CameraControl Property (original) (raw)

Summary

Gets the camera control object exposed by the video input device.

Syntax

Property Value

A CameraControl object.

Example

using Leadtools; using Leadtools.Multimedia; using LeadtoolsMultimediaExamples.Fixtures; public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void CameraControlExample() { // reference the capture control CaptureCtrl capturectrl = _form.CaptureCtrl; try { // try to find a USB video device. use your device's name here if (capturectrl.VideoDevices["USB"] == null) throw new Exception("No USB video device available"); capturectrl.VideoDevices["USB"].Selected = true; // reference the camera control CameraControl camera = capturectrl.CameraControl; if (camera != null) { // try to set some camera auto properties camera.AutoExposure = true; camera.AutoFocus = true; camera.AutoIris = true; camera.AutoPan = false; camera.AutoRoll = false; camera.AutoTilt = false; camera.AutoZoom = true; // now try to set some camera manual properties camera.Exposure = camera.ExposureInfo.Min; camera.Focus = camera.FocusInfo.Max; camera.Iris = camera.IrisInfo.Default; camera.Pan = camera.PanInfo.Min; camera.Roll = camera.RollInfo.Min; camera.Tilt = camera.TiltInfo.Min; camera.Zoom = camera.ZoomInfo.Min; // now increment a property by the stepping delta camera.Exposure += camera.ExposureInfo.StepDelta; // set the result to what we expect _result = (camera.Exposure == camera.ExposureInfo.Min + camera.ExposureInfo.StepDelta); // now check a property to see if it is supported and has a manual setting // if so, set it to auto if (camera.ExposureInfo.Flags != CameraControlFlags.Unsupported && camera.ExposureInfo.Flags == CameraControlFlags.Manual) camera.AutoExposure = true; // set the result to what we expect _result &= (camera.ExposureInfo.Flags == CameraControlFlags.Auto); } // continue setting capture settings // and possibly start a capture process // ... } catch (Exception) { _result = false; } }