public bool Selected {get; set;}
true if the capture subtype is currently selected; otherwise, it is false
Gets or sets the capture subtype selection state. Assignment can raise an error exception. For more information, refer to the Error Codes.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm(false);
public void CaptureSubTypesExample()
{
string name, friendlyName;
int selection;
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
// select a video device, use your device name here instead of USB
if (capturectrl.VideoDevices["USB"] == null)
throw new Exception("No USB video device available");
capturectrl.VideoDevices["USB"].Selected = true;
// get the audio inputs object
CaptureSubTypes subTypes = capturectrl.VideoCaptureSubTypes;
// save the current subtype selection
selection = subTypes.Selection;
try
{
// select an capture subtype by name for MPEG2Video if available
if (subTypes[Constants.MEDIASUBTYPE_MPEG2Video] != null)
{
subTypes[Constants.MEDIASUBTYPE_MPEG2Video].Selected = true;
}
else // else try YUY2
if (subTypes[Constants.MEDIASUBTYPE_YUY2] != null)
{
subTypes[Constants.MEDIASUBTYPE_YUY2].Selected = true;
}
foreach (CaptureSubType cst in subTypes)
{
// get the subtype properties
name = cst.Name;
friendlyName = cst.FriendlyName;
// if we found the video input
if (friendlyName == "YUY2")
{
// select it and break
cst.Selected = true;
break;
}
}
// set the result to what we expect
_result = (selection == subTypes.Selection);
}
catch (Exception)
{
_result = false;
}
}
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