Afternoon all, I have a vb wpf application that opens a text file when you double click it in explorer (using command line args) my question is when I select multiple files and select open it opens separate instances for each file and only passes one command line arg to each application. I'm assuming the way to resolve this is to make the application a single instance application but I'm struggling with finding a solution to this, I dont really want to reference any winforms dlls if possilbe Thanks
Single instance wpf application
- Thread starter Tmann
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Hey Guys, this link, although cs based when converted to vb works quite well without the need for any winform dlls if anyone was interested in doing the same. WPF Single Instance Application - Arik Poznanski's Blog Thanks
A common solution seems to be to use the WindowsFormsApplicationBase class, same that Forms uses for application framework. No additional references is needed for this, since all VB projects must reference the Microsoft.VisualBasic assembly anyway. There is a sample in Windows SDK, I'll have a look later, available here Single Instance Detection Sample.
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