Posted by: Yoda 1)
SalSendMsgToChildrenOfClass ( hWnd, nMsg,sClassNames[*], nMywParam,
nMylParam )
Sends message to children of classes specified in Array format. Needed
for performance reasons when you have lot of objects in form.
2)
SalSendMsgToChildrenOfType ( hWnd, nMsg,nTypeMask ,nMywParam, nMylParam )
Sends message to all objects of type specified. One or more window types
combined (using the OR (|) operator) to create a mask of child window
types. Needed for performance reasons.