常规参数
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起始行:用EM_GETFIRSTVISIBLELINE消息即可。结束行:Varr: TRect;lastvisibleline, lastlineindex: Integer;Beginrichedit1.perform( EM_GETRECT, 0, longint( @r ));r.left := r.left+1;r.top := r.bottom - 2;lastlineindex := richedit1.perform( EM_CHARFROMPOS,
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可见 最后 获取 the Integer message edit end RichEdit.Perform
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