© 2026 Hedgehog Software, LLC
Twitter
GitHub
Discord
System
Light
Dark
More
Communities
Docs
About
Terms
Privacy
Search
Star
Feedback
Setup for Free
C
C#
•
2y ago
•
26 replies
Ninja Kirby
✅ WinForms - Parameter is not valid?
for whatever reason
, my custom control
'SimonButton
' breaks in the OnPaint method
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
✅ Does anyone know why Validator.ValidateObject only validates properties and not fields?
C
C# / help
3y ago
InvalidCastException Specified cast is not valid.
C
C# / help
4y ago
✅ [Winforms] Designer not showing
C
C# / help
3y ago
WinForms
C
C# / help
2y ago