MapFactory(Map相关的空白，新增和移除操作）
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///////////////////////////////////////////////////////////////////////////////
//
// (c) Pitney Bowes MapInfo Corporation, 2008. All rights reserved.
//
// The source code below is provided as sample code only. The end user of the
// Licensed Product that contains this code may use the code below for
// development purposes. This software is provided by Pitney Bowes MapInfo
// "as is" and any express or implied warranties, including, but not limited
// to, the implied warranties of merchantability and fitness for a particular
// purpose are disclaimed. In no event shall Pitney Bowes MapInfo be liable
// for any direct, indirect, incidental, special, exemplary, or consequential
// damages (including, but not limited to, procurement of substitute goods or
// services; loss of use, data or profits; or business interruption) however
// caused and whether in contract, strict liability, or tort (including
// negligence) arising in any way out of the use of this software, even if
// advised of the possibility of such damage.
//
///////////////////////////////////////////////////////////////////////////////
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Reflection;
using MapInfo.Data;
using MapInfo.Mapping;
using MapInfo.Engine;
using MapInfo.Windows.Dialogs;
namespace MapFactory
{
/// <summary>
/// Summary description for MapForm1.
/// </summary>
public class MapForm1 : System.Windows.Forms.Form
{
private MapInfo.Windows.Controls.MapControl mapControl1;
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.StatusBar statusBar1;
private System.Windows.Forms.ComboBox comboBoxMaps;
private System.Windows.Forms.Button RemoveMap;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.Button NewEmptyMap;
private System.Windows.Forms.Button BtnNewMap;
private System.Windows.Forms.Button ClearMaps;
private System.Windows.Forms.Button MapFromFile;
private MapInfo.Windows.Controls.MapToolBar mapToolBar1;
private MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonOpenTable;
private MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonLayerControl;
private System.Windows.Forms.ToolBarButton toolBarButtonSeparator;
private MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonSelect;
private MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonZoomIn;
private MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonZoomOut;
private MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonPan;
private System.ComponentModel.Container components = null;
public MapForm1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Listen to some map events
mapControl1.Map.ViewChangedEvent += new ViewChangedEventHandler(Map_ViewChanged);
// Extra setup
UpdateMapComboBox();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.mapControl1 = new MapInfo.Windows.Controls.MapControl();
this.panel1 = new System.Windows.Forms.Panel();
this.statusBar1 = new System.Windows.Forms.StatusBar();
this.comboBoxMaps = new System.Windows.Forms.ComboBox();
this.RemoveMap = new System.Windows.Forms.Button();
this.BtnNewMap = new System.Windows.Forms.Button();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.MapFromFile = new System.Windows.Forms.Button();
this.ClearMaps = new System.Windows.Forms.Button();
this.NewEmptyMap = new System.Windows.Forms.Button();
this.mapToolBar1 = new MapInfo.Windows.Controls.MapToolBar();
this.mapToolBarButtonOpenTable = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonLayerControl = new MapInfo.Windows.Controls.MapToolBarButton();
this.toolBarButtonSeparator = new System.Windows.Forms.ToolBarButton();
this.mapToolBarButtonSelect = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonZoomIn = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonZoomOut = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonPan = new MapInfo.Windows.Controls.MapToolBarButton();
this.panel1.SuspendLayout();
this.groupBox1.SuspendLayout();
this.SuspendLayout();
//
// mapControl1
//
this.mapControl1.Dock = System.Windows.Forms.DockStyle.Fill;
this.mapControl1.Location = new System.Drawing.Point(0, 0);
this.mapControl1.Name = "mapControl1";
this.mapControl1.Size = new System.Drawing.Size(408, 284);
this.mapControl1.TabIndex = 0;
this.mapControl1.Text = "mapControl1";
this.mapControl1.Tools.MiddleButtonTool = null;
//
// panel1
//
this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.panel1.Controls.Add(this.mapControl1);
this.panel1.Location = new System.Drawing.Point(4, 32);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(412, 288);
this.panel1.TabIndex = 1;
//
// statusBar1
//
this.statusBar1.Location = new System.Drawing.Point(0, 322);
this.statusBar1.Name = "statusBar1";
this.statusBar1.Size = new System.Drawing.Size(584, 19);
this.statusBar1.TabIndex = 2;
//
// comboBoxMaps
//
this.comboBoxMaps.Location = new System.Drawing.Point(200, 8);
this.comboBoxMaps.Name = "comboBoxMaps";
this.comboBoxMaps.Size = new System.Drawing.Size(121, 21);
this.comboBoxMaps.TabIndex = 4;
this.comboBoxMaps.Text = "comboBoxMaps";
this.comboBoxMaps.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
//
// RemoveMap
//
this.RemoveMap.Location = new System.Drawing.Point(328, 7);
this.RemoveMap.Name = "RemoveMap";
this.RemoveMap.Size = new System.Drawing.Size(80, 23);
this.RemoveMap.TabIndex = 5;
this.RemoveMap.Text = "Remove Map";
this.RemoveMap.Click += new System.EventHandler(this.RemoveMap_Click);
//
// BtnNewMap
//
this.BtnNewMap.Location = new System.Drawing.Point(16, 32);
this.BtnNewMap.Name = "BtnNewMap";
this.BtnNewMap.Size = new System.Drawing.Size(120, 23);
this.BtnNewMap.TabIndex = 6;
this.BtnNewMap.Text = "New Map Dialog";
this.BtnNewMap.Click += new System.EventHandler(this.button2_Click);
//
// groupBox1
//
this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Right)));
this.groupBox1.Controls.Add(this.MapFromFile);
this.groupBox1.Controls.Add(this.ClearMaps);
this.groupBox1.Controls.Add(this.NewEmptyMap);
this.groupBox1.Controls.Add(this.BtnNewMap);
this.groupBox1.Location = new System.Drawing.Point(424, 8);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(152, 312);
this.groupBox1.TabIndex = 7;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "MapFactory Methods";
//
// MapFromFile
//
this.MapFromFile.Location = new System.Drawing.Point(16, 112);
this.MapFromFile.Name = "MapFromFile";
this.MapFromFile.Size = new System.Drawing.Size(120, 23);
this.MapFromFile.TabIndex = 9;
this.MapFromFile.Text = "New Map From File";
this.MapFromFile.Click += new System.EventHandler(this.MapFromFile_Click);
//
// ClearMaps
//
this.ClearMaps.Location = new System.Drawing.Point(16, 152);
this.ClearMaps.Name = "ClearMaps";
this.ClearMaps.Size = new System.Drawing.Size(120, 23);
this.ClearMaps.TabIndex = 8;
this.ClearMaps.Text = "Clear Maps";
this.ClearMaps.Click += new System.EventHandler(this.ClearMaps_Click);
//
// NewEmptyMap
//
this.NewEmptyMap.Location = new System.Drawing.Point(16, 72);
this.NewEmptyMap.Name = "NewEmptyMap";
this.NewEmptyMap.Size = new System.Drawing.Size(120, 23);
this.NewEmptyMap.TabIndex = 7;
this.NewEmptyMap.Text = "New Empty Map";
this.NewEmptyMap.Click += new System.EventHandler(this.NewEmptyMap_Click);
//
// mapToolBar1
//
this.mapToolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
this.mapToolBarButtonOpenTable,
this.mapToolBarButtonLayerControl,
this.toolBarButtonSeparator,
this.mapToolBarButtonSelect,
this.mapToolBarButtonZoomIn,
this.mapToolBarButtonZoomOut,
this.mapToolBarButtonPan});
this.mapToolBar1.Divider = false;
this.mapToolBar1.Dock = System.Windows.Forms.DockStyle.None;
this.mapToolBar1.DropDownArrows = true;
this.mapToolBar1.Location = new System.Drawing.Point(6, 6);
this.mapToolBar1.MapControl = this.mapControl1;
this.mapToolBar1.Name = "mapToolBar1";
this.mapToolBar1.ShowToolTips = true;
this.mapToolBar1.Size = new System.Drawing.Size(187, 26);
this.mapToolBar1.TabIndex = 9;
//
// mapToolBarButtonOpenTable
//
this.mapToolBarButtonOpenTable.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.OpenTable;
this.mapToolBarButtonOpenTable.ToolTipText = "Open Table";
//
// mapToolBarButtonLayerControl
//
this.mapToolBarButtonLayerControl.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.LayerControl;
this.mapToolBarButtonLayerControl.ToolTipText = "Layer Control";
//
// toolBarButtonSeparator
//
this.toolBarButtonSeparator.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
//
// mapToolBarButtonSelect
//
this.mapToolBarButtonSelect.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.Select;
this.mapToolBarButtonSelect.ToolTipText = "Select";
//
// mapToolBarButtonZoomIn
//
this.mapToolBarButtonZoomIn.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.ZoomIn;
this.mapToolBarButtonZoomIn.ToolTipText = "Zoom-in";
//
// mapToolBarButtonZoomOut
//
this.mapToolBarButtonZoomOut.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.ZoomOut;
this.mapToolBarButtonZoomOut.ToolTipText = "Zoom-out";
//
// mapToolBarButtonPan
//
this.mapToolBarButtonPan.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.Pan;
this.mapToolBarButtonPan.ToolTipText = "Pan";
//
// MapForm1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(584, 341);
this.Controls.Add(this.mapToolBar1);
this.Controls.Add(this.RemoveMap);
this.Controls.Add(this.comboBoxMaps);
this.Controls.Add(this.statusBar1);
this.Controls.Add(this.panel1);
this.Controls.Add(this.groupBox1);
this.MinimumSize = new System.Drawing.Size(592, 248);
this.Name = "MapForm1";
this.Text = "MapForm1";
this.panel1.ResumeLayout(false);
this.groupBox1.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new MapForm1());
}
// Handler function called when the active map's view changes
private void Map_ViewChanged(object o, ViewChangedEventArgs e) {
// Get the map
MapInfo.Mapping.Map map = (MapInfo.Mapping.Map) o;
// Display the zoom level
Double dblZoom = System.Convert.ToDouble(String.Format("{0:E2}", mapControl1.Map.Zoom.Value));
statusBar1.Text = "Zoom: " + dblZoom.ToString() + " " + mapControl1.Map.Zoom.Unit.ToString();
}
private void UpdateMapComboBox()
{
comboBoxMaps.Items.Clear();
foreach (Map m in Session.Current.MapFactory)
{
comboBoxMaps.Items.Add(m);
}
comboBoxMaps.SelectedItem = mapControl1.Map;
}
private void SetMap(Map map)
{
if (mapControl1.Map != null)
{
mapControl1.Map.ViewChangedEvent -= new ViewChangedEventHandler(Map_ViewChanged);
}
mapControl1.Map = map;
if (map != null)
{
mapControl1.Map.ViewChangedEvent += new ViewChangedEventHandler(Map_ViewChanged);
mapControl1.Enabled = true;
mapControl1.Map.IncrementalDraw = new IncrementalDraw(200, 100);
// hook up the toolbar to the current map
mapToolBar1.MapControl=mapControl1;
}
else
{
mapControl1.Enabled = false;
}
}
private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
{
SetMap(comboBoxMaps.SelectedItem as Map);
}
private void button2_Click(object sender, System.EventArgs e)
{
int n=0;
Table []tables = null;
ITableEnumerator tenum = Session.Current.Catalog.EnumerateTables(TableFilterFactory.FilterMappableTables());
while (tenum.MoveNext())
{
n++;
}
tables = new Table[n];
n=0;
foreach (Table t in tenum)
{
tables[n++]=t;
}
NewMapDlg dlg;
if (n > 0)
{
dlg = new NewMapDlg(tables);
if (dlg.ShowDialog() == DialogResult.OK)
{
// build map using MapTableLoader
tables = dlg.SelectedTables;
n = dlg.SelectionCount;
}
else
{
return;
}
}
// now build map from tables if any
Map m;
if (n == 0)
{
m = Session.Current.MapFactory.CreateEmptyMap(null, null, IntPtr.Zero, mapControl1.Size);
}
else
{
m = Session.Current.MapFactory.Create(IntPtr.Zero, mapControl1.Size, new MapTableLoader(tables));
}
SetMap(m);
UpdateMapComboBox();
}
private void RemoveMap_Click(object sender, System.EventArgs e)
{
Map m = mapControl1.Map;
int n=(Session.Current.MapFactory as IList).IndexOf(m);
int nNew = n-1;
if (nNew < 0) nNew = 1; // deleting 0, so new is 1.
if (Session.Current.MapFactory.Count == 1) // deleting last map
{
SetMap(Session.Current.MapFactory.CreateEmptyMap(null, null, (IntPtr)0, new Size(0,0)));
}
else
{
SetMap(Session.Current.MapFactory[nNew]);
}
Session.Current.MapFactory.Remove(m);
UpdateMapComboBox();
}
private void NewEmptyMap_Click(object sender, System.EventArgs e)
{
Map map = Session.Current.MapFactory.CreateEmptyMap(null, null, IntPtr.Zero, mapControl1.Size);
SetMap(map);
UpdateMapComboBox();
}
private void ClearMaps_Click(object sender, System.EventArgs e)
{
Session.Current.MapFactory.Clear();
// create new empty map
Map map = Session.Current.MapFactory.CreateEmptyMap(null, null, IntPtr.Zero, mapControl1.Size);
SetMap(map);
UpdateMapComboBox();
}
private void MapFromFile_Click(object sender, System.EventArgs e)
{
DoMapfromFile();
}
private void DoMapfromFile()
{
System.Windows.Forms.OpenFileDialog openFileDialog1=new System.Windows.Forms.OpenFileDialog();
openFileDialog1.Multiselect = true;
openFileDialog1.CheckFileExists = true;
openFileDialog1.DefaultExt = "TAB";
openFileDialog1.Filter =
"MapInfo Tables (*.tab)|*.tab|" +
"MapInfo Geoset (*.gst)|*.gst|" +
"MapInfo WorkSpace (*.mws)|*.mws";
string strCantOpenList = null;
if(openFileDialog1.ShowDialog(this) == System.Windows.Forms.DialogResult.OK)
{
foreach(string filename in openFileDialog1.FileNames)
{
try
{
Map map = Session.Current.MapFactory.CreateFromFile(filename, System.IntPtr.Zero, mapControl1.Size);
SetMap(map);
UpdateMapComboBox();
}
catch(MapException me)
{
if (strCantOpenList==null)
{
strCantOpenList = me.Arg;
}
else
{
strCantOpenList = strCantOpenList + ", " + me.Arg;
}
}
}
}
if (strCantOpenList != null)
{
MessageBox.Show("The following failed to open: " + strCantOpenList);
}
}
}
}
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MapFactory(Map相关的空白，新增和移除操作） 
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