SPBM_SPINDOWN

This message causes the component to show the previous value (spin backward).

Syntax

param1
ULONG ulItem;     /* Number of values to spin down. */

param2
ULONG ulReserved; /* Reserved value, should be 0. */

Parameters

ulItem (ULONG) - input

Number of values to spin down.

ulReserved (ULONG) - input

Reserved value, should be 0.

Returns

rc (BOOL) - return

Success indicator.

TRUE: Successful completion.

FALSE: Error occurred.

Remarks

The application sends this message to the component when it wants the previous value shown (spin backward). When there is no data to spin, FALSE is returned.

Default Processing

The default window procedure does not expect to receive this message and takes no action other than to return FALSE.