Gets a value that indicates whether closed captioning is enabled.
Syntax
Visual Basic (Declaration) | |
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Public Overridable Property ClosedCaptioning As Boolean |
Visual Basic (Usage) | Copy Code |
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Dim instance As PlayCtrl
Dim value As Boolean
instance.ClosedCaptioning = value
value = instance.ClosedCaptioning |
C# | |
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public virtual bool ClosedCaptioning {get; set;} |
C++/CLI | |
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public:
virtual property bool ClosedCaptioning {
bool get();
void set ( bool value);
} |
Property Value
true if closed captioning is enabled; false, if closed captioning is disabled. the default value is false.
Example
Visual Basic | Copy Code |
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Public _result As Boolean = False
Public _form As PlayCtrlForm = New PlayCtrlForm()
Public _playctrl As PlayCtrl
Public Sub ClosedCaptioningExample()
' reference the capture control
_playctrl = _form.PlayCtrl
' input file names
Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "VIDEO_TS.IFO")
Try
' turn off auto start
_playctrl.AutoStart = False
' use DVD source
_playctrl.UseDVDSource = True
' set the allowed stream types
_playctrl.AllowedStreams = StreamFormatType.AudioVideoCC
' set the source file
_playctrl.SourceFile = inFile
' check if closed captioning is enabled
If _playctrl.ClosedCaptioning = False Then
' try to toggle closed captioning
_playctrl.ToggleClosedCaptioning()
End If
' if closed captioning is available
If _playctrl.ClosedCaptioning Then
' set the result
_result = True
End If
' start the playback
_playctrl.Run()
' 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 _playctrl.State = PlayState.Running
Application.DoEvents()
Loop
Catch e1 As Exception
_result = False
End Try
End Sub
Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media"
End Class |
C# | Copy Code |
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public bool _result = false;
public PlayCtrlForm _form = new PlayCtrlForm();
public PlayCtrl _playctrl;
public void ClosedCaptioningExample()
{
// reference the capture control
_playctrl = _form.PlayCtrl;
// input file names
string inFile =Path.Combine(LEAD_VARS.MediaDir,"VIDEO_TS.IFO");
try
{
// turn off auto start
_playctrl.AutoStart = false;
// use DVD source
_playctrl.UseDVDSource = true;
// set the allowed stream types
_playctrl.AllowedStreams = StreamFormatType.AudioVideoCC;
// set the source file
_playctrl.SourceFile = inFile;
// check if closed captioning is enabled
if (_playctrl.ClosedCaptioning == false)
{
// try to toggle closed captioning
_playctrl.ToggleClosedCaptioning();
}
// if closed captioning is available
if (_playctrl.ClosedCaptioning)
{
// set the result
_result = true;
}
// start the playback
_playctrl.Run();
// 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 (_playctrl.State == PlayState.Running)
Application.DoEvents();
}
catch (Exception)
{
_result = false;
}
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media";
} |
Remarks
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7
See Also