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The client application can be installed on any machine that will be able to access the XPression machine via a network address. It is responsible for all communication with the barchart internet data service. It also needs to be able to connect to the Chameleon database instance to access the sponsor schedule.

Prerequisites

Windows 8, 10, or Windows Server 2012 or greater is recommended.

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To view account details related to the active API key there is a window that opens via the Help menu - API Account Access… Clicking on this menu item will open a window display exchanges and module access.

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Then numbers in front of the module names in the right hand list indicate the number of times that module has been used this month.

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No XPression Mode

You can run the client application without connecting to the XPression server. Press the Don’t connect button to launch the client app in standalone mode. You will be able to:

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Note that the XPression project files should all be stored on the local machine.

Application Logs

You can access the application The Application specifically uses the following 3 scenes from the XPression project file:

• FS^Chart GRAPHS

• FS^Chart2 Graphs

• FS_^TABLE5C

Special Settings

There is a special setting that controls how XPression scenes are managed in the app. By default the IsSceneObjectReleaseEnabled value is set to False. It was introduced in build 1.26.4983. This disables the code that explicitly releases the scene COM objects when it no longer needs them. To enable this setting, close the app and then edit the file settings.ini in the folder C:\ProgramData\Bannister Lake\RFD-TV Finance XPression. Finally reopen the app. Enabling this setting has been associated with increased occurrence of the XPression software crashing.

Application Logs

You can access the application logs that provide information on the work the app is doing as well as providing additional debugging and performance information when errors occur. 

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You can read the log via the Help menu. Select the Read Log... option to open the current log file.

Debug and Performance Logging

You can enable extra logging:

• Help menu

  • Logging

    • Debug Logs

    • Performance Logs

Each log type is active when the checkmark is displayed.

The log file will also indicate when the log types were enabled and disabled.

File Access

You can also access the log files in the ProgramData directory which is typically:  
C:\ProgramData\Bannister Lake\RFD-TV Finance XPression\logs

Check for Updates

Both of these apps have a feature that enables you to check for and then download available updates. To check if an update is available:

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