private void UserControlLoaded(UserControl1 control)
{
// The user control should be set here for easy accessibility
// This leaves the UIElement variable alone to be dealt with by the DeskBand parent functionality
deskbandControl = control;
// Provide the function in this class that performs the device enable/disable action
deskbandControl.SetEnabledDisabledDeviceFunction(EnableDisableDevice);
// Provide the function to show the settings window
deskbandControl.SetShowSettingsWindowFunction(ShowSettingsWindow);
// Initialise the connection to the Windows service
if (InitialiseServiceConnection(false))
{
// Get the selected touch screen device hardware ID
try
{
string deviceHardwareId = TTService.GetSelectedHardwareID();
if (deviceHardwareId == null)
{
// If no ID is specified, show the settings window
ShowSettingsWindow();
}
}
catch (CommunicationException)
{
// Do nothing
}
}
// Set up the watcher for hardware changes
WqlEventQuery query = new WqlEventQuery("SELECT * FROM Win32_DeviceChangeEvent");
ManagementEventWatcher watcher = new ManagementEventWatcher(query);
watcher.EventArrived += new EventArrivedEventHandler(HardwareChangeEvent);
watcher.Start();
// Set the serivce connection ticker event
serviceConnectionTicker.Elapsed += (object source, System.Timers.ElapsedEventArgs e2) =>
{
if (TTService != null)
{
// If a connection exists
try
{
// Test the connection
TTService.TestServiceConnection();
}
catch (CommunicationException)
{
// Retry the connection
ServiceCommunicationFailure(false);
}
}
else
{
// Attempt to make a connection
InitialiseServiceConnection(allowUserAdminActionInput: false);
}
};
}