使用ArcGIS Engine提供的命令和工具实现MapView操作

#region MapOperateBase

#region NewMxd

/// <summary>

/// 新建Mxd文档

/// </summary>

private void NewMxd()

{

SaveFileDialog mxdFile = new SaveFileDialog();

mxdFile.Title = "新建ArcMap文档";

mxdFile.Filter = "ArcMap文档 (mxd)|*.mxd";

if (mxdFile.ShowDialog() == DialogResult.OK)

{

string mxdFilePath = mxdFile.FileName;

if (_MapDocument == null)

{

_MapDocument = new MapDocumentClass();

_MapDocument.New(mxdFilePath);

}

else

{

_MapDocument.Open(mxdFilePath, null);

}

_MapDocument.Save(true, true);

this.mapControl.Map = this._MapDocument.get_Map(0);

}

}

#endregion

#region OpenMxd

/// <summary>

/// 打开Mxd文件

/// </summary>

private void OpenMxd()

{

OpenFileDialog ofDialog = new OpenFileDialog();

ofDialog.Title = "选择ArcMap文档";

ofDialog.Filter = "ArcMap文档 (mxd)|*.mxd";

if (ofDialog.ShowDialog() == DialogResult.OK)

{

string mxdFilePath = ofDialog.FileName;

if (null == _MapDocument)

{

_MapDocument = new MapDocumentClass();

}

_MapDocument.Open(mxdFilePath, null);

}

IMap map = _MapDocument.get_Map(0);

this.mapControl.Map = map;

}

#endregion

#region AddShapeFile

/// <summary>

/// 添加shp文件

/// </summary>

private void AddShapeFile()

{

IWorkspaceFactory shpFactory = new ShapefileWorkspaceFactoryClass();

OpenFileDialog ofDialog = new OpenFileDialog();

ofDialog.Title = "输入ArcMap文档名称";

ofDialog.Filter = "ArcView Shape文件|*.shp";

ofDialog.Multiselect = true;

if (ofDialog.ShowDialog() == DialogResult.OK)

{

string fileName = ofDialog.FileName;

string filePath = fileName.Substring(0, fileName.LastIndexOf('\\'));

IWorkspace shpWorkspace = shpFactory.OpenFromFile(filePath, 0);

// 选择多个shape文件(取Map名称)

string[] files = ofDialog.FileNames;

IEnumDataset ds = shpWorkspace.get_Datasets(esriDatasetType.esriDTFeatureClass);

IDataset featureClass = ds.Next();

while(featureClass != null)

{

if (IsFileExists(featureClass.Name, files))

{

IFeatureLayer featureLayer = new FeatureLayerClass();

featureLayer.Name = featureClass.Name;

featureLayer.FeatureClass = featureClass as IFeatureClass;

mapControl.AddLayer(featureLayer as ILayer, 0);

}

featureClass = ds.Next();

}

IMxdContents mxdContents = mapControl.Map as IMxdContents;

_MapDocument.ReplaceContents(mxdContents);

}

}

#endregion

#region MxdSave

/// <summary>

/// 保存Mxd

/// </summary>

private void MxdSave()

{

if (_MapDocument.get_IsReadOnly(_MapDocument.DocumentFilename) == true)

{

MessageBox.Show("此地图文档为只读!");

return;

}

_MapDocument.Save(_MapDocument.UsesRelativePaths, true);

MessageBox.Show("地图保存成功!");

}

#endregion

#region MxdSaveAs

/// <summary>

/// Mxd令存为

/// </summary>

private void MxdSaveAs()

{

SaveFileDialog mxdFile = new SaveFileDialog();

mxdFile.Title = "新建ArcMap文档";

mxdFile.Filter = "ArcMap文档 (mxd)|*.mxd";

if (mxdFile.ShowDialog() == DialogResult.OK)

{

string mxdFilePath = mxdFile.FileName;

if (_MapDocument.get_IsReadOnly(_MapDocument.DocumentFilename) == true)

{

MessageBox.Show("此地图文档为只读!");

return;

}

_MapDocument.SaveAs(mxdFilePath,true, true);

}

}

#endregion

#region IsFileExists

/// <summary>

///

/// </summary>

/// <param name="value"></param>

/// <param name="files"></param>

/// <returns></returns>

bool IsFileExists(string value, string[] files)

{

foreach (string file in files)

{

if (file.IndexOf(value + ".shp") > 0)

return true;

}

return false;

}

#endregion

#endregion

#region MapView

#region MapZoomIn

/// <summary>

/// 放大

/// </summary>

private void MapZoomIn()

{

ICommand command = new ControlsMapZoomInToolClass();

command.OnCreate(mapControl.Object);

mapControl.CurrentTool = command as ITool;

}

#endregion

#region MapZoomOut

/// <summary>

/// 缩小

/// </summary>

private void MapZoomOut()

{

ICommand command = new ControlsMapZoomOutToolClass();

command.OnCreate(mapControl.Object);

mapControl.CurrentTool = command as ITool;

}

#endregion

#region MapPan

/// <summary>

/// 平移

/// </summary>

private void MapPan()

{

ICommand command = new ControlsMapPanToolClass();

command.OnCreate(mapControl.Object);

mapControl.CurrentTool = command as ITool;

}

#endregion

#region MapFullExtent

/// <summary>

/// 全屏显示

/// </summary>

private void MapFullExtent()

{

ICommand command = new ControlsMapFullExtentCommand();

command.OnCreate(mapControl.Object);

command.OnClick();

}

#endregion

#region MapForwardView

/// <summary>

/// 上一视图

/// </summary>

private void MapForwardView()

{

ICommand command = new ControlsMapZoomToLastExtentForwardCommandClass();

command.OnCreate(mapControl.Object);

command.OnClick();

}

#endregion

#region MapNextView

/// <summary>

/// 下一视图

/// </summary>

private void MapNextView()

{

ICommand command = new ControlsMapZoomToLastExtentBackCommandClass();

command.OnCreate(mapControl.Object);

command.OnClick();

}

#endregion

#region MapFixedZoomIn

/// <summary>

/// 定点放大(1.5倍)

/// </summary>

private void MapFixedZoomIn()

{

IActiveView activeView = mapControl.ActiveView;

IEnvelope envelope = activeView.Extent;

envelope.Expand(0.5, 0.5, true);

activeView.Extent = envelope;

mapControl.CurrentTool = null;

activeView.Refresh();

}

#endregion

#region MapFixedZoomOut

/// <summary>

/// 定点放大(1.5倍)

/// </summary>

private void MapFixedZoomOut()

{

IActiveView activeView = mapControl.ActiveView;

IEnvelope envelope = activeView.Extent;

envelope.Expand(2, 2, true);

activeView.Extent = envelope;

mapControl.CurrentTool = null;

activeView.Refresh();

}

#endregion

#region MapRefresh

/// <summary>

/// 视图刷新

/// </summary>

private void MapRefresh()

{

ICommand command = new ControlsMapRefreshViewCommand();

command.OnCreate(mapControl.Object);

command.OnClick();

}

#endregion

#endregion