コード例 #1
0
        /// <summary>
        ///     Connect to the portable device
        /// </summary>
        /// <param name="appName"></param>
        /// <param name="majorVersionNumber"></param>
        /// <param name="minorVersionNumber"></param>
        public void ConnectToDevice(string appName, float majorVersionNumber, float minorVersionNumber)
        {
            if (string.IsNullOrEmpty(appName))
            {
                throw new ArgumentNullException("appName");
            }

            //Creating propValues for connection
            var clientValues = (IPortableDeviceValues) new PortableDeviceValuesClass();

            //Set the application name
            _tagpropertykey prop = PortableDevicePKeys.WPD_CLIENT_NAME;

            clientValues.SetStringValue(ref prop, appName);
            //Set the App version
            prop = PortableDevicePKeys.WPD_CLIENT_MAJOR_VERSION;
            clientValues.SetFloatValue(ref prop, majorVersionNumber);
            //Set the app minor version
            prop = PortableDevicePKeys.WPD_CLIENT_MINOR_VERSION;
            clientValues.SetFloatValue(ref prop, minorVersionNumber);

            //Open connection
            PortableDeviceClass.Open(DeviceId, clientValues);

            //Extract device capabilities
            ExtractDeviceCapabilities();

            eventCallback = new PortableDeviceEventCallback(this);
            // According to documentation pParameters should be null (see http://msdn.microsoft.com/en-us/library/dd375684%28v=VS.85%29.aspx )
            PortableDeviceClass.Advise(0, eventCallback, null, out adviseCookie);

            IsConnected = true;
        }