UDM_SETACCEL Overview Group

The UDM_SETACCEL message sets the acceleration for an up-down control.

UDM_SETACCEL 

wParam = (WPARAM) nAccels; 

lParam = (LPARAM) (LPUDACCEL) aAccels;

Parameters

nAccels: Number of UDACCEL structures specified by aAccels.
aAccels: Address of an array of UDACCEL structures that contains acceleration information. Elements should be sorted in ascending order based on the nSec member.

Returns TRUE if successful or FALSE otherwise.