'Declaration
 
Public Shared ReadOnly Property IsAvailable As Boolean

'Usage
 
Dim value As Boolean
 
value = ImGearTWAIN.IsAvailable

public static bool IsAvailable {get;}

public: __property static bool get_IsAvailable();

public:
static property bool IsAvailable {
   bool get();
}

Property Value

You should always check this property before using the ImGearTWAIN class. Attempting to use the ImGearTWAIN class when the TWAIN technology of ImageGear for Silverlight is not available to the application will result in an exception.

The TWAIN technology of ImageGear for Silverlight relies on the Automation feature in Silverlight, therefore the value of this property will always be false if the Automation feature in Silverlight is not available. Use the System.Runtime.InteropServices.Automation.AutomationFactory.IsAvailable property to determine if the Automation feature in Silverlight is available.

The TWAIN technology of ImageGear for Silverlight relies on one or more COM components being installed on the system that the application is running on. If all of these components are not installed on the system then the value of this property will be false; otherwise, the value will be true.

Reference