NDBGJK5.0/Kingo.Plugins/Kingo.Plugin.EngineEditor/Commands/OpenTraceCmd.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.Controls;
using KGIS.Framework.EngineEditor;
using KGIS.Framework.Utils.Helper;

namespace Kingo.Plugin.EngineEditor.Commands
{
    public class OpenTraceCmd : BaseCommand
    {
        IEngineEditor m_pEditor;
        public override void OnCreate(object hook)
        {
            m_pEditor = new EngineEditorClass();
        }
        public override bool Checked => EditorSettingClass.Instance.IsTraceing;
        public override void OnClick()
        {
            EditorSettingClass.Instance.IsTraceing = !Checked;
            base.OnClick();
        }
        public override bool Enabled {

            get
            {
                if (m_pEditor == null)
                {
                    return false;
                }
                if (m_pEditor.EditState != esriEngineEditState.esriEngineStateEditing)
                { return false; }
                if ((m_pEditor as EngineEditorClass).TargetLayer == null)
                { return false; }
                return true;
            }
        }
    }
}