© 2026 Hedgehog Software, LLC

TwitterGitHubDiscord
More
CommunitiesDocsAboutTermsPrivacy
Search
Star
Setup for Free
C#C
C#•4y ago•
3 replies
Notro

Open file in first instance

Hi.
Im creating WPF app, that can open files. But, when i have opened app and use "Open with *my app*" , it creates new instance. How can i send file arg to the first instance and read it?
C# banner
C#Join
We are a programming server aimed at coders discussing everything related to C# (CSharp) and .NET.
61,871Members
Resources
Recent Announcements

Similar Threads

Was this page helpful?

Similar Threads

❔ First open source contribution
C#CC# / help
3y ago
open file dialog filter
C#CC# / help
4y ago
❔ Cannot open output file for writing
C#CC# / help
4y ago