LBitmapBase::EnableChangeNotification

#include "ltwrappr.h"

virtual L_BOOL LBitmapBase::EnableChangeNotification(bEnable=TRUE)

L_BOOL bEnable;

/* flag that indicates whether to enable change notifications */

Enables or disables the sending of change notifications.

Parameter	Description
bEnable	Flag that indicates whether to enable or disable the change notifications. Possible values are:
	Value	Meaning
	TRUE	Enable the change notifications.
	FALSE	Disable the change notifications.

Returns

The previous setting.

Comments

Call this function to enable or disable the sending of change notifications. Disabling the change notifications will speed up your code because the notification functions will not be called. However, this will prevent you from having control over the different operations that are performed on the 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.

See Also

Functions:

LBitmapBase::StartChanging, LBitmapBase::EndChanging, LBitmapBase::IsChangeNotificationEnabled, LBitmapBase::EnableAlwaysEndNotification, LBitmapBase::IsAlwaysEndNotification, Class Members

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LBitmapBase__EnableChangeNotificationExample()
{
   L_INT nRet;
   LBitmapBase  MyBitmap;
   nRet =MyBitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp")),24);
   if(nRet !=SUCCESS)
      return nRet;
   if(MyBitmap.IsChangeNotificationEnabled()==FALSE)
      MyBitmap.EnableChangeNotification(TRUE);
   return SUCCESS;
}