Linux Virtual Delivery Agent

System tray

November 28, 2023

Contributed by:

Session users can click the following system tray icon to access the menu items to perform the corresponding actions:

Each menu item corresponds to a feature with a toggle. When the feature corresponding to a menu item is disabled, the menu item is hidden and not displayed.

Screen sharing

For more information about this feature, see HDX screen sharing.
Desktop environment switch

This menu item is a GUI for ctxdesktopswitch.sh. For more information, see Custom desktop environments by session users.

Desktop environment customization by session users is enabled by default. To disable it, run the following command:
```
 /opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix\Thinwire" -t "REG_DWORD" -v "EnableDesktopSwitch" -d "0x00000000" --force
 
```
Graphics quality slider

For more information, see the Graphics quality slider section in the graphics configuration article.

Real-time CQI

Real-time CQI menu

Currently, Round Trip Time (RTT) and latency data are displayed. For more information, see the session data query utility.

The system tray icon displays differently according to the real-time CQI status:

Real-time CQI status 1 Real-time CQI status 2 Real-time CQI status 3 Real-time CQI status 4

There are thresholds that control when the icon changes display. By default, they are set as follows:

 /opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix\Thinwire" -t "REG_DWORD" -v "HighLatencyThreshold" -d "0x000000dc" --force
 <!--NeedCopy-->

 /opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix\Thinwire" -t "REG_DWORD" -v "HighRttThreshold" -d "0x00000104" --force
 <!--NeedCopy-->

 /opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix\Thinwire" -t "REG_DWORD" -v "LowLatencyThreshold" -d "0x00000078" --force
 <!--NeedCopy-->

 /opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix\Thinwire" -t "REG_DWORD" -v "LowRttThreshold" -d "0x00000096" --force
 <!--NeedCopy-->

When the actual RTT is less than or equal to LowRttThreshold and the actual latency is less than or equal to LowLatencyThreshold, the icon is marked green. When the actual RTT is greater than HighRttThreshold or the actual latency is greater than HighLatencyThreshold, the icon is marked red. In other circumstances, the icon is marked yellow. If real-time CQI is disabled, the icon does not have a color mark.

The real-time CQI is enabled and displayed by default. To disable and hide it and make the tray icon not have a color mark, run the following command:

 /opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix\Thinwire" -t "REG_DWORD" -v "EnableCqiShow" -d "0x00000000" --force
 <!--NeedCopy-->

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System tray

November 28, 2023

Contributed by:

November 28, 2023

Contributed by:

System tray

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