GetWindowLongPtr64() private method

private GetWindowLongPtr64 ( IntPtr hWnd, GWL nIndex ) : IntPtr
hWnd System.IntPtr
nIndex GWL
return System.IntPtr
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        public static IntPtr GetWindowLongPtr(IntPtr hwnd, GWL nIndex)
        {
            IntPtr intPtr = IntPtr.Zero;

            if (8 == IntPtr.Size)
            {
                intPtr = NativeMethods.GetWindowLongPtr64(hwnd, nIndex);
            }
            else
            {
                intPtr = new IntPtr(NativeMethods.GetWindowLongPtr32(hwnd, nIndex));
            }
            if (IntPtr.Zero == intPtr)
            {
                throw new Win32Exception();
            }
            return(intPtr);
        }