学步园

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-->        /**//// <summary>
        /// 传递子控件事件到父窗体的中间事件
        /// </summary>
        public event MouseEventHandler MapControl_MouseMove;
        /**//// <summary>
        /// 传递子控件事件到父窗体的中间事件
        /// </summary>
        public event EventHandler ViewChanged;
        /**//// <summary>
        /// 控件关闭事件
        /// </summary>
        public event EventHandler Closed;
        /**//// <summary>
        /// 在地图控件上点击后触发
        /// </summary>
        public event MouseEventHandler MapControl_MouseClick;

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-->         /**//// <summary>
        /// 为窗体添加子控件
        /// </summary>
        /// <param name="childForm">需要添加的子窗体</param>
        public void AddChildForm ( ViewMap childForm )
        {
            if ( !childFormList.Contains ( childForm ) )
            {
                if ( !( childFormList.Count + 1 > _maxChildForm ) )
                {
                    this.childFormList.Add ( childForm );
                }
                else
                {
                    MessageBox.Show ( _OVER_MAX_CHILDFORM_COUNT );
                    return;
                }
            }
            childForm.MapControl_MouseMove += new MouseEventHandler ( vm_MapControl_MouseMove );
            childForm.ViewChanged += new EventHandler ( vm_ViewChanged );
            childForm.Closed += new EventHandler ( childForm_Closed );
            childForm.MapControl_MouseClick += new MouseEventHandler ( childForm_MapControl_MouseClick );
            SetChildFormLocation ();
            this.Controls.Add ( childForm );
        }

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-->         void vm_MapControl_MouseMove ( object sender, MouseEventArgs e )
        {
            foreach ( ViewMap vm in childFormList )
            {
                if ( !sender.Equals ( vm ) )
                {
                    vm.DrawAssistLine ( e.Location );
                }
            }
        }

        void vm_ViewChanged ( object sender, EventArgs e )
        {
            //遍历所有子窗体，如当前sender不为本身，执行事件
            MapControlEventArg mce = e as MapControlEventArg;
            foreach ( ViewMap vm in childFormList )
            {
                if ( !sender.Equals ( vm ) )
                {
                    vm.SetCenter ( mce.ZoomLevel, mce.Center );
                }
            }
        }