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SetReferenceScaleCmd.cs
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using System;
using System.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
namespace SpatialDataManagement
{
/// <summary>
/// Command that works in ArcMap/Map/PageLayout
/// </summary>
[Guid("77795606-127d-4614-997b-8d02de39186f")]
[ClassInterface(ClassInterfaceType.None)]
[ProgId("SpatialDataManagement.SetReferenceScaleCmd")]
public sealed class SetReferenceScaleCmd : 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;
IActiveView m_activeView = null;
IMapControl3 m_mapcontrol = null;
IMap m_map = null;
public SetReferenceScaleCmd()
{
base.m_category = "通用工具";
base.m_caption = "设置参考比例尺";
base.m_message = "设置参考比例尺";
base.m_toolTip = "设置参考比例尺";
base.m_name = "SetReferenceScaleCmd";
try
{
string bitmapResourceName = GetType().Name + ".bmp";
base.m_bitmap = new Bitmap(GetType(), bitmapResourceName);
}
catch (Exception ex)
{
MessageBox.Show("无效位图!!" + ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
#region Overridden 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;
// TODO: Add other initialization code
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
if (m_hookHelper.Hook is IToolbarControl)
{
IToolbarControl toolbarControl = m_hookHelper.Hook as IToolbarControl;
m_mapcontrol = (IMapControl3)toolbarControl.Buddy;
}
if (m_hookHelper.Hook is IMapControl3)
{
m_mapcontrol = m_hookHelper.Hook as IMapControl3;
}
if (m_mapcontrol != null)
{
m_map = m_mapcontrol.CustomProperty as IMap;
m_activeView = m_map as IActiveView;
}
if (m_map == null) return;
m_map.ReferenceScale = m_map.MapScale;
}
#endregion
}
}