Contains Method (Devices)

C#
Visual Basic
Objective-C
Java
C++

public bool Contains( 
   Device item
)

'Declaration

Public Function Contains( _
   ByVal item As Device _
) As Boolean

'Usage

Dim instance As Devices
Dim item As Device
Dim value As Boolean
 
value = instance.Contains(item)

public:
bool Contains( 
   Device^ item
)

Parameters

item: A Device to search for in the current collection.

Return Value

If true, the device exists in the current collection. Otherwise, is false.

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 IndexContainsExample()
  Try
     ' 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 demonstrate using Devices  IndexOf and Contains
     Dim stream As LiveStream = Streams.CreateLiveStream()

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

     ' get the Device object of the name "@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE48-38C5-11D5-91F6-00104BDB8FF9}"
     ' this is equal to:
     ' Device dev = Devices["@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE48-38C5-11D5-91F6-00104BDB8FF9}"];
     Dim nIndex As Integer = Devices.IndexOf("@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\{E2B7DE48-38C5-11D5-91F6-00104BDB8FF9}")
     Dim dev As Device = Nothing

     If nIndex > -1 Then
       ' access the Device via the collection indexer
       dev = Devices(nIndex)
     End If

     ' check whether the collection contains this item
     ' (it should we just got it with IndexOf above)
     If Devices.Contains(dev) Then
       ' set the result to what we expect
       _result = True
     Else
       _result = False
     End If
  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 IndexContainsExample()
{
   try
   {
      // 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 demonstrate using Devices  IndexOf and Contains
      LiveStream stream = Streams.CreateLiveStream();

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

      // get the Device object of the name "@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE48-38C5-11D5-91F6-00104BDB8FF9}"
      // this is equal to:
      // Device dev = Devices["@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE48-38C5-11D5-91F6-00104BDB8FF9}"];
      int nIndex = Devices.IndexOf("@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE48-38C5-11D5-91F6-00104BDB8FF9}");
      Device dev = null;

      if (nIndex > -1)
         // access the Device via the collection indexer
         dev = Devices[nIndex];

      // check whether the collection contains this item
      // (it should we just got it with IndexOf above)
      if (Devices.Contains(dev))
      {
         // set the result to what we expect
         _result = true;
      }
      else
      {
         _result = false;
      }
   }
   catch (Exception)
   {
      _result = false;
   }
}

Target Platforms

Reference

Devices Class
Devices Members