将拆分器距离设置为宽度或高度的一半
splitcontainersc=newsplitcontainer (; sc.SplitterDistance=sc.Width/2; sc.clientsizechanged=sc _ clientsizechanged; privatevoidsc _ clientsizechanged (对象发送器,EventArgs e ) splitcontainersc=) splitcontainer ) sender; sc.SplitterDistance=sc.Width/2; }