C# Definition:

        [Flags]
        private enum enWindowStylesEx : uint
        {
            WS_EX_DLGMODALFRAME = 0x00000001L,
            WS_EX_NOPARENTNOTIFY = 0x00000004L,
            WS_EX_TOPMOST = 0x00000008L,
            WS_EX_ACCEPTFILES = 0x00000010L,
            WS_EX_TRANSPARENT = 0x00000020L,
            WS_EX_MDICHILD = 0x00000040L,
            WS_EX_TOOLWINDOW = 0x00000080L,
            WS_EX_WINDOWEDGE = 0x00000100L,
            WS_EX_CLIENTEDGE = 0x00000200L,
            WS_EX_CONTEXTHELP = 0x00000400L,
            WS_EX_RIGHT = 0x00001000L,
            WS_EX_LEFT = 0x00000000L,
            WS_EX_RTLREADING = 0x00002000L,
            WS_EX_LTRREADING = 0x00000000L,
            WS_EX_LEFTSCROLLBAR = 0x00004000L,
            WS_EX_RIGHTSCROLLBAR = 0x00000000L,
            WS_EX_CONTROLPARENT = 0x00010000L,
            WS_EX_STATICEDGE = 0x00020000L,
            WS_EX_APPWINDOW = 0x00040000L,

            WS_EX_OVERLAPPEDWINDOW = (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE),
            WS_EX_PALETTEWINDOW = (WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST),

            // _WIN32_WINNT >= 0x0500
            WS_EX_LAYERED = 0x00080000,

            // WINVER >= 0x0500
            WS_EX_NOINHERITLAYOUT = 0x00100000L, // Disable inheritence of mirroring by children
            WS_EX_LAYOUTRTL = 0x00400000L, // Right to left mirroring

            // _WIN32_WINNT >= 0x0500
            WS_EX_COMPOSITED = 0x02000000L,
            WS_EX_NOACTIVATE = 0x08000000L,
        }

VB Definition:

Enum WindowStylesEx
   TODO
End Enum

Notes:

None.