public FormDemo() { CLocalSystem.LocalSystemContext.IsVerify = false; CLocalSystem.MainForm = this; CLocalSystem.SystemInit(); SystemContext.Init(); InitializeComponent(); //只需在主窗体调用一次 //SystemContext.Init(); this.OpenTableFromSql(mLoginTable, "select * from t_login_log", "", "1,10", ""); TableUtil.SetMapInfo(mLoginTable.Columns["f_state"], "1=登录;0=注销"); DataUIUtil.InitDataGridViewColumns(dataGridView1, mLoginTable); dataTreeView1.OnInitTreeNode += new MonitorLib.Ctrls.Extend.TreeNodeEventHandle(DoInitTreeNode); videoPlayerManageCtrl1.Init(16, 1, 2); videoPlayerManageCtrl1.OnActiveBoxChanging += new BoxEventHandle <VideoPlayer>(DoActiveBoxChanging); videoPlayerManageCtrl1.OnActiveBoxChanged += new BoxEventHandle <VideoPlayer>(DoActiveBoxChanged); label_info.Text = ""; dateTimePicker_end.Value = DateTime.Now; dateTimePicker_begin.Value = dateTimePicker_end.Value.AddDays(-1); }