C#

[DllImport("gdi32.dll")]<br />
		private static extern bool BitBlt(IntPtr hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, System.Int32 dwRop);<br />
		[DllImport("User32.dll")]<br />
		public extern static System.IntPtr GetDC(System.IntPtr hWnd);<br />
		[DllImport("User32.dll")]<br />
		public extern static int ReleaseDC(System.IntPtr hWnd, System.IntPtr hDC);<br />
<br />
		private void foo() {<br />
			System.IntPtr srcDC = GetDC(this.ctrl.Handle);<br />
			Bitmap bm = new Bitmap(this.ctrl.Width, this.ctrl.Height);<br />
			Graphics g = Graphics.FromImage(bm);<br />
			System.IntPtr bmDC = g.GetHdc();<br />
			BitBlt(bmDC, 0, 0, bm.Width, bm.Height, srcDC, 0, 0, 0x00CC0020 /*SRCCOPY*/);<br />
			ReleaseDC(this.ctrl.Handle, srcDC);<br />
			g.ReleaseHdc(bmDC);<br />
			g.Dispose();<br />
			bm.Save("a.bmp");<br />
		}

using System;<br />
using System.Management;<br />
using System.Windows.Forms;<br />
<br />
namespace WMISample<br />
{<br />
    public class MyWMIQuery<br />
    {<br />
        public static void Main()<br />
        {<br />
            try<br />
            {<br />
                ManagementObjectSearcher searcher = <br />
                    new ManagementObjectSearcher("root\\CIMV2", <br />
                    "SELECT * FROM Win32_TemperatureProbe"); <br />
<br />
                foreach (ManagementObject queryObj in searcher.Get())<br />
                {<br />
                    Console.WriteLine("-----------------------------------");<br />
                    Console.WriteLine("Win32_TemperatureProbe instance");<br />
                    Console.WriteLine("-----------------------------------");<br />
                    Console.WriteLine("CurrentReading: {0}", queryObj["CurrentReading"]);<br />
                }<br />
            }<br />
            catch (ManagementException e)<br />
            {<br />
                MessageBox.Show("An error occurred while querying for WMI data: " + e.Message);<br />
            }<br />
        }<br />
    }<br />
}

private bool GetSmtpAccountInfo()
{
    RegistryKey key = Registry.CurrentUser.OpenSubKey(
        @"Software\Microsoft\Internet Account Manager\Accounts\00000001" );
    
    if (key != null)
    {
        DisplayName = key.GetValue("SMTP Display Name").ToString();
        DefaultEmailAddress = key.GetValue("SMTP Email Address").ToString();
        SMTPServer = key.GetValue("SMTP Server").ToString();

        key.Close();
        return true;
    }

    return false;
}