I need the tree control to grow as the panel grows. Is this possible please? [image] For reference, the tree is in a RhinoWindows.Controls.RenderContentUserControlCollapsibleSection. So I need it to expand and not the Notes panel. Thanks Paul

@maxsoder is there a way to have this work as requested?

I do not think it is possible. This is the MFC version maybe @johnc knows more?

There actually used to be support for this - I will log this as a bug. https://mcneel.myjetbrains.com/youtrack/issue/RH-62222

I have fixed this in the MFC section / holder system but the fix is only in C++ / MFC. @maxsoder is going to add the fix to the C# side. For the record, here’s how to use the fix in MFC: In your section code you have to override OnAttachedToHolder() and call SetFullHeightSection() : void CMySectio…

Thanks. My plugin is written in C#, so please let me know when it is fixed there. Paul

Please fix this ! It is really painful …

Yes, the bug is in my list and I will start working on it this week.

Thank you, it is really appreciated !

The fix will be in v7.4. Use EtoCollapsibleSection2 instead of EtoCollapsibleSection and override public override void OnAttachedToHolder(ICollapsibleSectionHolder2 holder) { base.OnAttachedToHolder(holder); holder.SetFullHeightSection(this); } This will also work on the …

Thanks @maxsoder I have my panel defined as public partial class OctaneMaterialTreeControl : RhinoWindows.Controls.RenderContentUserControlCollapsibleSection How do I implement your fix in this situation please? Thanks Paul

Rhino Material panel resizing

Rhino Developer

maxsoder (Max Söderström) February 9, 2021, 2:33pm 13

This is now implemented and it will be in v.7.4.

Br,Max

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Rhino Material panel resizing

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