Count Property (Devices)

C#
Visual Basic
Objective-C
Java
C++

public int Count {get;}

'Declaration

Public ReadOnly Property Count As Integer

'Usage

Dim instance As Devices
Dim value As Integer
 
value = instance.Count

public:
property int Count {
   int get();
}

Property Value

The number of items (devices) contained in the collection.

(Read-only). Gets the total number of devices.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.MediaStreaming

Public _server As Server = Nothing
Public _result As Boolean = False

Public Sub PrintCaptureDevicesExample()
  Try
     Dim strDevices As String = ""

     ' create an instance of the server object
     _server = New Leadtools.MediaStreaming.Server()

     ' retrieve a copy of the Live Streams
     Dim Streams As LiveStreams = _server.GetLiveStreams()

     ' create live stream just to enumerate the devices
     Dim stream As LiveStream = Streams.CreateLiveStream()

     ' print the capture devices to a string
     strDevices &= "--- Live Stream Devices---" & Constants.vbLf + Constants.vbLf

     'Get the Video Devices 
     Dim VideoDevices As Devices = stream.VideoDevices

     strDevices &= String.Format("--- Video Devices (count = {0}) ---" & Constants.vbLf + Constants.vbLf, VideoDevices.Count.ToString())

     ' Print Video Devices
     Dim nIndex As Integer = 0
     For Each Device As Device In VideoDevices
       strDevices &= String.Format("Device[{0}]: FriendlyName = ""{1}""." & Constants.vbLf, nIndex.ToString(), Device.FriendlyName)
       strDevices &= String.Format("Name =  ""{0}""." & Constants.vbLf, nIndex.ToString(), Device.Name)
       If Device.Selected Then
         strDevices &= "Selected = ""true"" " & Constants.vbLf
       Else
         strDevices &= "Selected = ""false"" " & Constants.vbLf
       End If

       nIndex += 1
     Next Device

     'Get the Audio Devices 
     Dim AudioDevices As Devices = stream.AudioDevices

     strDevices &= String.Format("--- Audio Devices (count = {0}) ---" & Constants.vbLf + Constants.vbLf, AudioDevices.ToString())

     ' Print Audio Devices
     nIndex = 0
     For Each Device As Device In AudioDevices
       strDevices &= String.Format("Device[{0}]: FriendlyName = ""{1}""." & Constants.vbLf, nIndex.ToString(), Device.FriendlyName)
       strDevices &= String.Format("Name =  ""{0}""." & Constants.vbLf, nIndex.ToString(), Device.Name)
       If Device.Selected Then
         strDevices &= "Selected = ""true"" " & Constants.vbLf
       Else
         strDevices &= "Selected = ""false"" " & Constants.vbLf
       End If

       nIndex += 1
     Next Device

     ' display a message contains the Devices information string
     MessageBox.Show(strDevices, "LEADTOOLS Media Streaming Examples", MessageBoxButtons.OK, MessageBoxIcon.Information)

     _result = True
  Catch e1 As Exception
     _result = False
  End Try
End Sub

using Leadtools;
using Leadtools.MediaStreaming;

public Server _server = null;
public bool _result = false;

public void PrintCaptureDevicesExample()
{
   try
   {
      string strDevices = "";

      // create an instance of the server object
      _server = new Leadtools.MediaStreaming.Server();

      // retrieve a copy of the Live Streams
      LiveStreams Streams = _server.GetLiveStreams();

      // create live stream just to enumerate the devices
      LiveStream stream = Streams.CreateLiveStream();

      // print the capture devices to a string
      strDevices += "--- Live Stream Devices---\n\n";

      //Get the Video Devices 
      Devices VideoDevices = stream.VideoDevices;

      strDevices += string.Format("--- Video Devices (count = {0}) ---\n\n", VideoDevices.Count.ToString());

      // Print Video Devices
      int nIndex = 0;
      foreach (Device Device in VideoDevices)
      {
         strDevices += string.Format("Device[{0}]: FriendlyName = \"{1}\".\n", nIndex.ToString(), Device.FriendlyName);
         strDevices += string.Format("Name =  \"{0}\".\n", nIndex.ToString(), Device.Name);
         if (Device.Selected)
            strDevices += "Selected = \"true\" \n";
         else
            strDevices += "Selected = \"false\" \n";

         nIndex++;
      }

      //Get the Audio Devices 
      Devices AudioDevices = stream.AudioDevices;

      strDevices += string.Format("--- Audio Devices (count = {0}) ---\n\n", AudioDevices.ToString());

      // Print Audio Devices
      nIndex = 0;
      foreach (Device Device in AudioDevices)
      {
         strDevices += string.Format("Device[{0}]: FriendlyName = \"{1}\".\n", nIndex.ToString(), Device.FriendlyName);
         strDevices += string.Format("Name =  \"{0}\".\n", nIndex.ToString(), Device.Name);
         if (Device.Selected)
            strDevices += "Selected = \"true\" \n";
         else
            strDevices += "Selected = \"false\" \n";

         nIndex++;
      }

      // display a message contains the Devices information string
      MessageBox.Show(strDevices, "LEADTOOLS Media Streaming Examples", MessageBoxButtons.OK, MessageBoxIcon.Information);

      _result = true;
   }
   catch (Exception)
   {
      _result = false;
   }
}

Target Platforms

Reference

Devices Class
Devices Members