Determine if a global variable has been declared and return its value.

Summary

The sample script in this article determines if a global variable exists, and if so, it will return the value of the variable.

Procedure

1. Open a new script window.
   
   
   A. Activate the Project window.
   B. Click the Scripts icon.
   C. Click New.
   
   
2. Copy the following code into a script window.
   
   

   Code:
   '-- Substitute "_myGlobal" with your global variable.
   
   '-- See if _myGlobal has been defined
   
   s = Script.Make( "x = _myGlobal" )
   
   If (s.HasError) then
     MsgBox.Error( "The global variable doesn't exist", "")
   Else
     MsgBox.Info("Value = "+ _myGlobal.AsString,"The global variable exists!")
   end

   
   
3. Click the Compile button.
   
   
4. Click the Run button.