private async void btONVIFConnect_Click(object sender, EventArgs e)
{
if (btONVIFConnect.Text == "Connect")
{
try
{
btONVIFConnect.Enabled = false;
btONVIFConnect.Text = "Connecting";
if (onvifControl != null)
{
onvifControl.Disconnect();
onvifControl.Dispose();
onvifControl = null;
}
if (string.IsNullOrEmpty(edONVIFLogin.Text) || string.IsNullOrEmpty(edONVIFPassword.Text))
{
MessageBox.Show("Please specify IP camera user name and password.");
return;
}
onvifControl = new ONVIFControl();
var result = await onvifControl.ConnectAsync(edONVIFURL.Text, edONVIFLogin.Text, edONVIFPassword.Text);
if (!result)
{
onvifControl = null;
MessageBox.Show("Unable to connect to ONVIF camera.");
return;
}
var deviceInfo = await onvifControl.GetDeviceInformationAsync();
if (deviceInfo != null)
{
lbONVIFCameraInfo.Text = $"Model {deviceInfo.Model}, Firmware {deviceInfo.Firmware}";
}
cbONVIFProfile.Items.Clear();
var profiles = await onvifControl.GetProfilesAsync();
foreach (var profile in profiles)
{
cbONVIFProfile.Items.Add($"{profile.Name}");
}
if (cbONVIFProfile.Items.Count > 0)
{
cbONVIFProfile.SelectedIndex = 0;
}
edONVIFLiveVideoURL.Text = cbIPURL.Text = await onvifControl.GetVideoURLAsync();
edIPLogin.Text = edONVIFLogin.Text;
edIPPassword.Text = edONVIFPassword.Text;
onvifPtzRanges = await onvifControl.PTZ_GetRangesAsync();
await onvifControl.PTZ_SetAbsoluteAsync(0, 0, 0);
onvifPtzX = 0;
onvifPtzY = 0;
onvifPtzZoom = 0;
btONVIFConnect.Text = "Disconnect";
}
finally
{
btONVIFConnect.Enabled = true;
btONVIFConnect.Text = "Connect";
}
}
else
{
btONVIFConnect.Text = "Connect";
if (onvifControl != null)
{
onvifControl.Disconnect();
onvifControl.Dispose();
onvifControl = null;
}
}
}