When this flag is set, code completion closes if the caret moves to the
beginning of the allowed range. This is useful in Ctrl+Space and "complete when typing",
but not in dot-completion.
Has no effect if CloseAutomatically is false.
Declaration Syntax
Assembly: ICSharpCode.AvalonEdit (Module: ICSharpCode.AvalonEdit.dll) Version: 5.0.0.4238