"AE10开发编程指南：桌面GIS应用程序框架建立与新功能解析"

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++/CLR，然后选择“ESRI ArcGIS”模板，输入项目名称并确认。在“新建项目”对话框中，选择“桌面”类别，然后选择“ArcGIS桌面应用程序”模板，输入应用程序名称并确认。点击“确定”按钮生成项目。 2、设计界面在 Solution Explorer 窗口中双击 Form1.h 文件，打开“Form1”的界面设计视图。在工具箱中选择“MapControl”控件，然后在“Form1”的界面中拖放“MapControl”控件，设置该控件的 Dock 属性值为“Fill”。同样的方式在“Form1”的界面中添加“PageLayoutControl”控件、“ToolbarControl”控件、“TOCControl”控件，并设置其 Dock 属性值为“Fill”。界面设计完成后，在 Solution Explorer 窗口中双击 Form1.h 文件，打开“Form1”的代码视图。3、初始化控件在 Form1 的构造函数中，初始化 MapControl、PageLayoutControl、ToolbarControl、TOCControl 四个控件。在 Form1 的构造函数中添加以下代码： InitializeComponent(); this.axMapControl1.OnMouseDown += new ESRI.ArcGIS.Controls.IMapControlEvents2_Ax_OnMouseDownEventHandler(axMapControl1_OnMouseDown); this.axToolbarControl1.SetBuddyControl(this.axMapControl1); this.axTOCControl1.SetBuddyControl(this.axMapControl1); this.axPageLayoutControl1.SetBuddyControl(this.axMapControl1); 4、运行程序构建成功后，在“解决方案资源管理器”窗口中右键点击“MapControlAndPageLayoutControl”项目，并选择“设置为启动项目”。点击“开始调试”按钮，运行程序，预览结果。通过本讲的学习，可以掌握使用 MapControl、PageLayoutControl、ToolbarControl、TOCControl 四个控件建立起桌面 GIS 应用程序框架的方法。"

throw new Exception(string.Format("ControlsSynchronizer::ActivatePageLayout:\r\n{0}",

ex.Message));

}

/// <summary>

/// 给予一个地图, 置换 PageLayoutControl 和 MapControl 的 focus map

/// </summary>

/// <param name="newMap"></param>

public void ReplaceMap(IMap newMap)

{

if (newMap == null)

throw new Exception("ControlsSynchronizer::ReplaceMap:\r\nNew map for replacement is not

initialized!");

if (m_pageLayoutControl == null || m_mapControl == null)

throw new Exception("ControlsSynchronizer::ReplaceMap:\r\nEither MapControl or

PageLayoutControl are not initialized!");

//create a new instance of IMaps collection which is needed by the PageLayout

//创建一个 PageLayout 需要用到的,新的 IMaps collection 的实例

IMaps maps = new Maps();

//add the new map to the Maps collection

//把新的地图加到 Maps collection 里头去

maps.Add(newMap);

bool bIsMapActive = m_IsMapCtrlactive;

//call replace map on the PageLayout in order to replace the focus map

//we must call ActivatePageLayout, since it is the control we call 'ReplaceMaps'

//调用 PageLayout 的 replace map 来置换 focus map

//我们必须调用 ActivatePageLayout,因为它是那个我们可以调用"ReplaceMaps"的 Control

this.ActivatePageLayout();

m_pageLayoutControl.PageLayout.ReplaceMaps(maps);

//assign the new map to the MapControl

//把新的地图赋给 MapControl

m_mapControl.Map = newMap;

//reset the active tools

//重设 active tools

m_pageLayoutActiveTool = null;

m_mapActiveTool = null;

//make sure that the last active control is activated

//确认之前活动的 control 被激活

if (bIsMapActive)

{

this.ActivateMap();

m_mapControl.ActiveView.Refresh();

}

else

{

this.ActivatePageLayout();

m_pageLayoutControl.ActiveView.Refresh();

}

/// <summary>

/// bind the MapControl and PageLayoutControl together by assigning a new joint focus map

/// 指定共同的 Map 来把 MapControl 和 PageLayoutControl 绑在一起

/// </summary>

/// <param name="mapControl"></param>

/// <param name="pageLayoutControl"></param>

/// <param name="activateMapFirst">true if the MapControl supposed to be activated first, 如果

MapControl 被首先激活,则为 true</param>

public void BindControls(IMapControl3 mapControl, IPageLayoutControl2 pageLayoutControl, bool

activateMapFirst)

{

if (mapControl == null || pageLayoutControl == null)

throw new Exception("ControlsSynchronizer::BindControls:\r\nEither MapControl or

PageLayoutControl are not initialized!");

m_mapControl = MapControl;

m_pageLayoutControl = pageLayoutControl;

this.BindControls(activateMapFirst);

}

/// <summary>

/// bind the MapControl and PageLayoutControl together by assigning a new joint focus map

/// 指定共同的 Map 来把 MapControl 和 PageLayoutControl 绑在一起

/// </summary>

/// <param name="activateMapFirst">true if the MapControl supposed to be activated first, 如果

MapControl 被首先激活,则为 true</param>

public void BindControls(bool activateMapFirst)

{

if (m_pageLayoutControl == null || m_mapControl == null)

throw new Exception("ControlsSynchronizer::BindControls:\r\nEither MapControl or

PageLayoutControl are not initialized!");

//create a new instance of IMap

//创造 IMap 的一个实例

IMap newMap = new MapClass();

newMap.Name = "Map";

//create a new instance of IMaps collection which is needed by the PageLayout

//创造一个新的 IMaps collection 的实例,这是 PageLayout 所需要的

IMaps maps = new Maps();

//add the new Map instance to the Maps collection

//把新的 Map 实例赋给 Maps collection

maps.Add(newMap);

//call replace map on the PageLayout in order to replace the focus map

//调用 PageLayout 的 replace map 来置换 focus map

m_pageLayoutControl.PageLayout.ReplaceMaps(maps);

//assign the new map to the MapControl

//把新的 map 赋给 MapControl

m_mapControl.Map = newMap;

//reset the active tools

//重设 active tools

m_pageLayoutActiveTool = null;

m_mapActiveTool = null;

//make sure that the last active control is activated

//确定最后活动的 control 被激活

if (activateMapFirst)

this.ActivateMap();

else

this.ActivatePageLayout();

}

/// <summary>

///by passing the application's toolbars and TOC to the synchronization class, it saves you the

///management of the buddy control each time the active control changes. This method ads the

framework

///control to an array; once the active control changes, the class iterates through the array and

///calles SetBuddyControl on each of the stored framework control.

/// </summary>

/// <param name="control"></param>

public void AddFrameworkControl(object control)

{

if (control == null)

throw new Exception("ControlsSynchronizer::AddFrameworkControl:\r\nAdded control is not

initialized!");

m_frameworkControls.Add(control);

}

/// <summary>

/// Remove a framework control from the managed list of controls

/// </summary>

/// <param name="control"></param>

public void RemoveFrameworkControl(object control)

{

if (control == null)

throw new Exception("ControlsSynchronizer::RemoveFrameworkControl:\r\nControl to be

removed is not initialized!");

m_frameworkControls.Remove(control);

}

/// <summary>

/// Remove a framework control from the managed list of controls by specifying its index in the list

/// </summary>

/// <param name="index"></param>

public void RemoveFrameworkControlAt(int index)

{

if (m_frameworkControls.Count < index)

throw new Exception("ControlsSynchronizer::RemoveFrameworkControlAt:\r\nIndex is out of

range!");

m_frameworkControls.RemoveAt(index);

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"AE10开发编程指南：桌面GIS应用程序框架建立与新功能解析"

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