Click here to Skip to main content
65,938 articles
CodeProject is changing. Read more.
Articles / desktop / WinForms

Single Instance Form in a MDI application

4.50/5 (2 votes)
20 Sep 2011CPOL 5.7K  
Assuming you only want a single instance of a form type, I'd suggest you add a Dictionary(Of Type, Form). ShowOrActiveForm would have a single parameter of Type and would be a subroutine.The Form object could be found based on a ContainsKey. The rest of the ShowOrActiveForm function would be...

Assuming you only want a single instance of a form type, I'd suggest you add a Dictionary(Of Type, Form). ShowOrActiveForm would have a single parameter of Type and would be a subroutine.


The Form object could be found based on a ContainsKey. The rest of the ShowOrActiveForm function would be the same.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)