public virtual void LoadSettingsFromStream(
Stream sourceStream,
PlaySettings flags
)
public:
virtual void LoadSettingsFromStream(
Stream^ sourceStream,
PlaySettings flags
)
sourceStream
The stream containing the saved settings to load.
flags
The PlaySettings enumeration values specifying which settings to load.
This method reconstructs the play control configuration based on the settings loaded from the specified stream. Play control settings can be saved to a stream by calling SaveSettingsToStream, or to a file by calling SaveSettingsToFile. Settings saved to a stream can be loaded using LoadSettingsFromStream.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
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 whether a 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 = _playctrl.SelectedVideoProcessors.Contains(pVideoDizzy);
}
}
// save the settings to a stream
if (SaveStreamSettings())
{
// now clear the selected processors again
_playctrl.SelectedVideoProcessors.Clear();
// check whether a 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 &= _playctrl.SelectedVideoProcessors.Contains(pVideoDizzy);
}
}
}
catch (Exception)
{
_result = false;
}
}
private void LoadFileSettings()
{
_playctrl.LoadSettingsFromFile(_fileSettings, PlaySettings.Processors);
}
private bool SaveFileSettings()
{
// check whether 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 whether 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:\LEADTOOLS22\Media";
}
Help Collections
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