In This Topic ▼

Selection Property

Summary

Gets or sets the zero-based index of the currently selected TargetFormat item.

Syntax

C++/CLI

public int Selection { get; set; }

public: 
property int Selection { 
   int get(); 
   void set (    int ); 
}

Property Value

The zero-based index of the selected item; otherwise -1 if no item is selected.

Remarks

Gets or sets the zero-based index of the currently selected TargetFormat item. Assignment could raise an error exception. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
public void TargetFormatsExample() 
{ 
   // reference the capture control 
   CaptureCtrl capturectrl = _form.CaptureCtrl; 
 
   try 
   { 
      // set the video capture device. use your capture device's name here 
      if (capturectrl.VideoDevices["USB"] == null) 
         throw new Exception("No USB video device available"); 
 
      capturectrl.VideoDevices["USB"].Selected = true; 
 
      // set the audio capture device. use your capture device's name here 
      if (capturectrl.AudioDevices["USB"] == null) 
         throw new Exception("No USB audio device available"); 
 
      capturectrl.AudioDevices["USB"].Selected = true; 
 
      // no recompression for video and audio 
      capturectrl.VideoCompressors.Mpeg2.Selected = true; 
      capturectrl.AudioCompressors.AC3.Selected = true; 
 
      // select the DVD target format 
      capturectrl.TargetFormats[TargetFormatType.DVD].Selected = true; 
 
      // get the current selected input 
      int n = capturectrl.TargetFormats.Selection; 
 
      // loop through the target formats and set a different one 
      foreach (TargetFormat t in capturectrl.TargetFormats) 
      { 
         // get the format properties 
         string name = t.Name; 
         string sink = t.Sink; 
         string sinkSubType = t.SinkSubType; 
         string audio = t.AudioCompressor; 
         string video = t.VideoCompressor; 
         string sRecAudio = t.RecommendedAudioCompressor; 
         string sRecVideo = t.RecommendedVideoCompressor; 
         string mux = t.Mux; 
         string avMux = t.AVMux; 
         StreamFormatType sft = t.Streams; 
 
         // if we found the video tuner input 
         if (name == "AVI") 
         { 
            // select it and break 
            t.Selected = true; 
            break; 
         } 
      } 
 
      // check it directly 
      TargetFormatType tft = capturectrl.TargetFormat; 
 
      // set the result to what we expect 
      _result = (tft != TargetFormatType.DVD && n != capturectrl.TargetFormats.Selection); 
   } 
   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(); 
}

Requirements

Target Platforms

Reference

TargetFormats Class

TargetFormats Members

Download our FREE evaluation

Help Version 22.0.2022.12.7

Leadtools.Multimedia Assembly

Introduction

Getting Started

Namespaces

Leadtools.Multimedia Namespace

Leadtools.Multimedia.Common Namespace

Assemblies