form1.cs

这个是mapxtreme2004 C# ASP。NET 关于桌面距离测量功能的一个简单历程希望大家一起学习

																						this.Separator_2,
																						this.toolBarButton9,
																						this.toolBarButton10,
																						this.toolBarButton11,
																						this.toolBarButton12,
																						this.Separator_3,
																						this.toolBarTest});
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.Location = new System.Drawing.Point(0, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(696, 28);
			this.toolBar1.TabIndex = 2;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarButton1
			// 
			this.toolBarButton1.Tag = "Pan";
			this.toolBarButton1.ToolTipText = "漫游";
			// 
			// toolBarButton2
			// 
			this.toolBarButton2.Tag = "ZoomIn";
			this.toolBarButton2.ToolTipText = "放大";
			// 
			// toolBarButton3
			// 
			this.toolBarButton3.Tag = "ZoomOut";
			this.toolBarButton3.ToolTipText = "缩小";
			// 
			// toolBarButton4
			// 
			this.toolBarButton4.Tag = "ZoomUser";
			this.toolBarButton4.ToolTipText = "用户缩放";
			// 
			// Separator_1
			// 
			this.Separator_1.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			this.Separator_1.Tag = "Separator";
			// 
			// toolBarButton5
			// 
			this.toolBarButton5.Tag = "layerDlg";
			this.toolBarButton5.ToolTipText = "显示图层";
			// 
			// toolBarButton6
			// 
			this.toolBarButton6.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
			this.toolBarButton6.Tag = "UserDist";
			this.toolBarButton6.ToolTipText = "测距";
			// 
			// toolBarButton7
			// 
			this.toolBarButton7.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
			this.toolBarButton7.Tag = "UserInfo";
			this.toolBarButton7.ToolTipText = "信息";
			// 
			// toolBarButton8
			// 
			this.toolBarButton8.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
			this.toolBarButton8.Tag = "UserLabel";
			this.toolBarButton8.ToolTipText = "标签";
			// 
			// Separator_2
			// 
			this.Separator_2.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarTest
			// 
			this.toolBarTest.Tag = "Test";
			this.toolBarTest.ToolTipText = "用于测试使用";
			// 
			// statusBar1
			// 
			this.statusBar1.Location = new System.Drawing.Point(0, 461);
			this.statusBar1.Name = "statusBar1";
			this.statusBar1.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
																						  this.statusBarPanel1,
																						  this.statusBarPanel2,
																						  this.statusBarPanel3});
			this.statusBar1.ShowPanels = true;
			this.statusBar1.Size = new System.Drawing.Size(696, 24);
			this.statusBar1.TabIndex = 6;
			this.statusBar1.Text = "statusBar1";
			// 
			// statusBarPanel1
			// 
			this.statusBarPanel1.Width = 150;
			// 
			// statusBarPanel2
			// 
			this.statusBarPanel2.Width = 150;
			// 
			// statusBarPanel3
			// 
			this.statusBarPanel3.Width = 300;
			// 
			// toolBarButton9
			// 
			this.toolBarButton9.Tag = "Select";
			this.toolBarButton9.ToolTipText = "Select";
			// 
			// toolBarButton10
			// 
			this.toolBarButton10.Tag = "Center";
			this.toolBarButton10.ToolTipText = "Center";
			// 
			// toolBarButton11
			// 
			this.toolBarButton11.Tag = "NoSelect";
			this.toolBarButton11.ToolTipText = "NoSelect";
			// 
			// toolBarButton12
			// 
			this.toolBarButton12.Tag = "Exit";
			this.toolBarButton12.ToolTipText = "Exit";
			// 
			// Separator_3
			// 
			this.Separator_3.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(696, 485);
			this.Controls.Add(this.statusBar1);
			this.Controls.Add(this.toolBar1);
			this.Controls.Add(this.panel1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.panel1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel2)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel3)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void Tools_Used(object sender,MapInfo.Tools.ToolUsedEventArgs e)
		{
			if (e.ToolName == "UserDist")
			{
				statusBarPanel1.Text = "点的数目为：" + distCount.ToString();
				distxy[distCount,0] = (double)e.MapCoordinate.x;
				distxy[distCount,1] = (double)e.MapCoordinate.y;
				if (distCount==0)
					statusBarPanel3.Text = "当前距离是： 0 Km";
				if (distCount>0)
				{
					MapInfo.Geometry.DPoint pt1 = new MapInfo.Geometry.DPoint(distxy[distCount-1,0],distxy[distCount-1,1]);
					MapInfo.Geometry.DPoint pt2 = new MapInfo.Geometry.DPoint(distxy[distCount,0],distxy[distCount,1]);
					MapInfo.Geometry.CoordSys CoordSys = mapControl1.Map.GetDisplayCoordSys();
					Dist = Dist + CoordSys.Distance(MapInfo.Geometry.DistanceType.Spherical, MapInfo.Geometry.DistanceUnit.Kilometer, pt1, pt2);
					statusBarPanel2.Text = "Spherical距离";
					statusBarPanel3.Text = "当前距离是： " + Dist.ToString() + " Km";
				}
				distCount++;
			}
		}
		private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			switch (e.Button.Tag.ToString())
			{
				case "Pan":
					mapControl1.Tools.LeftButtonTool = "Pan";
					break;
				case "ZoomIn":
					mapControl1.Tools.LeftButtonTool = "ZoomIn";
					break;
				case "ZoomOut":
					mapControl1.Tools.LeftButtonTool = "ZoomOut";
					break;
				case "layerDlg":
					MapInfo.Windows.Dialogs.LayerControlDlg lcd = new LayerControlDlg();
					lcd.Map = mapControl1.Map;
					lcd.ShowDialog();
					break;
				case "UserDist":
					mapControl1.Tools.LeftButtonTool = "UserDist";
					//使用项目中内嵌的光标资源。
					mapControl1.Tools.MouseToolProperties.Cursor = new Cursor(Assembly.GetExecutingAssembly().GetManifestResourceStream(this.GetType(), "DistanceCursor.cur"));
					break;
				case "UserInfo":
					ISession session = MapInfo.Engine.Session.Current;
					FeatureLayer lyr = new FeatureLayer(session.Catalog["SHENGHUI"]);
					MapTool.SetInfoTipExpression(mapControl1.Tools.MapToolProperties,
						lyr, "@TableAlias + char(13) + 'Centroid X:' + MI_CentroidX(obj) + 'Y:' + MI_CentroidY(obj)");
					break;
				case "Select":
					mapControl1.Tools.LeftButtonTool = "Select";
					break;
				case "Center":
					mapControl1.Tools.LeftButtonTool = "Center";
					break;
				case "NoSelect":
					mapControl1.Tools.LeftButtonTool = "Arrow";
					//使用Windows系统光标
					mapControl1.Tools.MouseToolProperties.Cursor = System.Windows.Forms.Cursors.Arrow;
					break;
				case "Exit":
					Application.Exit();
					break;
				case "Test":
					break;
				default:
					break;
			}
		}

		private void mapControl1_DoubleClick(object sender, System.EventArgs e)
		{
			distCount =0;
			Dist = 0;
			toolBarButton6.Pushed = false;
		}
	}
}