public Camera(int index, Control previewControl)
{
index = 0;
string deviceIndexAsString = Convert.ToString(index);
var windowWidth = previewControl.ClientSize.Width;
var windowHeight = previewControl.ClientSize.Height;
deviceHandle = WmCap.capCreateCaptureWindowA(deviceIndexAsString, WmCap.WS_VISIBLE | WmCap.WS_CHILD, 0, 0, windowWidth,
windowHeight, (int)(previewControl.Handle), 0);
if (WmCap.SendMessage(deviceHandle, WmCap.WM_CAP_DRIVER_CONNECT, index, 0) < 1)
{
throw new Exception("Connection to driver error.");
}
WmCap.SendMessage(deviceHandle, WmCap.WM_CAP_SET_SCALE, -1, 0);
WmCap.SendMessage(deviceHandle, WmCap.WM_CAP_SET_PREVIEWRATE, 0x42, 0);
WmCap.SendMessage(deviceHandle, WmCap.WM_CAP_SET_PREVIEW, -1, 0);
WmCap.SetWindowPos(deviceHandle, 1, 0, 0, windowWidth, windowHeight, 6);
}
public static DeviceDescription[] GetListCameras()
{
return(WmCap.GetAllCapturesDevices());
}
public void TakeSnapshot(string filePath)
{
IntPtr hBmp = Marshal.StringToHGlobalAnsi(filePath);
WmCap.SendMessage(deviceHandle, WmCap.WM_CAP_SAVEDIB, 0, hBmp.ToInt32());
}
public void ShowConfigDialog()
{
WmCap.SendMessage(deviceHandle, WmCap.WM_CAP_DLG_VIDEOFORMAT, 0, 0);
}
public void Dispose()
{
WmCap.SendMessage(deviceHandle, WmCap.WM_CAP_DRIVER_DISCONNECT, index, 0);
WmCap.DestroyWindow(deviceHandle);
}
