyBitmap; 
   L_BOOL  bLocked; 
   nRet =MyBitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp"))); 
   if(nRet !=SUCCESS) 
      return nRet; 
   bLocked=MyBitmap.IsMemoryLocked(); 
   return SUCCESS; 
}