GetSubObject Method (original) (raw)
Summary
Gets the specified graph sub-object.
Syntax
Parameters
objType
Value that specifies which graph sub-object to get. Must be one of the ConvertObject enumeration values.
Return Value
Example
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void GetSubObjectExample()
{
// reference the convert control
ConvertCtrl 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_GetSubObjectExample.avi");
try
{
_result = true;
// set the input and output files
convertctrl.SourceFile = inFile;
convertctrl.TargetFile = outFile;
// set the audio and video compression
convertctrl.VideoCompressors.Mpeg2.Selected = true;
convertctrl.AudioCompressors.AC3.Selected = true;
// add the color adjustment processor
convertctrl.SelectedVideoProcessors.Add(convertctrl.VideoProcessors.Color);
// access the processor directly
LMVColor lmvc = convertctrl.GetSubObject(ConvertObject.SelVideoProcessor) as LMVColor;
if (lmvc != null)
{
// change some settings
lmvc.Brightness = 85;
lmvc.Contrast = 85;
lmvc.Enabled = true;
lmvc.EffectAreaEnabled = false;
Marshal.ReleaseComObject(lmvc);
}
// start the convert
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();
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS22\Media";
}