bValid = CwIsHandleValid(hObject) bValid (boolean) True (1) if the given handle is valid, false (0) otherwise. hObject (handle) Any handle.
/* This function behaves exactly like CwGetObjectCount except that it shouldn't be called between calls to CwFindFirstObject or CwFindNextObject. */ objcount:procedure count = 0 o = CwFindFirstObject( CwGetCurrentView() ) do while CwIsHandleValid(o) count = count + 1 o = CwFindNextObject( o ) end return o
Functions by NAME |
Index |
Functions by PURPOSE |