winclass ExistingClass : ExistingClass
The syntax ExistingClass : ExistingClass means that the declaration that follows extends the existing class definition, instead of replacing it.
winclass TextField : TextField
SelectAll()
TypeKeys("<Ctrl+a>")
In your test cases, you can then use the
SelectAll method like any other method in the
TextField class.
UntitledNotepad.TextField.SelectAll()