Saves some or all of the play object settings to a stream.
Syntax
Visual Basic (Usage) | Copy Code |
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Dim instance As PlayCtrl
Dim targetStream As Stream
Dim flags As PlaySettings
instance.SaveSettingsToStream(targetStream, flags) |
Parameters
- targetStream
- The stream to which settings will be saved.
- flags
- The PlaySettings enumeration values specifying which settings to save.
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 _streamSettings As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_ObjectSettingsExample_Stream.xml")
Public _fileSettings As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_ObjectSettingsExample.xml")
Public Sub ObjectSettingsExample()
' reference the play control
_playctrl = _form.PlayCtrl
' input files
Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi")
Try
Dim pVideoDizzy As Processor = _playctrl.VideoProcessors.EFXDizzy
' set a video processor
_playctrl.SelectedVideoProcessors.Add(pVideoDizzy)
' save the settings to a file
If SaveFileSettings() Then
' now clear the selected processors again
_playctrl.SelectedVideoProcessors.Clear()
' check if stream file exists
If File.Exists(_fileSettings) Then
' load the saved settings from a file
' and check if the processor is selected again
LoadFileSettings()
' set the result
_result = _playctrl.SelectedVideoProcessors.Contains(pVideoDizzy)
End If
End If
' save the settings to a stream
If SaveStreamSettings() Then
' now clear the selected processors again
_playctrl.SelectedVideoProcessors.Clear()
' check if stream file exists
If File.Exists(_streamSettings) Then
' load the saved settings from a stream
' and check if the processor is selected again
LoadStreamSettings()
' set the result
_result = _result And _playctrl.SelectedVideoProcessors.Contains(pVideoDizzy)
End If
End If
Catch e1 As Exception
_result = False
End Try
End Sub
Private Sub LoadFileSettings()
_playctrl.LoadSettingsFromFile(_fileSettings, PlaySettings.Processors)
End Sub
Private Function SaveFileSettings() As Boolean
' check if we can save the processors settings
If _playctrl.CanSaveObjectSettings(PlaySettings.Processors) Then
_playctrl.SaveSettingsToFile(_fileSettings, PlaySettings.Processors)
Return True
End If
Return False
End Function
Private Sub LoadStreamSettings()
Dim settings As Stream = New StreamReader(_streamSettings).BaseStream
_playctrl.LoadSettingsFromStream(settings, PlaySettings.Processors)
settings.Close()
End Sub
Private Function SaveStreamSettings() As Boolean
' check if we can save the processors settings
If _playctrl.CanSaveObjectSettings(PlaySettings.Processors) Then
Dim settings As Stream = New StreamWriter(_streamSettings, False).BaseStream
_playctrl.SaveSettingsToStream(settings, PlaySettings.Processors)
settings.Close()
Return True
End If
Return False
End Function
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 string _streamSettings =Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_ObjectSettingsExample_Stream.xml");
public string _fileSettings =Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_ObjectSettingsExample.xml");
public void ObjectSettingsExample()
{
// reference the play control
_playctrl = _form.PlayCtrl;
// input files
string inFile =Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_Source.avi");
try
{
Processor pVideoDizzy = _playctrl.VideoProcessors.EFXDizzy;
// set a video processor
_playctrl.SelectedVideoProcessors.Add(pVideoDizzy);
// save the settings to a file
if (SaveFileSettings())
{
// now clear the selected processors again
_playctrl.SelectedVideoProcessors.Clear();
// check if stream file exists
if (File.Exists(_fileSettings))
{
// load the saved settings from a file
// and check if the processor is selected again
LoadFileSettings();
// set the result
_result = _playctrl.SelectedVideoProcessors.Contains(pVideoDizzy);
}
}
// save the settings to a stream
if (SaveStreamSettings())
{
// now clear the selected processors again
_playctrl.SelectedVideoProcessors.Clear();
// check if stream file exists
if (File.Exists(_streamSettings))
{
// load the saved settings from a stream
// and check if the processor is selected again
LoadStreamSettings();
// set the result
_result &= _playctrl.SelectedVideoProcessors.Contains(pVideoDizzy);
}
}
}
catch (Exception)
{
_result = false;
}
}
private void LoadFileSettings()
{
_playctrl.LoadSettingsFromFile(_fileSettings, PlaySettings.Processors);
}
private bool SaveFileSettings()
{
// check if we can save the processors settings
if (_playctrl.CanSaveObjectSettings(PlaySettings.Processors))
{
_playctrl.SaveSettingsToFile(_fileSettings, PlaySettings.Processors);
return true;
}
return false;
}
private void LoadStreamSettings()
{
Stream settings = new StreamReader(_streamSettings).BaseStream;
_playctrl.LoadSettingsFromStream(settings, PlaySettings.Processors);
settings.Close();
}
private bool SaveStreamSettings()
{
// check if we can save the processors settings
if (_playctrl.CanSaveObjectSettings(PlaySettings.Processors))
{
Stream settings = new StreamWriter(_streamSettings, false).BaseStream;
_playctrl.SaveSettingsToStream(settings, PlaySettings.Processors);
settings.Close();
return true;
}
return 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