#include "l_bitmap.h"

L_LTDIS_API L_INT L_DoubleBufferEnable(hDoubleBufferHandle, bEnable)

L_HANDLE hDoubleBufferHandle;

double buffer handle

L_BOOL bEnable;

value that specifies whether double buffering is used

Enables or disables double buffering.

Parameter Description
hDoubleBufferHandle Handle that identifies the double buffering process.
bEnable Value that specifies whether to enable double buffering. Possible values are:
  Value Meaning
  TRUE Enable double buffering.
  FALSE Disable double buffering.



The function was successful.

< 1

An error occurred. Refer to Return Codes.


This function enables or disables a double buffering process. This function should be used after the double buffering process is already in place. This means that the double buffering handle should already be created, and all paint calls should already be wrapped in L_DoubleBufferBegin and L_DoubleBufferEnd pairs.

For more information, see the topic Minimizing Flicker With Double Buffering.

Required DLLs and Libraries


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.

See Also


L_DoubleBufferCreateHandle, L_DoubleBufferDestroyHandle, L_DoubleBufferBegin, L_DoubleBufferEnd


Raster Image Functions: Displaying Images


Minimizing Flicker With Double Buffering


To see how double buffering can be used in an application, see the source code for the API annotation demo.

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