Selected Property

Summary

Gets the compressor's selection state.

Syntax
C#
VB
C++
public bool Selected { get; set; } 
Public Property Selected As Boolean 
public: 
property bool Selected { 
   bool get(); 
   void set (    bool ); 
} 

Property Value

true if the compressor is currently selected; false, otherwise.

Remarks

Assignment could raise an error exception. For more information, refer to the Error Codes.

Example
C#
VB
using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
public void CompressorsExample() 
{ 
   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 video compressors object 
   VideoCompressors compressors = capturectrl.VideoCompressors; 
 
   try 
   { 
      // select an input by name if possible 
      if (compressors.Mpeg2 != null) 
         compressors.Mpeg2.Selected = true; 
 
      // get the current selected input 
      selection = compressors.Selection; 
 
      foreach (Compressor cmp in compressors) 
      { 
         // get the compressor properties 
         inputName = cmp.Name; 
         inputFriendlyName = cmp.FriendlyName; 
         CompressorReliability rel = cmp.Reliability; 
 
         // if we found the video tuner input 
         if (inputFriendlyName == "LEAD H264 Encoder (4.0)" 
            && rel == CompressorReliability.Stable) 
         { 
            // select it and break 
            cmp.Selected = true; 
            break; 
         } 
      } 
 
      // set the result to what we expect 
      _result = (selection != compressors.Selection); 
 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
Imports Leadtools 
Imports Leadtools.Multimedia 
Imports LeadtoolsMultimediaExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As CaptureCtrlForm = New CaptureCtrlForm() 
 
Public Sub CompressorsExample() 
   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 video compressors object 
   Dim compressors As VideoCompressors = capturectrl.VideoCompressors 
 
   Try 
      ' select an input by name if possible 
      If Not compressors.Mpeg2 Is Nothing Then 
         compressors.Mpeg2.Selected = True 
      End If 
 
      ' get the current selected input 
      selection = compressors.Selection 
 
      For Each cmp As Compressor In compressors 
         ' get the compressor properties 
         inputName = cmp.Name 
         inputFriendlyName = cmp.FriendlyName 
         Dim rel As CompressorReliability = cmp.Reliability 
 
         ' if we found the video tuner input 
         If inputFriendlyName = "LEAD H264 Encoder (4.0)" AndAlso rel = CompressorReliability.Stable Then 
            ' select it and break 
            cmp.Selected = True 
            Exit For 
         End If 
      Next cmp 
 
      ' set the result to what we expect 
      _result = (selection <> compressors.Selection) 
 
   Catch e1 As Exception 
      _result = False 
   End Try 
End Sub 
Requirements

Target Platforms

Help Version 20.0.2019.11.25
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Leadtools.Multimedia Assembly