Callback: | AEFGadgetMustHaveValue |
Arguments: |
Gadget - Gadget whose value is to be checked msgFile - message file name msg_id - message id to use default_msg - default message if message file not found |
|
|
Description: | Given a gadget, the message file name, message number and a default message, throw an exception if the specified gadget does NOT have a value set. No arguments to the message are allowed. |
Example: |
Button { Name = SetGadgetValue; Title = "SetGadgetValue"; /* This button will call a callback * that checks the value of a gadget * to ensure it has a value set. */ Commands = AEFGadgetMustHaveValue&/.../FinalValue ("mymsgfile","1","This gadget must have a value"); } |