private void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
Bitmap bmp = camera.GetBitmap();
pbxScreen.Image = bmp;
if (isSnapshotRequested)
{
isSnapshotRequested = false;
//string savePath = $@"C:\Temp\{DateTime.Now.ToString("yyyyMMdd_HHmmss")}_Snapshot.bmp";
//bmp.Save(savePath);
pbSnapshot.Image = bmp;
}
}
private void btnStartCapture_Click(object sender, EventArgs e)
{
// [How to use]
// check USB camera is available.
string[] devices = UsbCamera.FindDevices();
if (devices.Length == 0)
{
return; // no camera.
}
// check format.
int cameraIndex = 0;
UsbCamera.VideoFormat[] formats = UsbCamera.GetVideoFormat(cameraIndex);
for (int i = 0; i < formats.Length; i++)
{
Console.WriteLine("{0}:{1}", i, formats[i]);
}
// create usb camera and start.
camera = new UsbCamera(cameraIndex, formats[0]);
camera.Start();
// get image.
// Immediately after starting the USB camera,
// GetBitmap() fails because image buffer is not prepared yet.
var bmp = camera.GetBitmap();
// show image in PictureBox.
var timer = new System.Timers.Timer(5)
{
SynchronizingObject = this
};
//timer.Elapsed += (s, ev) => pbxScreen.Image = camera.GetBitmap();
timer.Elapsed += Timer_Elapsed;
timer.Start();
// release resource when close.
this.FormClosing += (s, ev) => timer.Stop();
this.FormClosing += (s, ev) => camera.Stop();
}
