/// <summary>
/// When an entry is selected from the list of devices, we will connect to the device.
/// If a device was previously connected, disconnect from that device first before connecting to the new device.
/// </summary>
/// <param name="sender"></param>
/// <param name="eventArgs"></param>
private void ConnectDevices_SelectChanged(Object sender, SelectionChangedEventArgs eventArgs)
{
var deviceList = (ListBox)sender;
var selection = deviceList.SelectedItems;
DeviceListEntry entry = null;
if (selection.Count > 0)
{
var obj = selection[0];
entry = (DeviceListEntry)obj;
}
var currentlySelectedId = (DeviceList.Current.IsDeviceConnected
? DeviceList.Current.CurrentDeviceEntry.Id
: null);
var newlySelectedId = (entry != null) ? entry.Id : null;
// If we were already connected to another device, disconnect from that device.
if (currentlySelectedId != null)
{
CloseDevice();
}
if (newlySelectedId != null)
{
OpenDevice(newlySelectedId);
}
}
/// <summary>
/// Saves the previously opened device's id so that it can be used to reopen a device.
/// Sets the current device and it's device entry.
/// </summary>
public void SetCurrentDevice(String id, HidDevice device)
{
if (IsDeviceConnected)
{
previousDeviceId = currentDeviceEntry.Id;
}
currentDevice = device;
currentDeviceEntry = FindDevice(id);
}
public void AddDeviceToList(DeviceInformation deviceInformation)
{
// search the device list for a device with a matching interface ID
var match = FindDevice(deviceInformation.Id);
// Add the device if it's new
if (match == null)
{
// Create a new element for this device interface, and queue up the query of its
// device information
match = new DeviceListEntry(deviceInformation);
// Add the new element to the end of the list of devices
listOfDevices.Add(match);
}
}
