CopyTo Method (Devices)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Sub CopyTo( _
   ByVal array() As Device, _
   ByVal arrayIndex As Integer _
)

'Usage
 
Dim instance As Devices
Dim array() As Device
Dim arrayIndex As Integer
 
instance.CopyTo(array, arrayIndex)

public void CopyTo( 
   Device[] array,
   int arrayIndex
)

public:
void CopyTo( 
   array<Device^>^ array,
   int arrayIndex
)

Parameters

array: The one-dimensional, zero-based array that is the destination of the items to be copied from the collection.
arrayIndex: The zero-based index in the destination array at which copying begins.

Exception	Description
System.ArgumentNullException	The exception that is thrown when a null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.
System.ArgumentOutOfRangeException	The exception that is thrown when the value of an argument is outside the allowable range of values as defined by the invoked method.
System.ArgumentException	The exception that is thrown when one of the arguments provided to a method is not valid.

Copies the items of the collection to a Device array, starting at a specified array index.

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

Copy Code

Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CopyToExample()
   ' reference the capture control and it's video inputs
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
   Dim devices As Devices = capturectrl.VideoDevices

   Try
      ' set a video device first, you should use your video device name here
      If capturectrl.VideoDevices("Analog") Is Nothing Then
         Throw New Exception("No Analog video tuner device available")
      End If

      capturectrl.VideoDevices("Analog").Selected = True

      ' allocate a new array for the copied video devices
      Dim copiedDevices As Device() = New Device(devices.Count - 1) {}

      ' copy them
      devices.CopyTo(copiedDevices, 0)

      ' set the result to what we expect
      _result = (copiedDevices.Length = devices.Count)
   Catch e1 As Exception
      _result = False
   End Try
End Sub

using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void CopyToExample()
{
   // reference the capture control and its video inputs
   CaptureCtrl capturectrl = _form.CaptureCtrl;
   Devices devices = capturectrl.VideoDevices;

   try
   {
      // set a video device first.  use your video device's name here
      if (capturectrl.VideoDevices["Analog"] == null)
         throw new Exception("No Analog video tuner device available");

      capturectrl.VideoDevices["Analog"].Selected = true;

      // allocate a new array for the copied video devices
      Device[] copiedDevices = new Device[devices.Count];

      // copy them
      devices.CopyTo(copiedDevices, 0);

      // set the result to what we expect
      _result = (copiedDevices.Length == devices.Count);
   }
   catch (Exception)
   {
      _result = false;
   }
}

Target Platforms

Reference

Devices Class
Devices Members