/// <summary>
/// 检查字段集合中是否存在指定类型的字段
/// </summary>
/// <param name="fieldsEdit"></param>
/// <param name="fieldType"></param>
/// <returns></returns>
public static bool IsExistFieldType(this IFieldsEdit fieldsEdit, esriFieldType fieldType)
{
for (int i = 0; i < fieldsEdit.FieldCount; i++)
{
if (fieldsEdit.get_Field(i).Type == fieldType)
{
return(true);
}
}
return(false);
}
private IFeatureClass method_2(IFeatureWorkspace ifeatureWorkspace_0, string string_4,
esriFeatureType esriFeatureType_0, esriGeometryType esriGeometryType_0, IFields ifields_0)
{
IFeatureClass class2 = null;
string str;
IFieldChecker checker = new FieldCheckerClass
{
ValidateWorkspace = ifeatureWorkspace_0 as IWorkspace
};
checker.ValidateTableName(string_4, out str);
IObjectClassDescription description = null;
if (esriFeatureType_0 == esriFeatureType.esriFTAnnotation)
{
return(this.method_1(ifeatureWorkspace_0, string_4, 1000.0, new TextSymbolClass(), ifields_0));
}
description = new FeatureClassDescriptionClass();
IFieldsEdit requiredFields = description.RequiredFields as IFieldsEdit;
IFieldEdit edit2 = null;
int index = requiredFields.FindField((description as IFeatureClassDescription).ShapeFieldName);
edit2 = requiredFields.get_Field(index) as IFieldEdit;
IGeometryDefEdit geometryDef = edit2.GeometryDef as IGeometryDefEdit;
esriFeatureType esriFTSimple = esriFeatureType.esriFTSimple;
edit2.GeometryDef_2 = geometryDef;
for (int i = 0; i < ifields_0.FieldCount; i++)
{
requiredFields.AddField(ifields_0.get_Field(i));
}
try
{
class2 = ifeatureWorkspace_0.CreateFeatureClass(string_4, requiredFields, null, null, esriFTSimple,
(description as IFeatureClassDescription).ShapeFieldName, "");
}
catch (Exception exception)
{
Logger.Current.Error("", exception, "");
}
return(class2);
}
private IFeatureClass method_1()
{
IFeatureClass class2 = null;
if (this.iname_0 == null)
{
return(null);
}
object obj2 = this.iname_0.Open();
IWorkspace workspace = null;
IFeatureDataset dataset = null;
if (obj2 is IWorkspace)
{
workspace = obj2 as IWorkspace;
}
else if (obj2 is IFeatureDataset)
{
dataset = obj2 as IFeatureDataset;
workspace = dataset.Workspace;
}
IObjectClassDescription description = null;
description = new FeatureClassDescriptionClass();
IFieldsEdit requiredFields = description.RequiredFields as IFieldsEdit;
IFieldEdit field = null;
IFieldEdit edit3 = null;
int index = requiredFields.FindField((description as IFeatureClassDescription).ShapeFieldName);
edit3 = requiredFields.get_Field(index) as IFieldEdit;
IGeometryDefEdit geometryDef = edit3.GeometryDef as IGeometryDefEdit;
if (this.cboGeometryType.SelectedIndex == 0)
{
geometryDef.GeometryType_2 = esriGeometryType.esriGeometryPoint;
}
else if (this.cboGeometryType.SelectedIndex == 1)
{
geometryDef.GeometryType_2 = esriGeometryType.esriGeometryMultipoint;
}
else if (this.cboGeometryType.SelectedIndex == 2)
{
geometryDef.GeometryType_2 = esriGeometryType.esriGeometryPolyline;
}
else if (this.cboGeometryType.SelectedIndex == 3)
{
geometryDef.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
}
ISpatialReference spatialReference = geometryDef.SpatialReference;
if (this.txtCoordinate.Tag is ISpatialReference)
{
spatialReference = this.txtCoordinate.Tag as ISpatialReference;
}
geometryDef.HasZ_2 = this.chkHasZ.Checked;
geometryDef.HasM_2 = this.chkHasM.Checked;
SpatialReferenctOperator.ChangeCoordinateSystem(workspace as IGeodatabaseRelease, spatialReference, false);
geometryDef.SpatialReference_2 = spatialReference;
esriFeatureType esriFTSimple = esriFeatureType.esriFTSimple;
field = new FieldClass();
field.Name_2 = "Code";
field.AliasName_2 = "要素编号";
field.Type_2 = esriFieldType.esriFieldTypeInteger;
requiredFields.AddField(field);
string name = this.method_0(workspace, this.txtFeatureClassName.Text);
try
{
if (dataset == null)
{
class2 = (workspace as IFeatureWorkspace).CreateFeatureClass(name, requiredFields, null, null,
esriFTSimple, "Shape", "");
}
else
{
class2 = dataset.CreateFeatureClass(name, requiredFields, null, null, esriFTSimple, "Shape", "");
}
}
catch (Exception exception)
{
Logger.Current.Error("", exception, "");
}
return(class2);
}
public static IFeatureClass CreateSignsFeatureClass(IFeatureClass linesFeatureClass, string name)
{
// Locations are all relative to the location of the reference lines.
// For geodatabase, signs feature class is at the same location and the streets table
// is at the level of the containing feature dataset.
// For shapefile, both are at the same location as the reference lines.
// start with the initial set of required fields for a feature class
IFeatureClassDescription fcDescription = new FeatureClassDescriptionClass();
IObjectClassDescription ocDescription = fcDescription as IObjectClassDescription;
IFieldsEdit outFields = ocDescription.RequiredFields as IFieldsEdit;
// make the shape field to be of type polyline with the same spatial reference as the reference lines
IField shapeField = outFields.get_Field(outFields.FindField(fcDescription.ShapeFieldName));
IGeometryDefEdit geomDefEdit = shapeField.GeometryDef as IGeometryDefEdit;
geomDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolyline;
geomDefEdit.SpatialReference_2 = (linesFeatureClass as IGeoDataset).SpatialReference;
// add the other fields to the feature class
IFieldEdit field = new FieldClass();
field.Name_2 = "ExitName";
field.Type_2 = esriFieldType.esriFieldTypeString;
field.Length_2 = 24;
outFields.AddField(field);
string currentNumber;
for (int i = 0; i < MaxBranchCount; i++)
{
currentNumber = Convert.ToString(i, System.Globalization.CultureInfo.InvariantCulture);
field = new FieldClass();
field.Name_2 = "Branch" + currentNumber;
field.Type_2 = esriFieldType.esriFieldTypeString;
field.Length_2 = 180;
outFields.AddField(field);
field = new FieldClass();
field.Name_2 = "Branch" + currentNumber + "Dir";
field.Type_2 = esriFieldType.esriFieldTypeString;
field.Length_2 = 5;
outFields.AddField(field);
field = new FieldClass();
field.Name_2 = "Branch" + currentNumber + "Lng";
field.Type_2 = esriFieldType.esriFieldTypeString;
field.Length_2 = 2;
outFields.AddField(field);
field = new FieldClass();
field.Name_2 = "Toward" + currentNumber;
field.Type_2 = esriFieldType.esriFieldTypeString;
field.Length_2 = 180;
outFields.AddField(field);
field = new FieldClass();
field.Name_2 = "Toward" + currentNumber + "Lng";
field.Type_2 = esriFieldType.esriFieldTypeString;
field.Length_2 = 2;
outFields.AddField(field);
}
// make the feature class
IFeatureDataset pFeatureDataset = linesFeatureClass.FeatureDataset;
IWorkspace pWorkspace = (linesFeatureClass as IDataset).Workspace;
if (pFeatureDataset != null)
{
return(pFeatureDataset.CreateFeatureClass(name, outFields, ocDescription.InstanceCLSID,
ocDescription.ClassExtensionCLSID, esriFeatureType.esriFTSimple, fcDescription.ShapeFieldName, ""));
}
else if (pWorkspace is IFeatureWorkspace)
{
return((pWorkspace as IFeatureWorkspace).CreateFeatureClass(name, outFields, ocDescription.InstanceCLSID,
ocDescription.ClassExtensionCLSID, esriFeatureType.esriFTSimple, fcDescription.ShapeFieldName, ""));
}
else
{
return(null); // not expected
}
}
