PIE SDK图层树右键菜单与命令绑定

 1  /// <summary>
 2 /// 右键菜单事件
 3 /// </summary>
 4 /// <param name="sender"></param>
 5 /// <param name="e"></param>
 6 private void tocControlMain_MouseClick(object sender, MouseEventArgs e)
 7 {          
 8 if (e.Button == MouseButtons.Right)//右键
 9  {  
10     IMap pMap = null;
11     m_Layer = null;
12     PIETOCNodeType nodeType = PIETOCNodeType.Null;
13     object unk = null;
14     object data = null;
15 
16     this.tocControlMain.HitTest(e.X, e.Y, ref nodeType, ref pMap, ref m_Layer, ref unk, ref data);
17     //判断点击的节点是哪个类型，弹出指定的右键菜单
18    if (nodeType == PIETOCNodeType.Map)
19 {
20     //控制菜单项的显示隐藏
21     this.ToolStripMenuItem_LoadData.Visible = true;//显示加载数据菜单选项
22     this.ToolStripMenuItem_DeleteLayer.Visible = false;//不显示删除图层菜单选项
23 }
24 else
25 {
26     //控制菜单项的显示隐藏
27     this.ToolStripMenuItem_LoadData.Visible = false;//不显示加载数据
28     this.ToolStripMenuItem_DeleteLayer.Visible = true;//显示删除图层菜单选项
29 }  
30   this.contextMenuStrip1.Show(this.tocControlMain, new Point(e.X, e.Y)); //右键菜单显示
31   }
32 }
33 
34  /// <summary>
35 /// 右键菜单加载数据事件
36 /// </summary>
37 /// <param name="sender"></param>
38 /// <param name="e"></param>
39 private void ToolStripMenuItem_LoadData_Click(object sender, EventArgs e)
40 {
41     // 获得要打开Shape数据的路径
42     OpenFileDialog openFileDialog = new OpenFileDialog();
43     openFileDialog.Title = "选择打开数据";
44     openFileDialog.Filter = "Shape Files|*.shp;*.000|Raster Files|*.tif;*.tiff;*.dat;*.bmp;*.img;*.jpg|HDF Files|*.hdf;*.h5|NC Files|*.nc";
45     if (openFileDialog.ShowDialog() != DialogResult.OK) return;
46 
47     // 打开图层
48     String filePath = openFileDialog.FileName;
49     ILayer layer = PIE.Carto.LayerFactory.CreateDefaultLayer(filePath);
50     if (layer == null) return;
51 
52     // 添加图层到地图并刷新
53     mapControlMain.FocusMap.AddLayer(layer);
54     mapControlMain.ActiveView.PartialRefresh(PIE.Carto.ViewDrawPhaseType.ViewAll);
55 }
56 
57 /// <summary>
58 /// 右键菜单删除图层事件
59 /// </summary>
60 /// <param name="sender"></param>
61 /// <param name="e"></param>
62 private void ToolStripMenuItem_DeleteLayer_Click(object sender, EventArgs e)
63 {          
64    if (m_Layer == null) return;
65 mapControlMain.FocusMap.DeleteLayer(m_Layer);
66 mapControlMain.ActiveView.PartialRefresh(ViewDrawPhaseType.ViewAll);
67 }

 1 /// <summary>
 2 /// 右键菜单删除图层事件
 3 /// </summary>
 4 /// <param name="sender"></param>
 5 /// <param name="e"></param>
 6 private void ToolStripMenuItem_DeleteLayer_Click(object sender, EventArgs e)
 7 {          
 8     //方法一
 9     //if (m_Layer == null) return;
10     //mapControlMain.FocusMap.DeleteLayer(m_Layer);
11     //mapControlMain.ActiveView.PartialRefresh(ViewDrawPhaseType.ViewAll);
12 
13     //方法二
14     ICommand cmd = new Command.DeleLayerCommand();
15     cmd.OnCreate(mapControlMain);
16 cmd.OnClick();
17 }