Product Documentation

Configuring Bloomberg keyboards

Citrix Receiver for Windows supports the use of Bloomberg keyboard in a XenApp and XenDesktop session. The required components are installed with the plug-in. You can enable the Bloomberg keyboard feature during Citrix Receiver for Windows installation or by using the registry.

Multiple sessions with Bloomberg keyboards are not recommended. The keyboard only operates correctly in a single-session environment.

To enable or disable Bloomberg keyboard support

Caution

Editing the registry incorrectly can cause serious problems that may require you to reinstall your Operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Be sure to back up the registry before you edit it.

  1. Locate the following key in the registry:

    HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\ICA Client\GenericUSB

  2. Do one of the following:

    • To enable this feature, for the entry with type DWORD and Name EnableBloombergHID, set the value to 1.
    • To disable this feature, set the value to 0.

For more information on configuring Bloomberg Keyboard, see Knowledge Center article CTX122615.

To prevent the desktop viewer window from dimming

If you have multiple Desktop Viewer windows, by default the desktops that are not active are dimmed. If users need to view multiple desktops simultaneously, this can make the information on them unreadable. You can disable the default behavior and prevent the Desktop Viewer window from dimming by editing the Registry.

Caution: Editing the registry incorrectly can cause serious problems that may require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Be sure to back up the registry before you edit it.

  1. On the user device, create a REG_DWORD entry called DisableDimming in one of the following keys, depending on whether you want to prevent dimming for the current user of the device or the device itself. An entry already exists if the Desktop Viewer has been used on the device:

    • HKEY_CURRENT_USER\Software\Citrix\XenDesktop\DesktopViewer
    • HKEY_LOCAL_MACHINE\Software\Citrix\XenDesktop\DesktopViewer

    Optionally, instead of controlling dimming with the above user or device settings, you can define a local policy by creating the same REG_WORD entry in one of the following keys:

    • HKEY_CURRENT_USER\Software\Policies\Citrix\XenDesktop\DesktopViewer
    • HKEY_LOCAL_MACHINE\Software\Policies\Citrix\XenDesktop\DesktopViewer

    The use of these keys is optional because XenDesktop administrators, rather than plug-in administrators or users, typically control policy settings using Group Policy. So, before using these keys, check whether your XenDesktop administrator has set a policy for this feature.

  2. Set the entry to any non-zero value such as 1 or true.

    If no entries are specified or the entry is set to 0, the Desktop Viewer window is dimmed. If multiple entries are specified, the following precedence is used. The first entry that is located in this list, and its value, determine whether the window is dimmed:

    1. HKEY_CURRENT_USER\Software\Policies\Citrix\…
    2. HKEY_LOCAL_MACHINE\Software\Policies\Citrix\…
    3. HKEY_CURRENT_USER\Software\Citrix\…
    4. HKEY_LOCAL_MACHINE\Software\Citrix\…

Configuring Bloomberg keyboards