public int IndexOf(
VideoFormat item
)
public:
int IndexOf(
VideoFormat^ item
)
item
A VideoFormat object reference of the item to find.
int The zero-based index position of the VideoFormat item found; otherwise -1 if no item found.
Returns the index of the first occurrence of a VideoFormat object.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void IndexContainsExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
// reference the video formats object
VideoFormats videoformats = capturectrl.VideoCaptureFormats;
try
{
// 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;
// check the index of YUY2 320 x 240 video
int i = videoformats.IndexOf("{32595559-0000-0010-8000-00AA00389B71}", 320, 240);
// access the format via the collection indexer
VideoFormat vf = videoformats[i];
// check if the collection contains this format
// (it should we just got it with IndexOf above)
if (videoformats.Contains(vf))
{
// set the result to what we expect
_result = true;
}
}
catch (Exception)
{
_result = false;
}
}
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