Unloads a DCL file
new_dialog call) from memory.Unloads the DCL file associated with dcl_id (obtained from a previous
It is generally not necessary to unload a DCL definition from memory, unless you are running low on memory or need to update the DCL dialog definition from a new file.
load_dialog call.A DCL file identifier obtained from a previous
unload_dialog function always returns nil.The