IndexOf(Int32,Int32) Method

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public int IndexOf( 
   int Width,
   int Height
)

'Declaration
 
Public Overloads Function IndexOf( _
   ByVal Width As Integer, _
   ByVal Height As Integer _
) As Integer

'Usage
 
Dim instance As CaptureSizes
Dim Width As Integer
Dim Height As Integer
Dim value As Integer
 
value = instance.IndexOf(Width, Height)

public int IndexOf( 
   int Width,
   int Height
)

 function Leadtools.Multimedia.CaptureSizes.IndexOf(Int32,Int32)( 
   Width ,
   Height 
)

public:
int IndexOf( 
   int Width,
   int Height
)

Parameters

Width: Video width to find.
Height: Video height to find.

Return Value

The zero-based index of the found item; otherwise, -1 if no item found.

Gets the zero-based index of the size that matches the specified size.

If the method fails, an error is raised. For more information, refer to the Error Codes.

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

Copy Code

Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub IndexContainsExample()
   Try
      ' reference the form capture control
      Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

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

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

      ' reference the video capture sizes collection
      Dim sizes As CaptureSizes = capturectrl.VideoCaptureSizes

      ' check for 640x480
      Dim i As Integer = sizes.IndexOf(640, 480)

      ' access the input via the collection indexer
      Dim cs As CaptureSize = sizes(i)

      ' check if the collection contains this input 
      ' (it should we just got it with IndexOf above!)
      If sizes.Contains(cs) Then
         ' set the result to what we expect
         _result = True
      End If
   Catch e1 As Exception
      _result = False
   End Try
End Sub

public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void IndexContainsExample()
{
   try
   {
      // reference the form capture control
      CaptureCtrl capturectrl = _form.CaptureCtrl;

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

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

      // reference the video capture sizes collection
      CaptureSizes sizes = capturectrl.VideoCaptureSizes;

      // check for 640x480
      int i = sizes.IndexOf(640, 480);

      // access the input via the collection indexer
      CaptureSize cs = sizes[i];

      // check whether the collection contains this input 
      // (it should since we just got it with IndexOf above!)
      if (sizes.Contains(cs))
      {
         // set the result to what we expect
         _result = true;
      }
   }
   catch (Exception)
   {
      _result = false;
   }
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

CaptureSizes Class
CaptureSizes Members
Overload List