UDM_SETBUDDY  _7ZE6G 

The UDM_SETBUDDY message sets the buddy window for an up-down control.

UDM_SETBUDDY

wParam = (WPARAM) (HWND) hwndBuddy;

lParam = 0;

Parameters

hwndBuddy

Handle of the new buddy window.

Return Values

The return value is the handle of the previous buddy window.