Reads the current H-Sync line.

Prototype declaration:

> `

>     KMSTATUS KMAPI
>     kmGetCurrentScanline(
>     		OUT PKMINT32     pScanline
>     );

> `

Description:

>     This function reads the current H-Sync line.

Parameters:

>     pScanline(output)
>             This parameter is a pointer to KMINT32 where the current H-Sync line is stored.

Return values:

> Value | Explanation
> KMSTATUS_SUCCESS | Success