Focus on VBS helps you editing and generating visual basic script files.
Here is a list of the editor features:

Powerful Editing : Syntax Coloring helps you analyzing better your code, separating the functions from the statements. Auto Capitalize all the function and statements. You can set the text appearance in the "Options Dialog" There is also all the standard text editing tools including Find and Replace and Printing.

Auto Complete: Gives you a list of the properties and function available for an object, Click here for a screen shot.

Quick Info: Display the syntax of a specified method.

Executing options: Test your script! You can execute it using any of the parameters listed in the "Run Dialog" which display a small description of each one.

Shell Integration: Add "Edit with Focus On VBS" in explorer context menu. Focus On VBS also support drag-drop files from explorer.