LEADTOOLS Multimedia (Leadtools.Multimedia assembly)

Clear Method (Processors)

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Example 



Removes all Processor items from the collection.
Syntax
'Declaration
 
Public Sub Clear() 
'Usage
 
Dim instance As Processors
 
instance.Clear()
public void Clear()
public:
void Clear(); 
Remarks
Removes a Processor item from the collection. If the method fails, an error is raised. For more information, refer to the Error Codes.
Example
Copy Code  
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public _form As PlayCtrlForm = New PlayCtrlForm()
Public Sub ClearExample()
   ' reference the play control
   Dim playctrl As PlayCtrl = _form.PlayCtrl

   Try
      ' get the available video processors
      Dim allProcs As VideoProcessors = playctrl.VideoProcessors

      ' get the selected video processors
      Dim selprocs As VideoProcessors = playctrl.SelectedVideoProcessors

      ' add the Dizzy video processor to the selected video 
      ' processors collection
      selprocs.Add(allProcs.EFXDizzy)

      ' get the current count of selected processors
      Dim n As Integer = selprocs.Count

      ' clear the collection
      selprocs.Clear()

      ' get the count again
      Dim m As Integer = selprocs.Count

      ' set the result to what we expect
      _result = (n > m AndAlso m = 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 ClearExample()
{
   // reference the play control
   PlayCtrl playctrl = _form.PlayCtrl;

   try
   {
      // get the available video processors
      VideoProcessors allProcs = playctrl.VideoProcessors;

      // get the selected video processors
      VideoProcessors selprocs = playctrl.SelectedVideoProcessors;

      // add the Dizzy video processor to the selected video 
      // processors collection
      selprocs.Add(allProcs.EFXDizzy);

      // get the current count of selected processors
      int n = selprocs.Count;

      // clear the collection
      selprocs.Clear();

      // get the count again
      int m = selprocs.Count;

      // set the result to what we expect
      _result = (n > m && m == 0);
   }
   catch (Exception)
   {
      _result = false;
   }
}
Requirements

Target Platforms

See Also

Reference

Processors Class
Processors 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