Gets the analog video TV standards supported by the installed tuner. 
         
             
            
Syntax
             
             
            Property Value
A 
AnalogVideoStandard enumeration value indicating the standard format types available.
  
             
             
            
Example
 
             | Visual Basic |  Copy Code | 
|---|
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub AvailableTVFormatsExample()
   ' reference the forms capture control and tv tuner
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
   Try
      ' select the first device with analog in it's name
      ' Replace "Analog" with your video capture device name
      If capturectrl.VideoDevices("Analog") Is Nothing Then
         Throw New Exception("No Analog video devices available!")
      End If
      capturectrl.VideoDevices("Analog").Selected = True
      ' get the TV Tuner device
      Dim tvtuner As TVTuner = capturectrl.TVTuner
      ' Check if TV tuner is valid
      If Not tvtuner Is Nothing Then
         ' get the available TV formats
         Dim formats As AnalogVideoStandard = tvtuner.AvailableTVFormats
         ' check the returned formats for NTSC_M and set the result to what we expect
         If (formats And AnalogVideoStandard.NTSC_M) = AnalogVideoStandard.NTSC_M Then
            ' set the result
            If tvtuner.TVFormat = AnalogVideoStandard.NTSC_M Then
               _result = True
            End If
         End If
      End If
   Catch e1 As Exception
      _result = False
   End Try
   ' we'll loop on the state and pump messages for this example.
   ' but you should not need to if running from a Windows Forms application.
   Do While capturectrl.State = CaptureState.Running
      Application.DoEvents()
   Loop
End Sub | 
 
| C# |  Copy Code | 
|---|
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void AvailableTVFormatsExample()
{
   // reference the forms capture control and tv tuner
   CaptureCtrl capturectrl = _form.CaptureCtrl;
   try
   {
      // select the first device with analog in it's name
      // Replace "Analog" with your video capture device name
      if (capturectrl.VideoDevices["Analog"] == null)
         throw new Exception("No Analog video devices available!");
      capturectrl.VideoDevices["Analog"].Selected = true;
      // get the TV Tuner device
      TVTuner tvtuner = capturectrl.TVTuner;
      // Check if TV tuner is valid
      if (tvtuner != null)
      {
         // get the available TV formats
         AnalogVideoStandard formats = tvtuner.AvailableTVFormats;
         // check the returned formats for NTSC_M and set the result to what we expect
         if ((formats & AnalogVideoStandard.NTSC_M) == AnalogVideoStandard.NTSC_M)
         {
            // set the result
            if (tvtuner.TVFormat == AnalogVideoStandard.NTSC_M)
               _result = true;
         }
      }
   }
   catch (Exception)
   {
      _result = false;
   }
   // we'll loop on the state and pump messages for this example.
   // but you should not need to if running from a Windows Forms application.
   while (capturectrl.State == CaptureState.Running)
      Application.DoEvents();
} | 
 
  
            
            Remarks
            
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7 
 
            
            
See Also