C#

			//Declare enumeration Variables<br />
			IntPtr[] EnumerationArray = new IntPtr[10];<br />
			//Garbage Collection Handle<br />
			GCHandle handle = GCHandle.Alloc(EnumerationArray, GCHandleType.Pinned);<br />
<br />
			//Declare ArrayStats<br />
			int ArrayLengthOut;<br />
<br />
			//Enumerate Objects<br />
			ContentEnumeration.Next(EnumerationArray.Length,handle.AddrOfPinnedObject(),out ArrayLengthOut);<br />
<br />
			//Unallocate Handle<br />
			handle.Free();<br />
<br />
			//Fetch IntPtr from array<br />
			IntPtr pTest = EnumerationArray[0];

MyWebService service = new MyWebService(); // Proxy generated from the WSDL
service.MyMethod();

public MyMdiForm(System.Windows.Forms.Form parent)
{
    InitializeComponents();

    this.TopLevel = false;
    this.Parent = parent;
}

using (FileStream stream = new FileStream(
  path, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
{
  XmlDocument doc = new XmlDocument();
  doc.Load(stream);
  // Do stuff to the XML document
}

csp.rgrc0.Left += 1;

case (int)WM_MESSAGE.WM_NCCALCSIZE :
   if ( m.WParam == IntPtr.Zero )
   {
      RECT rect = (RECT) Marshal.PtrToStructure(m.LParam, typeof(RECT));
      rect.Left += 1;
      rect.Top += 5;
      rect.Right -= 1;
      rect.Bottom -= 1;
      Marshal.StructureToPtr(rect, m.LParam, false);
   }
   else
   {
      NCCALCSIZE_PARAMS csp;
      csp = (NCCALCSIZE_PARAMS)Marshal.PtrToStructure(m.LParam, typeof(NCCALCSIZE_PARAMS));
      csp.rgrc0.Left += 1;
      csp.rgrc0.Top += 5;
      csp.rgrc0.Right -= 1;
      csp.rgrc0.Bottom -= 1;
      Marshal.StructureToPtr(csp, m.LParam, false);
   }

[DllImport("User32.dll")] 
public static extern int RedrawWindow(IntPtr hwnd, IntPtr lprcUpdate, IntPtr hrgnUpdate, int fuRedraw);

protected override void OnSizeChanged(EventArgs e)
{
   base.OnSizeChanged(e);
   // force redraw of the entire control (including non-client area)
   RedrawWindow(this.Handle, IntPtr.Zero, IntPtr.Zero, RDW_FRAME | RDW_UPDATENOW | RDW_INVALIDATE); 
}

this.MyEvent(param1, param2)

foreach (MyEventHandlerType delegateType in this.MyEvent.GetInvocationList())
{
    delegateType.BeginInvoke(param1, param2, null, null);
}