DtvLong dal_but_hid_but (idb, idm)

Makes the passed button area in the linked mask invisible. The entries in local memory remain unchanged.

Input Parameters Significance
DtvLong idb button area Id
DtvLong idm Id of the mask the button area is linked to [optional]

Output Parameters Significance
none -

Return Code Significance
0 all ok
-1 zero Id

The function automatically invoke any set Button listener function.