© 2026 Hedgehog Software, LLC
Twitter
GitHub
Discord
System
Light
Dark
More
Communities
Docs
About
Terms
Privacy
Search
Star
Feedback
Setup for Free
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#
Join
We are a programming server aimed at coders discussing everything related to C# (CSharp) and .NET.
61,871
Members
View on Discord
Resources
ModelContextProtocol
ModelContextProtocol
MCP Server
Recent Announcements
Similar Threads
Was this page helpful?
Yes
No
Similar Threads
❔ First open source contribution
C
C# / help
3y ago
open file dialog filter
C
C# / help
4y ago
❔ Cannot open output file for writing
C
C# / help
4y ago