LEADTOOLS Multimedia (Leadtools.Multimedia assembly)
LEAD Technologies, Inc

VideoInputs Property

Example 





Gets the video input collection object.
Syntax
public virtual CaptureInputs VideoInputs {get;}
'Declaration
 
Public Overridable ReadOnly Property VideoInputs As CaptureInputs
'Usage
 
Dim instance As CaptureCtrl
Dim value As CaptureInputs
 
value = instance.VideoInputs
public virtual CaptureInputs VideoInputs {get;}
 get_VideoInputs(); 
public:
virtual property CaptureInputs^ VideoInputs {
   CaptureInputs^ get();
}

Property Value

A CaptureInputs collection containing video inputs.
Remarks
Gets the CaptureInputs collection object that contains video inputs. The CaptureInput object is used to enumerate the available video capture inputs.
Example
Copy CodeCopy Code  
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CaptureInputsExample()
  Dim inputName, inputFriendlyName As String
  Dim selection As Integer

  ' reference the capture control
  Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

  ' select a video device, use your device name here instead of Analog
  If capturectrl.VideoDevices("Analog") Is Nothing Then
     Throw New Exception("No Analog video tuner device available")
  End If

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

  ' get the audio inputs object
  Dim inputs As CaptureInputs = capturectrl.VideoInputs

  Try
     ' select an input by name if possible
     If Not inputs("Video Composite") Is Nothing Then
       inputs("Video Composite").Selected = True
     End If

     ' get the current selected input
     selection = inputs.Selection

     For Each ci As CaptureInput In inputs
       ' get the inputs properties
       inputName = ci.Name
       inputFriendlyName = ci.FriendlyName

       ' if we found the video tuner input
       If inputFriendlyName = "Video Tuner" Then
         ' select it and break
         ci.Selected = True
         Exit For
       End If
     Next ci

     ' set the result to what we expect
     _result = (selection <> inputs.Selection)

  Catch e1 As Exception
     _result = False
  End Try
End Sub
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void CaptureInputsExample()
{
   string inputName, inputFriendlyName;
   int selection;

   // reference the capture control
   CaptureCtrl capturectrl = _form.CaptureCtrl;

   // select a video device, use your device's name here instead of Analog
   if (capturectrl.VideoDevices["Analog"] == null)
      throw new Exception("No Analog video tuner device available");

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

   // get the audio inputs object
   CaptureInputs inputs = capturectrl.VideoInputs;

   try
   {
      // select an input by name if possible
      if (inputs["Video Composite"] != null)
         inputs["Video Composite"].Selected = true;

      // get the current selected input
      selection = inputs.Selection;

      foreach (CaptureInput ci in inputs)
      {
         // get the inputs properties
         inputName = ci.Name;
         inputFriendlyName = ci.FriendlyName;

         // if we found the video tuner input
         if (inputFriendlyName == "Video Tuner")
         {
            // select it and break
            ci.Selected = true;
            break;
         }
      }

      // set the result to what we expect
      _result = (selection != inputs.Selection);

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

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

See Also

Reference

CaptureCtrl Class
CaptureCtrl Members

 

 


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Leadtools.Multimedia requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features