pinvoke.net: Edit: shell32.Shell

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Summary: 
Retrieves the Notifyicon bounding rectangle.

!!!!C# Signature:
	[DllImport("shell32.dll", SetLastError = true)]
	static extern int Shell_NotifyIconGetRect([In]ref NOTIFYICONIDENTIFIER identifier, [Out]out RECT iconLocation);

!!!!User-Defined Types:
NOTIFYICONIDENTIFIER 
RECT

!!!!Alternative Managed API:
Do you know one?  Please contribute it!

!!!!Notes:
Minimum supported client: Windows 7 [desktop apps only]
Minimum supported server: Windows Server 2008 R2 [desktop apps only]

!!!!Tips & Tricks:
Please add some!

!!!!Sample Code:       
	[StructLayout(LayoutKind.Sequential)]
	public struct RECT
	{
		public Int32 left;
		public Int32 top;
		public Int32 right;
		public Int32 bottom;
	}
	
	[StructLayout(LayoutKind.Sequential)]
	public struct NOTIFYICONIDENTIFIER
	{
		public uint cbSize;
		public IntPtr hWnd;
		public uint uID;
		public Guid guidItem;
	}
	
	[DllImport("shell32.dll", SetLastError = true)]
	private static extern int Shell_NotifyIconGetRect([In]ref NOTIFYICONIDENTIFIER identifier, [Out]out RECT iconLocation);
	
	public static RECT GetNotifyIconRect(IntPtr windowHandle, uint taskbarIconId)
	{
		var rect = new RECT();
		var notifyIcon = new NOTIFYICONIDENTIFIER();
		notifyIcon.cbSize = (uint)Marshal.SizeOf(notifyIcon.GetType());
		notifyIcon.hWnd = windowHandle;
		notifyIcon.uID = taskbarIconId;
		var hresult = Shell_NotifyIconGetRect(ref notifyIcon, out rect);
		if (hresult == 0x80004005)
		{
			// E_FAIL, will happen if the icon is not there.
			throw new Win32Exception(hresult, "Failed to get icon position.");
		}
			
		if (hresult != 0)
		{
			throw new Win32Exception(hresult);
		}

return rect;
	}

Documentation: Shell_NotifyIconGetRect@msdn on MSDN