Stops the screen display of the frame buffer, and performs blanking.

Prototype declaration:

> `

>     KMSTATUS KMAPI
>     kmBlankScreen(
>     		IN  KMBOOLEAN       bBlanking
>     );

> `

Description:

>     This function stops the screen display of the frame buffer, and performs blanking.
>     (For each V-Sync Callback, this function can only be called once.)

Parameters:

>     bBlanking(input)
>             This parameter specifies whether to perform blanking of the screen, as follows:
>                 KM_TRUE    Starts blanking.
>                 KM_FALSE   Cancels blanking.

Return values:

> Value | Explanation
> KMSTATUS_SUCCESS | Success