# \#cplusplus

**URL:** https://discourse.mcneel.com/tag/cplusplus/1753.md

[Latest](https://discourse.mcneel.com/latest.md) · [Categories](https://discourse.mcneel.com/categories.md) · [Tags](https://discourse.mcneel.com/tags.md)

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## [How to draw points in a display conduit with depth testing (not overlay)?](https://discourse.mcneel.com/t/how-to-draw-points-in-a-display-conduit-with-depth-testing-not-overlay/213552)

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**Author:** [@g\_v\_c](https://discourse.mcneel.com/u/g_v_c)\
**Replies:** 1\
**Last updated:** [December 12, 2025, 4:38am UTC](https://discourse.mcneel.com/t/how-to-draw-points-in-a-display-conduit-with-depth-testing-not-overlay/213552 "2025-12-12T04:38:19Z")

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Hi everyone, I’m drawing custom points inside a Rhino display conduit, but they always appear in front of the model regardless of their actual 3D position. My current code runs inside the SC\_DRAWOVERLAY channel: bool …

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## [Curve scale settings](https://discourse.mcneel.com/t/curve-scale-settings/187853)

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**Author:** [@Gabriele\_Cuccolini](https://discourse.mcneel.com/u/Gabriele_Cuccolini)\
**Replies:** 2\
**Last updated:** [July 10, 2024, 6:46pm UTC](https://discourse.mcneel.com/t/curve-scale-settings/187853 "2024-07-10T18:46:07Z")

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Hi, I would like to know if is possible to get from Rhino C++ API the value of the Curve Scale setting reported in attached image. Thank you very much Gabriele

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## [Dock Command bar to bottom side](https://discourse.mcneel.com/t/dock-command-bar-to-bottom-side/173658)

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**Author:** [@Gabriele\_Cuccolini](https://discourse.mcneel.com/u/Gabriele_Cuccolini)\
**Replies:** 2\
**Last updated:** [January 19, 2024, 7:43am UTC](https://discourse.mcneel.com/t/dock-command-bar-to-bottom-side/173658 "2024-01-19T07:43:57Z")

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Hi, I would like to dock the Command bar on bottom screen side when my PlugIn is loaded. On Rhino 6 and 7 works with this code sample: CRhinoUiDockBar\* p\_dock = RhinoApp().RhinoUiDockBarManager().FindDockBar(L"Command"…

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## [Can one inherit from several subclasses of CRhinoPlugin?](https://discourse.mcneel.com/t/can-one-inherit-from-several-subclasses-of-crhinoplugin/158354)

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**Author:** [@mathias.fuchs](https://discourse.mcneel.com/u/mathias.fuchs)\
**Replies:** 5\
**Last updated:** [April 18, 2023, 4:45pm UTC](https://discourse.mcneel.com/t/can-one-inherit-from-several-subclasses-of-crhinoplugin/158354 "2023-04-18T16:45:01Z")

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Hello Rhino developers. I would like my TRmesh plugin (which is a fast and hopefully easy-to-use tet mesher and re-mesher available on food4rhino) to be declared as class CtrmeshrhinoPlugIn : public CRhinoUtilityPlugI…

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## [Intellisense failure on the Rhino 7 C++ SDK](https://discourse.mcneel.com/t/intellisense-failure-on-the-rhino-7-c-sdk/131607)

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**Author:** [@mathias.fuchs](https://discourse.mcneel.com/u/mathias.fuchs)\
**Replies:** 8\
**Last updated:** [February 28, 2023, 8:04pm UTC](https://discourse.mcneel.com/t/intellisense-failure-on-the-rhino-7-c-sdk/131607 "2023-02-28T20:04:05Z")

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Hello - when I worked on the MeshbExporter I noticed that Intellisense apparently has the habit of failing sporadically but drastically even though the build runs fine, when working on a plugin built with the Rhino 7 C+…

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## [Unable to load plug-in: initialization failed](https://discourse.mcneel.com/t/unable-to-load-plug-in-initialization-failed/147706)

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**Author:** [@Håvard](https://discourse.mcneel.com/u/H%C3%A5vard)\
**Replies:** 2\
**Last updated:** [September 13, 2022, 3:43pm UTC](https://discourse.mcneel.com/t/unable-to-load-plug-in-initialization-failed/147706 "2022-09-13T15:43:46Z")

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Hi. I have an older plug-in project which I have been appointed to update for Rhino 7. It was originally built for Rhino 5. After launching Rhino, I go to Tools → Options… → Plug-ins → Install… , select my freshly comp…

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## [Does a command know if it's launched with an underscore](https://discourse.mcneel.com/t/does-a-command-know-if-its-launched-with-an-underscore/135821)

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**Author:** [@mike14](https://discourse.mcneel.com/u/mike14)\
**Replies:** 3\
**Last updated:** [January 5, 2022, 4:23pm UTC](https://discourse.mcneel.com/t/does-a-command-know-if-its-launched-with-an-underscore/135821 "2022-01-05T16:23:07Z")

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Is there a way within a CRhinoCommand object, to know if it was launched with an underscore? Meaning it was forced to English. Seems like something that would be in the CRhinoCommandContext, but I don’t see it.

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## [Meshb exporter + some code + collab invitation](https://discourse.mcneel.com/t/meshb-exporter-some-code-collab-invitation/131604)

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**Author:** [@mathias.fuchs](https://discourse.mcneel.com/u/mathias.fuchs)\
**Replies:** 2\
**Last updated:** [October 13, 2021, 7:30pm UTC](https://discourse.mcneel.com/t/meshb-exporter-some-code-collab-invitation/131604 "2021-10-13T19:30:32Z")

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Hello, just pushed an exporter plugin for the INRIA meshb file format to the package manager, called MeshbExporter. This format is the native format of the legendary Medit3d viewer as well as the input format of choice…