SLM_QUERYTICKSIZE - Parameters

usTickNum (USHORT)

Tick mark location.

Specifies the tick mark location to query for the size.

ulReserved (ULONG)

Reserved value, should be 0.

usTickSize (USHORT)

Tick mark length.

Specifies the length of the tick mark at the position queried, in pixels. If this value is 0, the tick mark is invisible.

If the SLDERR_INVALID_PARAMETERS error is returned, an error occurred. The WinGetLastError function may return the following error:

PMERR_PARAMETER_OUT_OF_RANGE.

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