# \#overlayplugin

**URL:** https://forum.commonvisionblox.com/tag/overlayplugin/7.md

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## [Overlay Plugins not showing on Display Control](https://forum.commonvisionblox.com/t/overlay-plugins-not-showing-on-display-control/794)

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**Author:** [@taserface](https://forum.commonvisionblox.com/u/taserface)\
**Replies:** 4\
**Last updated:** [September 26, 2019, 9:35am UTC](https://forum.commonvisionblox.com/t/overlay-plugins-not-showing-on-display-control/794 "2019-09-26T09:35:21Z")

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G’day! I have ported one of my older applications to a new CVB and Visual studio version. Things generally seem to work fine-ish, but I can’t see any of the overlay I add to my display (Lines, Circles, a few Rectangles …

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## [Upgrade iCVCTextOut to?](https://forum.commonvisionblox.com/t/upgrade-icvctextout-to/269)

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**Author:** [@DSerbee](https://forum.commonvisionblox.com/u/DSerbee)\
**Replies:** 3\
**Last updated:** [November 17, 2017, 10:07am UTC](https://forum.commonvisionblox.com/t/upgrade-icvctextout-to/269 "2017-11-17T10:07:02Z")

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I would like to upgrade source from CVB 11.x using iCVCTextOut to the latest CVB version available. What would be the best route to go? Should I use the TextOutPlugin? If so how do I get the same font as I used in the “F…

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## [Speed up RemoveAllOverlayObjects?](https://forum.commonvisionblox.com/t/speed-up-removealloverlayobjects/84)

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**Author:** [@GaunterODim](https://forum.commonvisionblox.com/u/GaunterODim)\
**Replies:** 1\
**Last updated:** [May 16, 2017, 1:10pm UTC](https://forum.commonvisionblox.com/t/speed-up-removealloverlayobjects/84 "2017-05-16T13:10:14Z")

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I have a display on which I use several instances of the cross hair plug in to mark the positions of objects my classifier has found. In some cases there can be hundreds of them, and deleting them (RemoveAllOverlayObject…

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## [Crosshair plug in - one or two vertices?](https://forum.commonvisionblox.com/t/crosshair-plug-in-one-or-two-vertices/39)

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**Author:** [@taserface](https://forum.commonvisionblox.com/u/taserface)\
**Replies:** 1\
**Last updated:** [May 9, 2017, 9:47am UTC](https://forum.commonvisionblox.com/t/crosshair-plug-in-one-or-two-vertices/39 "2017-05-09T09:47:47Z")

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When creating a crosshair plug in I need two vertices. But axCVDisplay1.GetOverlayObjectPosition always returns coordinate (0, 0) for the second vertex :confused:

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## [Problem creating overlay plug in in C# forms application](https://forum.commonvisionblox.com/t/problem-creating-overlay-plug-in-in-c-forms-application/37)

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**Author:** [@taserface](https://forum.commonvisionblox.com/u/taserface)\
**Replies:** 1\
**Last updated:** [May 9, 2017, 9:12am UTC](https://forum.commonvisionblox.com/t/problem-creating-overlay-plug-in-in-c-forms-application/37 "2017-05-09T09:12:04Z")

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In a Windows Forms application I use the following code to add an overlay plugin to my display control: unsafe { var pt = new Point\[2\]; pt\[0\].X = 0; pt\[0\].Y = 0; pt\[1\].X = 100; pt\[1\].Y = 100; fixed (Point…