Gets the caching filter object. 
             
             
            
 Syntax
Syntax
            Parameters
- ObjType
- Value that indicates which caching object to retrieve. This must be one of the TargetFormatObject constants.
  
             
             
             Example
Example
 
             | Visual Basic |  Copy Code | 
|---|
| Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub HasCacheDialogExample()
   ' reference the capture control
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
   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 audio device available")
      End If
      capturectrl.VideoDevices("Analog").Selected = True
      ' set the video compressor
      capturectrl.VideoCompressors.Mpeg2.Selected = True
      ' reference the target formats collection
      Dim fmt As TargetFormat = capturectrl.TargetFormats.MPEG2Program
      ' enumerate through the list of formats
      For Each af As TargetFormat In capturectrl.TargetFormats
         ' check the formats valid compressor and stream type
         Dim isValid As Boolean = (af.IsValidCompressor(capturectrl.VideoCompressors.Mpeg2.Name) = TargetFormatCompressor.Valid)
         Dim types As StreamFormatType = af.Streams
         ' if valid, select it
         If isValid AndAlso ((types And StreamFormatType.Video) = StreamFormatType.Video) Then
            fmt = af
            fmt.Selected = True
            Exit For
         End If
      Next af
      ' check to see if the current target format has a cache dialog
      If Not fmt Is Nothing AndAlso fmt.HasCacheDialog(TargetFormatDlg.VideoCompressor) Then
         ' show the dialog
         fmt.ShowCacheDialog(TargetFormatDlg.VideoCompressor, _form)
         ' set the result
         _result = True
      End If
   Catch e1 As Exception
      _result = False
   End Try
End Sub | 
| C# |  Copy Code | 
|---|
| public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void HasCacheDialogExample()
{
   // reference the capture control
   CaptureCtrl capturectrl = _form.CaptureCtrl;
   try
   {
      // set a video device first, you should use your video device name here
      if (capturectrl.VideoDevices["Analog"] == null)
         throw new Exception("No Analog audio device available");
      capturectrl.VideoDevices["Analog"].Selected = true;
      // set the video compressor
      capturectrl.VideoCompressors.Mpeg2.Selected = true;
      // reference the target formats collection
      TargetFormat fmt = capturectrl.TargetFormats.MPEG2Program;
      // enumerate through the list of formats
      foreach (TargetFormat af in capturectrl.TargetFormats)
      {
         // check the formats valid compressor and stream type
         bool isValid = (af.IsValidCompressor(capturectrl.VideoCompressors.Mpeg2.Name) == TargetFormatCompressor.Valid);
         StreamFormatType types = af.Streams;
         // if valid, select it
         if (isValid && ((types & StreamFormatType.Video) == StreamFormatType.Video))
         {
            fmt = af;
            fmt.Selected = true;
            break;
         }
      }
      // check to see if the current target format has a cache dialog
      if (fmt != null && fmt.HasCacheDialog(TargetFormatDlg.VideoCompressor))
      {
         // show the dialog
         fmt.ShowCacheDialog(TargetFormatDlg.VideoCompressor, _form);
         // set the result
         _result = true;
      }
   }
   catch (Exception)
   {
      _result = false;
   }
} | 
  
            
            Remarks
             Requirements
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
See Also