1.在项目中添加基于Base Command等的类，可改变命名空间名称。

2.引用:命名空间.类名称；

实例：

using System;

using System.Collections.Generic;

using System.Text;

using System.Runtime.InteropServices;

using System.Resources;

using System.Reflection;

using System.Drawing;

using ESRI.ArcGIS.ADF.BaseClasses;

using ESRI.ArcGIS.ADF.CATIDs;

using ESRI.ArcGIS.Controls;

using ESRI.ArcGIS.Carto;

using ESRI.ArcGIS.Display;

namespace CSharpMyFullExtent

{

/// <summary>

/// Command that works in ArcMap/Map/PageLayout

/// </summary>

[Guid("4f4e73b1-40c3-44a5-8729-d403b7b3d779")]

[ClassInterface(ClassInterfaceType.None)]

[ProgId("CSharpMyFullExtent.MyFullExtentCommand")]

public sealed class MyFullExtentCommand : BaseCommand

{

#region COM Registration Function(s)

[ComRegisterFunction()]

[ComVisible(false)]

static void RegisterFunction(Type registerType)

{

// Required for ArcGIS Component Category Registrar support

ArcGISCategoryRegistration(registerType);

//

// TODO: Add any COM registration code here

//

}

[ComUnregisterFunction()]

[ComVisible(false)]

static void UnregisterFunction(Type registerType)

{

// Required for ArcGIS Component Category Registrar support

ArcGISCategoryUnregistration(registerType);

//

// TODO: Add any COM unregistration code here

//

}

#region ArcGIS Component Category Registrar generated code

/// <summary>

/// Required method for ArcGIS Component Category registration -

/// Do not modify the contents of this method with the code editor.

/// </summary>

private static void ArcGISCategoryRegistration(Type registerType)

{

string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{

{

{0}}}", registerType.GUID);

MxCommands.Register(regKey);

ControlsCommands.Register(regKey);

}

/// <summary>

/// Required method for ArcGIS Component Category unregistration -

/// Do not modify the contents of this method with the code editor.

/// </summary>

private static void ArcGISCategoryUnregistration(Type registerType)

{

string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{

{

{0}}}", registerType.GUID);

MxCommands.Unregister(regKey);

ControlsCommands.Unregister(regKey);

}

#endregion

#endregion

private IHookHelper m_hookHelper = null;

public MyFullExtentCommand()

{

//

// TODO: Define values for the public properties

//

base.m_category = "CustomCommands"; //localizable text

base.m_caption = "My Full Extent"; //localizable text

base.m_message = "My Full Extent"; //localizable text

base.m_toolTip = "My Full Extent"; //localizable text

base.m_name = "MyCommands_MyFullExtent"; //unique id, non-localizable (e.g. "MyCategory_MyCommand")

//As part of your deployment strategy you must register the name of the WinHelp file (*.hlp)

//as a new string value in: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Help

//or provide the full path name.

base.m_helpFile = "MyHelpFile.hlp";

//The Context Help ID as defined when compiling the RTF file into the HelpFile

base.m_helpID = 1234;

ResourceManager rm = new ResourceManager("CSharpMyFullExtent.Resources", Assembly.GetExecutingAssembly());

base.m_bitmap = (System.Drawing.Bitmap)rm.GetObject("CommandImage");

}

#region Overriden Class Methods

/// <summary>

/// Occurs when this command is created

/// </summary>

/// <param name="hook">Instance of the application</param>

public override void OnCreate(object hook)

{

if (hook == null)

return;

try

{

m_hookHelper = new HookHelperClass();

m_hookHelper.Hook = hook;

if (m_hookHelper.ActiveView == null)

m_hookHelper = null;

}

catch

{

m_hookHelper = null;

}

if (m_hookHelper == null)

base.m_enabled = false;

else

base.m_enabled = true;

}

/// <summary>

/// Occurs when this command is clicked

/// </summary>

public override void OnClick()

{

//Get IActiveView interface

IActiveView pActiveView = m_hookHelper.FocusMap as IActiveView;

//Set the extent to the full extent

pActiveView.Extent = pActiveView.FullExtent;

//Refresh the active view

pActiveView.Refresh();

}

#endregion

}

}

 

引用：

axToolbarControl1.AddItem("CSharpMyFullExtent.MyFullExtentCommand", 0, -1, true, 0, esriCommandStyles.esriCommandStyleIconOnly);