LEADTOOLS Multimedia (Leadtools.Multimedia assembly)

Constants.PreferredFilters Class

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Example 



Members 
The PreferredFilters static class contains constant string values for predefined values that can be used to identify preferred filters.

It contains the "Don't Care", "LEAD Default" strings as well as defines for the display names of the most common LEAD filters.

Object Model
Syntax
'Declaration
 
Public MustInherit NotInheritable Class Constants.PreferredFilters 
'Usage
 
Dim instance As Constants.PreferredFilters
public static class Constants.PreferredFilters 
public ref class Constants.PreferredFilters abstract sealed 
Remarks
The constants in this class are designed to be used with the ConvertCtrl.SetPreferredFilter, ConvertCtrl.GetPreferredFilter, PlayCtrl.GetPreferredFilter and PlayCtrl.SetPreferredFilter methods.
Example
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Imports Leadtools
   Imports Leadtools.Multimedia
   Imports LeadtoolsMultimediaExamples.Fixtures

   Public _result As Boolean = False
   Public _form As PlayCtrlForm = New PlayCtrlForm()
   Public Sub PlayerPreferredFiltersExample()
       Try
           ' reference the forms capture control
           Dim playctrl As PlayCtrl = _form.PlayCtrl

           ' set the preferred mpeg2 decoder to the LEAD default (which is the LEAD MPEG2 Decoder)
      playctrl.SetPreferredFilter(PreferredFilter.MPEG2Decompressor, _
                                  Leadtools.Multimedia.Constants.PreferredFilters.LEADDefault)

      ' the default mpeg2 decoder should be the LEAD MPEG2 decoder now
      ' the filter names are not case sensitive, so do ignore the case in the compare
      _result = (String.Compare(playctrl.GetPreferredFilter(PreferredFilter.MPEG2Decompressor), _
                                Leadtools.Multimedia.Constants.PreferredFilters.MPEG2Decompressor, True) = 0)
   Catch e1 As Exception
      _result = False
   End Try
End Sub
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public PlayCtrlForm _form = new PlayCtrlForm();
public void PlayerPreferredFiltersExample()
{
   PlayCtrl playctrl = _form.PlayCtrl;

   try
   {
      // set the preferred mpeg2 decoder to the LEAD default (which is the LEAD MPEG2 Decoder)
      playctrl.SetPreferredFilter(PreferredFilter.MPEG2Decompressor, Constants.PreferredFilters.LEADDefault);

      // the default mpeg2 decoder should be the LEAD MPEG2 decoder now
      // the filter names are not case sensitive, so ignore case in the compare
      _result = (string.Compare(playctrl.GetPreferredFilter(PreferredFilter.MPEG2Decompressor),
                 Constants.PreferredFilters.MPEG2Decompressor, true) == 0);
   }
   catch (Exception)
   {
      _result = false;
   }
}
Requirements

Target Platforms

See Also

Reference

Constants.PreferredFilters Members
Leadtools.Multimedia Namespace
GetPreferredFilter Method
SetPreferredFilter Method
GetPreferredFilter Method
SetPreferredFilter Method

 

 


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