// Close currently open camera if any
private void CloseCamera( )
{
timer.Stop( );
if (videoSource != null)
{
videoSourcePlayer.VideoSource = null;
videoSource.SignalToStop( );
videoSource.WaitForStop( );
videoSource = null;
}
}
// On "Connect" button click
private void connectButton_Click(object sender, EventArgs e)
{
// set busy cursor
this.Cursor = Cursors.WaitCursor;
// close whatever is open now
CloseCamera( );
if (videoSource == null)
{
try
{
videoSource = new XimeaVideoSource(deviceCombo.SelectedIndex);
// start the camera
videoSource.Start( );
// get some parameters
nameBox.Text = videoSource.GetParamString(CameraParameter.DeviceName);
snBox.Text = videoSource.GetParamString(CameraParameter.DeviceSerialNumber);
typeBox.Text = videoSource.GetParamString(CameraParameter.DeviceType);
// width
widthUpDown.Minimum = videoSource.GetParamInt(CameraParameter.WidthMin);
widthUpDown.Maximum = videoSource.GetParamInt(CameraParameter.WidthMax);
widthUpDown.Value = videoSource.GetParamInt(CameraParameter.WidthMax);
// height
heightUpDown.Minimum = videoSource.GetParamInt(CameraParameter.HeightMin);
heightUpDown.Maximum = videoSource.GetParamInt(CameraParameter.HeightMax);
heightUpDown.Value = videoSource.GetParamInt(CameraParameter.HeightMax);
// exposure
exposureUpDown.Minimum = videoSource.GetParamInt(CameraParameter.ExposureMin) / 1000;
exposureUpDown.Maximum = videoSource.GetParamInt(CameraParameter.ExposureMax) / 1000;
exposureUpDown.Value = 0;
exposureUpDown.Value = 10;
// gain
gainUpDown.Minimum = new Decimal(videoSource.GetParamFloat(CameraParameter.GainMin));
gainUpDown.Maximum = new Decimal(videoSource.GetParamFloat(CameraParameter.GainMax));
gainUpDown.Value = new Decimal(videoSource.GetParamFloat(CameraParameter.Gain));
videoSourcePlayer.VideoSource = videoSource;
EnableConnectionControls(false);
// reset stop watch
stopWatch = null;
// start timer
timer.Start( );
}
catch (Exception ex)
{
MessageBox.Show("Failed openning XIMEA camera:\n\n" + ex.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
CloseCamera( );
}
}
this.Cursor = Cursors.Default;
}
