LEADTOOLS Multimedia (Leadtools.MediaFoundation assembly)

ToggleFullScreenMode Method (ConvertCtrl)

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Example 



Switched the state of the full screen mode.
Syntax
'Declaration
 
Public Overridable Sub ToggleFullScreenMode() 
'Usage
 
Dim instance As ConvertCtrl
 
instance.ToggleFullScreenMode()
public virtual void ToggleFullScreenMode()
public:
virtual void ToggleFullScreenMode(); 
Remarks
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.

Example
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 18\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 18\Media";
}
Requirements

Target Platforms

See Also

Reference

ConvertCtrl Class
ConvertCtrl Members

 

 


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