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ToggleFullScreenMode Method

Summary

Switched the state of the full screen mode.

Syntax

C#
VB
C++
public virtual void ToggleFullScreenMode() 
Public Overridable Sub 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

C#
VB
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"; 
} 
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 

Requirements

Target Platforms

Help Version 19.0.2017.10.19
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Leadtools.MediaFoundation Assembly