Add Method (TargetFormats)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Sub Add( _
   ByVal item As TargetFormat _
)

'Usage
 
Dim instance As TargetFormats
Dim item As TargetFormat
 
instance.Add(item)

public void Add( 
   TargetFormat item
)

public:
void Add( 
   TargetFormat^ item
)

Parameters

item: The TargetFormat item to add.

Adds a TargetFormat item to the collection. Be sure to set the properties of the added format. If the method fails, an error is raised. For more information, refer to the Error Codes.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

Public _result As Boolean = False
Public _form As New CaptureCtrlForm()
Public Sub TargetFormatsExample()
    ' reference the capture control
    Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

    Try
        ' set the video capture device, use your capture device name here
        If capturectrl.VideoDevices("USB") Is Nothing Then
            Throw New Exception("No USB video device available")
        End If

        capturectrl.VideoDevices("USB").Selected = True

        ' set the audio capture device, use your capture device name here
        If capturectrl.AudioDevices("USB") Is Nothing Then
            Throw New Exception("No USB audio device available")
        End If

        capturectrl.AudioDevices("USB").Selected = True

        ' select the MP4 target format
        capturectrl.TargetFormats(TargetFormatType.MP4).Selected = True

        ' get the current selected input
        Dim n As Integer = capturectrl.TargetFormats.Selection

        ' loop through the target formats and set a different one
        For Each t As TargetFormat In capturectrl.TargetFormats
            ' get the format properties
            Dim name As String = t.Name
            Dim sft As StreamFormatType = t.Streams

            ' if we found the video tuner input
            If name = "WMV" Then
                ' select it and break
                t.Selected = True
                Exit For
            End If
        Next

        ' check it directly
        Dim tft As TargetFormatType = capturectrl.TargetFormat

        ' set the result to what we expect
        _result = (tft <> TargetFormatType.MP4 AndAlso n <> capturectrl.TargetFormats.Selection)
    Catch generatedExceptionName As Exception
        _result = False
    End Try

    ' 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()
    End While
End Sub

using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.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 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 name here
      if (capturectrl.AudioDevices["USB"] == null)
         throw new Exception("No USB audio device available");

      capturectrl.AudioDevices["USB"].Selected = true;

      // select the MP4 target format
      capturectrl.TargetFormats[TargetFormatType.MP4].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;
         StreamFormatType sft = t.Streams;

         // if we found the video tuner input
         if (name == "WMV")
         {
            // 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.MP4 && 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();
}

Target Platforms

Reference

TargetFormats Class
TargetFormats Members