# \#genapi

**URL:** https://forum.commonvisionblox.com/tag/genapi/47.md

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## [Inconsistency between Writeable and Writable in CVB](https://forum.commonvisionblox.com/t/inconsistency-between-writeable-and-writable-in-cvb/2468)

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**Author:** [@can](https://forum.commonvisionblox.com/u/can)\
**Replies:** 1\
**Last updated:** [April 15, 2026, 7:58am UTC](https://forum.commonvisionblox.com/t/inconsistency-between-writeable-and-writable-in-cvb/2468 "2026-04-15T07:58:42Z")

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Hello, while looking through the current CVB installation, I noticed an inconsistency in the naming around Writeable vs Writable. For example: cvb/genapi/\_decl/decl\_node.hpp exposes IsWriteable() cvb/gevserver/\_d…

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## [How to open camera mechanical shutter and setting up exposure time](https://forum.commonvisionblox.com/t/how-to-open-camera-mechanical-shutter-and-setting-up-exposure-time/1791)

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**Author:** [@Saad](https://forum.commonvisionblox.com/u/Saad)\
**Replies:** 11\
**Last updated:** [September 13, 2022, 6:47am UTC](https://forum.commonvisionblox.com/t/how-to-open-camera-mechanical-shutter-and-setting-up-exposure-time/1791 "2022-09-13T06:47:36Z")

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Hello, I am using two hyperspectral line cameras. The idea is to capture an image from CAM1 and then from CAM2 and then rotate the stepper motor, and repeat. Using the following code I can save images from CAM1 and CAM2…

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## [GenApi StringNode Value Access](https://forum.commonvisionblox.com/t/genapi-stringnode-value-access/263)

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**Author:** [@gerd](https://forum.commonvisionblox.com/u/gerd)\
**Replies:** 3\
**Last updated:** [May 14, 2019, 2:48pm UTC](https://forum.commonvisionblox.com/t/genapi-stringnode-value-access/263 "2019-05-14T14:48:53Z")

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Hello together, I want to access the values of StringNodes that are located in the Device Nodemap of a camera. Therefore my approach is as follows: //Path to VIN Cvb::String path(CVB\_LIT("%CVB%Drivers\\\\GenICam…

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## [Cvb.py set node](https://forum.commonvisionblox.com/t/cvb-py-set-node/294)

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**Author:** [@michaelbe](https://forum.commonvisionblox.com/u/michaelbe)\
**Replies:** 5\
**Last updated:** [July 5, 2018, 11:33am UTC](https://forum.commonvisionblox.com/t/cvb-py-set-node/294 "2018-07-05T11:33:24Z")

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Hello right now I can read nodes from a camera with the following code: device\_node\_map=device.node\_maps\[“Device”\] print (str(device\_node\_map\[“ExposureTime”\] I wonder how I can set a value? Does anybody has an advic…

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## [GEVServer EnumEntries](https://forum.commonvisionblox.com/t/gevserver-enumentries/401)

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**Author:** [@Schoeffmann](https://forum.commonvisionblox.com/u/Schoeffmann)\
**Replies:** 2\
**Last updated:** [March 20, 2018, 9:22am UTC](https://forum.commonvisionblox.com/t/gevserver-enumentries/401 "2018-03-20T09:22:52Z")

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Hi CVB Team, As i understand it all GEVServer nodes have to have a unique name. Our enumerations sometimes have common “names”, e.g. many of those enumerations contain an entry “None”. Is it possible to add e.g. a “No…

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## [CVGenApiGrid : How to change the font size?](https://forum.commonvisionblox.com/t/cvgenapigrid-how-to-change-the-font-size/209)

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**Author:** [@Bviaron](https://forum.commonvisionblox.com/u/Bviaron)\
**Replies:** 3\
**Last updated:** [September 5, 2017, 8:54am UTC](https://forum.commonvisionblox.com/t/cvgenapigrid-how-to-change-the-font-size/209 "2017-09-05T08:54:25Z")

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Dear colleagues, Do you know how increase size of text (font size) of your CVGenApiGrid component? Thanks in advance for your answer. Best regards, Benjamin Viaron Tech Support Manager

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## [Optical zoom control on EH6300 (C#)](https://forum.commonvisionblox.com/t/optical-zoom-control-on-eh6300-c/172)

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**Author:** [@trob](https://forum.commonvisionblox.com/u/trob)\
**Replies:** 4\
**Last updated:** [July 27, 2017, 1:02pm UTC](https://forum.commonvisionblox.com/t/optical-zoom-control-on-eh6300-c/172 "2017-07-27T13:02:23Z")

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Hi, I’ve used the CSMovie2Recorder tutorial program lately, and adjusted to my needs for a Sony EH6300 (ethernet). It works prefectly! Only point is that I’d need to control the Optical Zoom from a scrollBar I’ve added…