public bool BacklightCompensation { get; set; }
true if the back light compensation setting is enabled; false otherwise.
Gets or sets the setting for the BacklightCompensation property.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public string _outFile = Path.Combine(LEAD_VARS.MediaDir, "VideoProcAmp_GetExample.avi");
public void GetExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
try
{
// select the first device with analog in it's name
// Replace "Analog" with your video capture device name
if (capturectrl.VideoDevices["Analog"] == null)
throw new Exception("No Analog video devices available!");
capturectrl.VideoDevices["Analog"].Selected = true;
// set a video compressor
capturectrl.VideoCompressors.Mpeg2.Selected = true;
// set the target file
capturectrl.TargetFile = _outFile;
// reference the video proc amp
VideoProcAmp videoprocamp = capturectrl.VideoProcAmp;
if (videoprocamp != null)
{
// set the auto brightness property
videoprocamp.AutoBrightness = true;
// set to black and white
videoprocamp.ColorEnable = false;
// enable backlight compensation, if available
videoprocamp.BacklightCompensation = true;
}
// check for video capture available
if (capturectrl.IsModeAvailable(CaptureMode.Video))
{
// capture 15 seconds of video
capturectrl.UseTimeLimit = true;
capturectrl.TimeLimit = 15;
// subscribe to the compete event
capturectrl.Complete += new EventHandler(CaptureCtrl_Complete);
// start the capture
capturectrl.StartCapture(CaptureMode.Video);
}
}
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 (capturectrl.State == CaptureState.Running)
Application.DoEvents();
}
void CaptureCtrl_Complete(object sender, EventArgs e)
{
// set the result to what we expect
_result = File.Exists(_outFile);
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS22\Media";
}
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