>>Nope, it's the method which is first mentioned in the Reserved3 field of the main record of the .scx (that's the first record after the DE records, where these methods reside). If you dare (and backup first), edit this memo and move your favorite method to the top.

>What causes this to change, other than leaving the edit window open and closing the form? There must be something else, because it's not consistant in which method it opens.

In some cases it uses the information in the resource file (i.e. if you had a method window open last time you closed the editor, or if you used View/Code as Hilmar suggests). This is for the double-click on the object.