SPBM_SPINUP
Appearance
This message causes the component to show the next value (spin forward).
Syntax
param1 ULONG ulItem; /* Number of values to spin up. */ param2 ULONG ulReserved; /* Reserved value, should be 0. */
Parameters
- ulItem (ULONG) - input
- Number of values to spin up.
- 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 next value shown (spin forward). 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.