控制各个自定义图层显示

在载入图层的时候就将各图层名称丢入到子控件的layerList中，并调用ShowLayers()来把各个图层显示出来并加上CheckBox来控制图层的显示。
 

/**//// <summary>
        /// 显示图层名称
        /// </summary>
        public void ShowLayers()
        {
            checkedListBoxLayerControl.Items.Clear();
            foreach (string layer in layers)
            {
                checkedListBoxLayerControl.Items.Add(layer);
            }
        }

        /**//// <summary>
        /// 全选按钮改变Checked状态时
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void checkAll_Click(object sender, EventArgs e)
        {
            SetAllChecked(checkBoxAll.Checked);
        }

        private void SetAllChecked(bool value)
        {
            GlobalHelper.SetAllChecked(checkedListBoxLayerControl, value);
        }

        /**//// <summary>
        /// CheckedListBox中的条目改变Checked状态时
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void checkedListBoxLayerControl_ItemCheck(object sender, ItemCheckEventArgs e)
        {
            string layerName = checkedListBoxLayerControl.Items[e.Index].ToString();
            if (e.NewValue == CheckState.Checked)
            {
                //被选择了则显示相应图层
                IMapLayer layer = mapControl.Map.Layers[layerName];
                if (layer != null)
                    layer.Enabled = true;

                //操作小图标图层
                layer = mapControl.Map.Layers["small" + layerName];
                if (layer != null)
                    layer.Enabled = true;
            }
            else
            {
                //否则隐藏相应图层
                IMapLayer layer = mapControl.Map.Layers[layerName];
                if (layer != null)
                    layer.Enabled = false;

                //操作小图标图层
                layer = mapControl.Map.Layers["small" + layerName];
                if (layer != null)
                    layer.Enabled = false;

                checkBoxAll.Checked = false;
            }
        }

        /**//// <summary>
        /// 开启指定的图层，关闭其他图层
        /// </summary>
        /// <param name="layerNames"></param>
        public void SetLayersEnabled(ArrayList layerNames)
        {
            for (int i = 0; i < checkedListBoxLayerControl.Items.Count; i++)
            {
                string layerName = checkedListBoxLayerControl.Items[i].ToString();
                //历史回放，隐患展现，巡检路径和巡检员定位的图层一直显示出来
                if (!layerNames.Contains(layerName) && layerName != GlobalHelper.LayerHistory && layerName != GlobalHelper.LayerTrouble
                    && layerName != GlobalHelper.LayerInspectman && layerName != GlobalHelper.LayerLines)
                {
                    checkedListBoxLayerControl.SetItemChecked(i, false);
                }
                else
                {
                    checkedListBoxLayerControl.SetItemChecked(i, true);
                }
            }
        }

        /**//// <summary>
        /// 开启或关闭所有图层
        /// </summary>
        /// <param name="value"></param>
        public void SetAllLayersEnabled(bool value)
        {
            checkBoxAll.Checked = value;
            SetAllChecked(value);
        }

        /**//// <summary>
        /// 开启或关闭指定图层
        /// </summary>
        /// <param name="layerNameTemp"></param>
        /// <param name="bEnabled"></param>
        public void SetLayerEnabled(string layerNameTemp, bool bEnabled)
        {
            if (string.IsNullOrEmpty(layerNameTemp))
                return;

            for (int i = 0; i < checkedListBoxLayerControl.Items.Count; i++)
            {
                string layerName = checkedListBoxLayerControl.Items[i].ToString();
                if (layerName.Equals(layerNameTemp))
                {
                    checkedListBoxLayerControl.SetItemChecked(i, bEnabled);
                    return;
                }
            }
        }