Menu Flags from WinUser.h This is not complete, it only contains what is needed
pub const MF = struct
pub const MF = struct {
pub const GRAYED: u32 = 0x00000001;
pub const DISABLED: u32 = 0x00000002;
pub const CHECKED: u32 = 0x00000008;
pub const POPUP: u32 = 0x00000010;
pub const MENUBARBREAK: u32 = 0x00000020;
pub const MENUBREAK: u32 = 0x00000040;
pub const HELP: u32 = 0x00004000;
pub const END: u32 = 0x00000080;
}