VideoWindowLeft Property (ConvertCtrl)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overridable ReadOnly Property VideoWindowLeft As Integer

'Usage
 
Dim instance As ConvertCtrl
Dim value As Integer
 
value = instance.VideoWindowLeft

public virtual int VideoWindowLeft {get;}

public:
virtual property int VideoWindowLeft {
   int get();
}

Property Value

A value representing the left position of the video window in pixels.

This value is relative to the Window property.

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 ConvertCtrlForm = New ConvertCtrlForm()
Public Sub VideoWindowExample()
   ' reference the play control
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl

   ' input and output files
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi")
   Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_VideoWindowExample.mp4")

   Try
      ' set the source for conversion
      convertctrl.SourceFile = inFile

      ' select MP4 target format
      convertctrl.TargetFormat = TargetFormatType.MP4

      ' select H264 video target format
      Dim index As Integer = -1
      Dim trgvideoformats As TargetVideoFormats = convertctrl.TargetFormats(convertctrl.TargetFormat).VideoFormats
      index = trgvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}") ' H264
      trgvideoformats.Selection = index

      ' select AAC audio target format
      Dim trgaudioformats As TargetAudioFormats = convertctrl.TargetFormats(convertctrl.TargetFormat).AudioFormats
      index = trgaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}") ' AAC
      trgaudioformats.Selection = index

      ' set the target output file and format
      convertctrl.TargetFile = outFile

      ' enable preview
      convertctrl.Preview = True

      ' play it!
      convertctrl.StartConvert()

      ' get the video and video window info
      Dim vwt As Integer = convertctrl.VideoWindowTop
      Dim vwl As Integer = convertctrl.VideoWindowLeft
      Dim vwh As Integer = convertctrl.VideoWindowHeight
      Dim vww As Integer = convertctrl.VideoWindowWidth
      Dim vh As Integer = convertctrl.VideoHeight
      Dim vw As Integer = convertctrl.VideoWidth
      Dim sm As SizeMode = convertctrl.VideoWindowSizeMode
      Dim isFullScreen As Boolean = convertctrl.FullScreenMode

      If vw > vww AndAlso vh > vwh AndAlso sm <> SizeMode.Fit Then
         convertctrl.VideoWindowSizeMode = SizeMode.Fit
      ElseIf vw < vww AndAlso vh < vwh Then
         convertctrl.VideoWindowSizeMode = SizeMode.Stretch
      End If

      ' set the result
      _result = (convertctrl.VideoWindow <> IntPtr.Zero)
   Catch e1 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.
   Do While convertctrl.State = ConvertState.Running
      Application.DoEvents()
   Loop
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"
End Class

using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;

public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void VideoWindowExample()
{
   // reference the play control
   ConvertCtrl convertctrl = _form.ConvertCtrl;

   // input and output files
   string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi");
   string outFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_VideoWindowExample.mp4");

   try
   {
      // set the source for conversion
      convertctrl.SourceFile = inFile;

      // select MP4 target format
      convertctrl.TargetFormat = TargetFormatType.MP4;

      // select H264 video target format
      int index = -1;
      TargetVideoFormats targetvideoformats = convertctrl.TargetFormats[convertctrl.TargetFormat].VideoFormats;
      index = targetvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}");// H264
      targetvideoformats.Selection = index;

      // select AAC audio target format
      TargetAudioFormats targetaudioformats = convertctrl.TargetFormats[convertctrl.TargetFormat].AudioFormats;
      index = targetaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}");// AAC
      targetaudioformats.Selection = index;

      // set the target output file and format
      convertctrl.TargetFile = outFile;

      // enable preview
      convertctrl.Preview = true;

      // play it!
      convertctrl.StartConvert();

      // get the video and video window info
      int vwt = convertctrl.VideoWindowTop;
      int vwl = convertctrl.VideoWindowLeft;
      int vwh = convertctrl.VideoWindowHeight;
      int vww = convertctrl.VideoWindowWidth;
      int vh = convertctrl.VideoHeight;
      int vw = convertctrl.VideoWidth;
      SizeMode sm = convertctrl.VideoWindowSizeMode;
      bool isFullScreen = convertctrl.FullScreenMode;

      if (vw > vww && vh > vwh && sm != SizeMode.Fit)
         convertctrl.VideoWindowSizeMode = SizeMode.Fit;
      else if (vw < vww && vh < vwh)
         convertctrl.VideoWindowSizeMode = SizeMode.Stretch;

      // set the result
      _result = (convertctrl.VideoWindow != IntPtr.Zero);
   }
   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 (convertctrl.State == ConvertState.Running)
      Application.DoEvents();
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media";
}

Target Platforms

Reference

ConvertCtrl Class
ConvertCtrl Members
VideoWindow Property
VideoWindowTop Property
VideoWindowWidth Property
VideoWindowHeight Property