SLM_SETTICKSIZE - Parameters

usTickNum (USHORT)

Tick mark location.

Tick mark location whose size is to be changed. If the SMA_SETALLTICKS attribute is specified for this parameter, all tick marks on the primary scale are set to the size specified.

usTickSize (USHORT)

Tick mark length.

Length of the tick mark, in pixels. If set to 0, the tick mark will not be drawn.

ulReserved (ULONG)

Reserved value, should be 0.

rc (BOOL)

Success indicator.

TRUE

Tick mark position was successfully set.
FALSE
An error occurred. The WinGetLastError function may return the following errors:

• PMERR_HEAP_MAX_SIZE_REACHED 
  PMERR_PARAMETER_OUT_OF_RANGE.

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