private void CreateLayer(IName name)
{
ILayerFactoryHelper helper = new LayerFactoryHelperClass();
try
{
IEnumLayer layer = helper.CreateLayersFromName(name);
layer.Reset();
for (ILayer layer2 = layer.Next(); layer2 != null; layer2 = layer.Next())
{
int toIndex = 0;
toIndex = LocalCommonHelper.GetLayerIndex(this.axMapControl1.Map, layer2);
this.axMapControl1.AddLayer(layer2, toIndex);
this.axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, layer2, null);
}
}
catch (Exception)
{
MessageBox.Show("无法打开指定文档!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}
private void axMapControl1_OnOleDrop(object sender, IMapControlEvents2_OnOleDropEvent e)
{
IDataObjectHelper dataObjectHelper = (IDataObjectHelper)e.dataObjectHelper;
esriControlsDropAction dropAction = e.dropAction;
e.effect = 0;
switch (dropAction)
{
case esriControlsDropAction.esriDropEnter:
if (dataObjectHelper.CanGetFiles() | dataObjectHelper.CanGetNames())
{
this.m_Effect = esriControlsDragDropEffect.esriDragDropCopy;
}
else if (dataObjectHelper.InternalObject is IDataObject)
{
this.m_Effect = esriControlsDragDropEffect.esriDragDropCopy;
}
break;
case esriControlsDropAction.esriDropOver:
e.effect = (int)this.m_Effect;
break;
}
if (dropAction == esriControlsDropAction.esriDropped)
{
int num;
if (dataObjectHelper.CanGetFiles())
{
System.Array files = System.Array.CreateInstance(typeof(string), 0, 0);
files = (System.Array)dataObjectHelper.GetFiles();
for (num = 0; num <= (files.Length - 1); num++)
{
if (this.axMapControl1.CheckMxFile(files.GetValue(num).ToString()))
{
try
{
this.axMapControl1.LoadMxFile(files.GetValue(num).ToString(), System.Type.Missing, "");
if (ApplicationRef.Application != null)
{
ApplicationRef.Application.MapDocumentChanged();
}
}
catch (Exception exception)
{
MessageBox.Show("Error:" + exception.Message);
return;
}
}
else
{
IFileName name = new FileNameClass
{
Path = files.GetValue(num).ToString()
};
this.CreateLayer((IName)name);
if (ApplicationRef.Application != null)
{
ApplicationRef.Application.MapDocumentChanged();
}
}
}
}
else if (dataObjectHelper.CanGetNames())
{
IEnumName names = dataObjectHelper.GetNames();
names.Reset();
for (IName name3 = names.Next(); name3 != null; name3 = names.Next())
{
this.CreateLayer(name3);
}
if (ApplicationRef.Application != null)
{
ApplicationRef.Application.MapDocumentChanged();
}
}
if (dataObjectHelper.InternalObject is IDataObject)
{
IList data =
(dataObjectHelper.InternalObject as IDataObject).GetData("System.Collections.ArrayList") as
IList;
for (num = 0; num < data.Count; num++)
{
IWorkspaceName workspaceName;
IWorkspaceName name6;
object obj3 = data[num];
if (obj3 is IFeatureDatasetName)
{
IFeatureDatasetName name4 = new FeatureDatasetNameClass();
workspaceName = (obj3 as IDatasetName).WorkspaceName;
name6 = new WorkspaceNameClass
{
WorkspaceFactoryProgID = workspaceName.WorkspaceFactoryProgID
};
if (workspaceName.ConnectionProperties != null)
{
name6.ConnectionProperties = workspaceName.ConnectionProperties;
}
else
{
name6.PathName = workspaceName.PathName;
}
(name4 as IDatasetName).WorkspaceName = name6;
(name4 as IDatasetName).Name = (obj3 as IDatasetName).Name;
this.CreateLayer(name4 as IName);
}
else if (obj3 is IRasterDatasetName)
{
IRasterDatasetName name7 = new RasterDatasetNameClass();
workspaceName = (obj3 as IDatasetName).WorkspaceName;
name6 = new WorkspaceNameClass
{
WorkspaceFactoryProgID = workspaceName.WorkspaceFactoryProgID
};
if (workspaceName.ConnectionProperties != null)
{
name6.ConnectionProperties = workspaceName.ConnectionProperties;
}
else
{
name6.PathName = workspaceName.PathName;
}
(name7 as IDatasetName).WorkspaceName = name6;
(name7 as IDatasetName).Name = (obj3 as IDatasetName).Name;
this.CreateLayer(name7 as IName);
}
else if (obj3 is IDatasetName)
{
IDatasetName name8 = null;
if ((obj3 as IDatasetName).Type == esriDatasetType.esriDTTin)
{
name8 = new TinNameClass();
}
if ((obj3 as IDatasetName).Type == esriDatasetType.esriDTFeatureClass)
{
name8 = new FeatureClassNameClass();
(name8 as IFeatureClassName).FeatureDatasetName =
(obj3 as IFeatureClassName).FeatureDatasetName;
}
else if ((obj3 as IDatasetName).Type == esriDatasetType.esriDTTopology)
{
name8 = new TopologyNameClass();
(name8 as ITopologyName).FeatureDatasetName = (obj3 as ITopologyName).FeatureDatasetName;
}
else if ((obj3 as IDatasetName).Type == esriDatasetType.esriDTRasterBand)
{
name8 = new RasterBandNameClass();
(name8 as IRasterBandName).RasterDatasetName =
(obj3 as IRasterBandName).RasterDatasetName;
}
else if ((obj3 as IDatasetName).Type == esriDatasetType.esriDTGeometricNetwork)
{
name8 = new GeometricNetworkNameClass();
(name8 as IGeometricNetworkName).FeatureDatasetName =
(obj3 as IGeometricNetworkName).FeatureDatasetName;
}
else if ((obj3 as IDatasetName).Type == esriDatasetType.esriDTRasterCatalog)
{
name8 = new RasterCatalogNameClass();
(name8 as IFeatureClassName).FeatureDatasetName =
(obj3 as IFeatureClassName).FeatureDatasetName;
}
else if ((obj3 as IDatasetName).Type == esriDatasetType.esriDTNetworkDataset)
{
name8 = new NetworkDatasetNameClass();
(name8 as INetworkDatasetName).FeatureDatasetName =
(obj3 as INetworkDatasetName).FeatureDatasetName;
}
if (name8 != null)
{
if (name8.WorkspaceName == null)
{
workspaceName = (obj3 as IDatasetName).WorkspaceName;
name6 = new WorkspaceNameClass
{
WorkspaceFactoryProgID = workspaceName.WorkspaceFactoryProgID
};
if (workspaceName.ConnectionProperties != null)
{
name6.ConnectionProperties = workspaceName.ConnectionProperties;
}
else
{
name6.PathName = workspaceName.PathName;
}
name8.WorkspaceName = name6;
}
name8.Name = (obj3 as IDatasetName).Name;
this.CreateLayer(name8 as IName);
}
}
else if (obj3 is IWorkspaceName)
{
workspaceName = obj3 as IWorkspaceName;
name6 = new WorkspaceNameClass
{
WorkspaceFactoryProgID = workspaceName.WorkspaceFactoryProgID
};
if (workspaceName.ConnectionProperties != null)
{
name6.ConnectionProperties = workspaceName.ConnectionProperties;
}
else
{
name6.PathName = workspaceName.PathName;
}
this.CreateLayer(name6 as IName);
}
else if (obj3 is IPropertySet)
{
IPropertySet set = obj3 as IPropertySet;
ILayer property = set.GetProperty("Layer") as ILayer;
int toIndex = 0;
toIndex = LocalCommonHelper.GetLayerIndex(this.axMapControl1.Map, property);
this.axMapControl1.AddLayer(property, toIndex);
}
}
if (ApplicationRef.Application != null)
{
ApplicationRef.Application.MapDocumentChanged();
}
}
}
}