ToggleFullScreenMode Method (ConvertCtrl)

C#
Visual Basic
Objective-C
Java
C++

public virtual void ToggleFullScreenMode()

'Declaration

Public Overridable Sub ToggleFullScreenMode()

'Usage

Dim instance As ConvertCtrl
 
instance.ToggleFullScreenMode()

public:
virtual void ToggleFullScreenMode();

This is a convenient method for toggling the full screen mode on and off. If the method fails, an error is raised.

For more information, refer to the Error Codes.

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

Copy Code

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

Public _result As Boolean = False
Public _exit As Boolean = False
Public _form As ConvertCtrlForm = New ConvertCtrlForm()
Public _convertctrl As ConvertCtrl
Public Sub KeyPressesExample()
   ' reference the convert control
   _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_KeyPressesExample.mp4")

   Try
      ' set the source file
      _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

      ' enable preview
      _convertctrl.Preview = True

      ' set the target output file
      _convertctrl.TargetFile = outFile

      ' subscribe to the key events
      AddHandler _convertctrl.KeyPress, AddressOf KeyPress_Helper

      ' convert it now!
      _convertctrl.StartConvert()
   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

   ' clean up event handlers
   RemoveHandler _convertctrl.KeyPress, AddressOf KeyPress_Helper
End Sub

Private Sub KeyPress_Helper(ByVal sender As Object, ByVal e As Leadtools.MediaFoundation.KeyPressEventArgs)
   Select Case e.keyAscii
      Case CShort("p")
         ' toggle preview mode
         _convertctrl.Preview = Not _convertctrl.Preview
      Case CShort("f")
         ' toggle full screen mode
         _convertctrl.ToggleFullScreenMode()
      Case CShort("s")
         ' stop the conversion
         _convertctrl.StopConvert()
   End Select

   ' set result
   _result = True
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media"
End Class

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

public bool _result = false;
public bool _exit = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public ConvertCtrl _convertctrl;
public void KeyPressesExample()
{
   // reference the convert control
   _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_KeyPressesExample.mp4");

   try
   {
      // set the source file
      _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;

      // enable preview
      _convertctrl.Preview = true;

      // set the target output file
      _convertctrl.TargetFile = outFile;

      // subscribe to the key events
      _convertctrl.KeyPress += KeyPress_Helper;

      // convert it now!
      _convertctrl.StartConvert();
   }
   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();

   // clean up event handlers
   _convertctrl.KeyPress -= KeyPress_Helper;
}

void KeyPress_Helper(object sender, Leadtools.MediaFoundation.KeyPressEventArgs e)
{
   switch ((char)e.keyAscii)
   {
      case 'p':
         // toggle preview mode
         _convertctrl.Preview = !_convertctrl.Preview;
         break;
      case 'f':
         // toggle full screen mode
         _convertctrl.ToggleFullScreenMode();
         break;
      case 's':
         // stop the conversion
         _convertctrl.StopConvert();
         break;
   }

   // set result
   _result = true;
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media";
}

Target Platforms

Reference

ConvertCtrl Class
ConvertCtrl Members