Leadtools.Multimedia Namespace > ConvertCtrl Class : SaveSettingsToStream Method |
public virtual void SaveSettingsToStream( Stream targetStream, ConvertSettings flags )
'Declaration Public Overridable Sub SaveSettingsToStream( _ ByVal targetStream As Stream, _ ByVal flags As ConvertSettings _ )
'Usage Dim instance As ConvertCtrl Dim targetStream As Stream Dim flags As ConvertSettings instance.SaveSettingsToStream(targetStream, flags)
public virtual void SaveSettingsToStream( Stream targetStream, ConvertSettings flags )
function Leadtools.Multimedia.ConvertCtrl.SaveSettingsToStream( targetStream , flags )
public: virtual void SaveSettingsToStream( Stream^ targetStream, ConvertSettings flags )
Public _result As Boolean = False Public _form As ConvertCtrlForm = New ConvertCtrlForm() Public _convertctrl As ConvertCtrl Public _streamSettings As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ObjectSettingsExample_Stream.xml") Public _fileSettings As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ObjectSettingsExample.xml") Public Sub ObjectSettingsExample() ' reference the play 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_ObjectSettingsExample.avi") Try Dim pVideoDizzy As Processor = _convertctrl.VideoProcessors.EFXDizzy ' set a video processor _convertctrl.SelectedVideoProcessors.Add(pVideoDizzy) ' save the settings to a file If SaveFileSettings() Then ' now clear the selected processors again _convertctrl.SelectedVideoProcessors.Clear() ' check if a 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 = _convertctrl.SelectedVideoProcessors.Contains(pVideoDizzy) End If End If ' save the settings to a stream If SaveStreamSettings() Then ' now clear the selected processors again _convertctrl.SelectedVideoProcessors.Clear() ' check if a 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 _convertctrl.SelectedVideoProcessors.Contains(pVideoDizzy) End If End If Catch e1 As Exception _result = False End Try End Sub Private Sub LoadFileSettings() _convertctrl.LoadSettingsFromFile(_fileSettings, ConvertSettings.Processors) End Sub Private Function SaveFileSettings() As Boolean ' check if we can save the processor's settings If _convertctrl.CanSaveObjectSettings(ConvertSettings.Processors) Then _convertctrl.SaveSettingsToFile(_fileSettings, ConvertSettings.Processors) Return True End If Return False End Function Private Sub LoadStreamSettings() Dim settings As Stream = New StreamReader(_streamSettings).BaseStream _convertctrl.LoadSettingsFromStream(settings, ConvertSettings.Processors) settings.Close() End Sub Private Function SaveStreamSettings() As Boolean ' check if we can save the processors settings If _convertctrl.CanSaveObjectSettings(ConvertSettings.Processors) Then Dim settings As Stream = New StreamWriter(_streamSettings, False).BaseStream _convertctrl.SaveSettingsToStream(settings, ConvertSettings.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 175\Media"; End Class
public bool _result = false; public ConvertCtrlForm _form = new ConvertCtrlForm(); public ConvertCtrl _convertctrl; public string _streamSettings = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_ObjectSettingsExample_Stream.xml"); public string _fileSettings = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_ObjectSettingsExample.xml"); public void ObjectSettingsExample() { // reference the play 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_ObjectSettingsExample.avi"); try { Processor pVideoDizzy = _convertctrl.VideoProcessors.EFXDizzy; // set a video processor _convertctrl.SelectedVideoProcessors.Add(pVideoDizzy); // save the settings to a file if (SaveFileSettings()) { // now clear the selected processors again _convertctrl.SelectedVideoProcessors.Clear(); // check whether stream file exists if (File.Exists(_fileSettings)) { // load the saved settings from a file // and check whether the processor is selected again LoadFileSettings(); // set the result _result = _convertctrl.SelectedVideoProcessors.Contains(pVideoDizzy); } } // save the settings to a stream if (SaveStreamSettings()) { // now clear the selected processors again _convertctrl.SelectedVideoProcessors.Clear(); // check whether the stream file exists if (File.Exists(_streamSettings)) { // load the saved settings from a stream // and check whether the processor is selected again LoadStreamSettings(); // set the result _result &= _convertctrl.SelectedVideoProcessors.Contains(pVideoDizzy); } } } catch (Exception) { _result = false; } } private void LoadFileSettings() { _convertctrl.LoadSettingsFromFile(_fileSettings, ConvertSettings.Processors); } private bool SaveFileSettings() { // check whether we can save the processors settings if (_convertctrl.CanSaveObjectSettings(ConvertSettings.Processors)) { _convertctrl.SaveSettingsToFile(_fileSettings, ConvertSettings.Processors); return true; } return false; } private void LoadStreamSettings() { Stream settings = new StreamReader(_streamSettings).BaseStream; _convertctrl.LoadSettingsFromStream(settings, ConvertSettings.Processors); settings.Close(); } private bool SaveStreamSettings() { // check whether we can save the processors settings if (_convertctrl.CanSaveObjectSettings(ConvertSettings.Processors)) { Stream settings = new StreamWriter(_streamSettings, false).BaseStream; _convertctrl.SaveSettingsToStream(settings, ConvertSettings.Processors); settings.Close(); return true; } return false; } static class LEAD_VARS { public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media"; }
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2