# Working with Video Capture Devices in .NET

// Iterate through all available video capture devices connected to the system
foreach (var device in VideoCapture1.Video_CaptureDevices())
{
    // Add each device name to a dropdown selection control
    cbVideoInputDevice.Items.Add(device.Name);
}

// Asynchronously retrieve all video sources using the shared DeviceEnumerator
var devices = DeviceEnumerator.Shared.VideoSourcesAsync();

// Iterate through each available device
foreach (var device in await devices)
{
    // Add the device's friendly name to the dropdown selection control
    cbVideoInputDevice.Items.Add(device.DisplayName);
}

// Locate a specific device by its display name
var deviceItem = VideoCapture1.Video_CaptureDevices().FirstOrDefault(device => device.Name == "Some device name");

// Iterate through all video formats supported by this device
foreach (var format in deviceItem.VideoFormats)
{
    // Add each format to the format selection dropdown
    cbVideoInputFormat.Items.Add(format);

    // For each format, iterate through its supported frame rates
    foreach (var frameRate in format.FrameRates)
    {
        // Add each frame rate option to the frame rate selection dropdown
        cbVideoInputFrameRate.Items.Add(frameRate.ToString(CultureInfo.CurrentCulture));
    }
}

// Locate a specific device by its display name
var deviceItem = (await DeviceEnumerator.Shared.VideoSourcesAsync()).FirstOrDefault(device => device.DisplayName == "Some device name");

// Iterate through all video formats supported by this device
foreach (var format in deviceItem.VideoFormats)
{
    // Add the format's display name to the format selection dropdown
    cbVideoInputFormat.Items.Add(format.Name);

    // For each format, retrieve and display available frame rates
    foreach (var frameRate in format.FrameRateList)
    {
        // Add each frame rate value to the selection dropdown
        cbVideoInputFrameRate.Items.Add(frameRate.ToString());
    }
}

// Find the selected device in the device list
var deviceItem = VideoCapture1.Video_CaptureDevices().FirstOrDefault(device => device.Name == "Some device name");

// Create a new video capture source using the selected device
VideoCapture1.Video_CaptureDevice = new VideoCaptureSource(deviceItem.Name);

// Configure the default video format from the first available option
VideoCapture1.Video_CaptureDevice.Format = deviceItem.VideoFormats[0].ToString();

// Set the default frame rate from the first available option for the selected format
VideoCapture1.Video_CaptureDevice.FrameRate = deviceItem.VideoFormats[0].FrameRates[0];

// Note: After this setup, use VideoPreview or VideoCapture mode to start streaming

// Initialize the video source settings variable
VideoCaptureDeviceSourceSettings videoSourceSettings = null;

// Find the selected device by its display name
var device = (await DeviceEnumerator.Shared.VideoSourcesAsync()).FirstOrDefault(x => x.DisplayName == deviceName);
if (device != null)
{
    // Locate the selected format by name
    var formatItem = device.VideoFormats.FirstOrDefault(x => x.Name == format);
    if (formatItem != null)
    {
        // Create configuration settings using the selected device
        videoSourceSettings = new VideoCaptureDeviceSourceSettings(device)
        {
            // Convert the format representation to the required Format object
            Format = formatItem.ToFormat()
        };

        // Set the desired frame rate from the dropdown selection
        videoSourceSettings.Format.FrameRate = new VideoFrameRate(Convert.ToDouble(cbVideoInputFrameRate.Text));
    }
}

// Apply the configured settings to the video capture component
VideoCapture1.Video_Source = videoSourceSettings;