type tuieventbase=class(TSLUICONST)
    {**
    @explan(说明) 消息基类 %%
    **}
    uses utslvclauxiliary,utslvclconstant;
    public
    Message:integer;
    Wparam:pointer;
    Lparam:pointer;
    Hwnd:pointer;
    _tag;
    {**
    @param(Message)(integer|any) 消息id %%
    @param(Wparam)(pointer) 消息wparam %%
    @param(Lparam)(pointer) 消息lparam %%
    @param(Hwnd)(pointer) 窗口句柄 %%
    **}
    private
    Fhwparam;
    Flwparam;
    Fhlparam;
    Fllparam;
    //有符号数
    Fuhwparam;
    Fulwparam;
    Fuhlparam;
    Fullparam;
    //结果
    FSkip;
    Fresult;
    FSender;
    function setSkip(v);
    begin
        if v then
        begin
            FSkip := true;
        end else
        begin
            FSkip := false;
        end
    end
    function GetSender();
    begin
        return FSender;
    end
    Function SetSender(v);
    begin
        return FSender := v;
    end
    public
    //FLparamdata;
    //FWparamdata;
    function create(m,w,l,h);virtual;
    begin
        {**
        @explan(说明) 消息构造 %%
        @param(m)(integer) 消息id %%
        @param(w)(pointer) 消息wparam %%
        @param(l)(pointer) 消息lparam %%
        @param(h)(pointer) 窗口句柄 %%
        **}
        Message := m;
        Wparam := w;
        Lparam := l;
        Hwnd := h;
    end
    function hilparam();
    begin
        {**
        @explan(说明) 高字节 %%
        **}
        if ifnil(Fhlparam)then
        begin
            lowuperdword(Lparam,Fllparam,Fhlparam);
        end
        return Fhlparam;
    end
    function lolparam();
    begin
        {**
        @explan(说明) 低字节 %%
        **}
        if ifnil(Fllparam)then
        begin
            lowuperdword(Lparam,Fllparam,Fhlparam);
        end
        return Fllparam;
    end
    function hiwparam();
    begin
        {**
        @explan(说明) 高字节 %%
        **}
        if ifnil(Fhwparam)then
        begin
            lowuperdword(Wparam,Flwparam,Fhwparam);
        end
        return Fhwparam;
    end
    function lowparam();
    begin
        {**
        @explan(说明) 低字节 %%
        **}
        if ifnil(Flwparam)then
        begin
            lowuperdword(Wparam,Flwparam,Fhwparam);
        end
        return Flwparam;
    end
    function hilparamsigned();
    begin
        {**
        @explan(说明) 高字作为符号数
        **}
        if ifnil(Fuhlparam)then Fuhlparam := unsignedtosigned(hilparam());
        return Fuhlparam;
    end
    function lolparamsigned();
    begin
        {**
        @explan(说明) 低字作为符号数
        **}
        if ifnil(Fullparam)then Fullparam := unsignedtosigned(lolparam());
        return Fullparam;
    end
    function hiwparamsigned();
    begin
        {**
        @explan(说明) 高字作为符号数
        **}
        if ifnil(Fuhwparam)then Fuhwparam := unsignedtosigned(hiwparam());
        return Fuhwparam;
    end
    function lowparamsigned();
    begin
        {**
        @explan(说明) 低字作为符号数
        **}
        if ifnil(Fulwparam)then Fulwparam := unsignedtosigned(lowparam());
        return Fulwparam;
    end
    property msg read Message;
    property skip read FSkip write setSkip;
    property Result read Fresult write Fresult;
    property Handle read Hwnd write Hwnd;
    property Sender read GetSender write SetSender;
    {**
    @param(msg)(integer) 消息id %%
    @param(skip)(bool) 是否忽略底层消息处理函数 %%
    @param(Result)(integer) 消息处理返回 %%
    @param(Handle)(pointer) 窗口句柄 %%
    @param(sender)(TControl) 发送消息的控件,如菜单消息的触发窗口 %%
    **}
end