pipeline-cs/WWPipeLine/WWPipeLine.Map/Tools/Conditions/Statistics/GXchangduQY.cs

using SuperMap.Data;
using System;
using System.Collections.Generic;
using System.Data;
using WeifenLuo.WinFormsUI.Docking;
using WWPipeLine.MapBasic.Conditions;
using WWPipeLine.MapBasic;
using SuperMap.Mapping;
using SuperMap.UI;

namespace WWPipeLine.MapTools.Conditions.Statistics
{
    public partial class GXchangduQY : ConditionPanel
    {
        GeoRegion m_geo = null;
        public GXchangduQY() : base()
        {
            this.ConditionPanelName = "区域管线长度统计";
            InitializeComponent();
            IsLoadBtnOKClick = true;
        }
        protected override void OnLoad(EventArgs e)
        {
            int index = MapControl.Map.TrackingLayer.IndexOf(ComsStatic.ControlToolsTrackingName);
            if (index == -1)
            {
                Sunny.UI.UIMessageTip.ShowError("请先绘制查询区域");
                this.FindForm().Close(); return;
            }
            m_geo = MapControl.Map.TrackingLayer.Get(index) as GeoRegion;
        }
        public override object Do(DockPanel dockPanel = null)
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("统计图层");
            dt.Columns.Add("管线长度");
            //dt.Columns.Add("管线数量");
            DataRow dr;
            dr = dt.NewRow();
            dr["统计图层"] = "供水管线";
            Recordset rd = ComsStatic.gsGuanXian.Query(m_geo, 1, CursorType.Static);
            dr["管线长度"] = Math.Round(rd.Statistic("cd", StatisticMode.Sum), 2);
            //dr["管线数量"] = dvJSLK_cp.RecordCount;
            dt.Rows.Add(dr);
            ComsStatic.RecordsetDispose(rd);
            return dt;
        }
    }
}