ArcObjects Library Reference

Create A SchematicAttributeGeometry On A Schematic Element Class Snippet

Create a geometry SchematicAttribute on a given SchematicElementClass

[C#]

        /// <summary>
        /// Create a geometry SchematicAttribute on a given SchematicElementClass
        /// </summary>
        /// <param name="schElementClass">The SchematicElementClass where the geometry attribute is created</param>
        /// <param name="AttributeName">The ISchematicAttributeGeometry name</param>
        /// <param name="EvalMode">The EvaluationMode for the created schematic attribute</param>
        /// <param name="StorageMode">The StorageMode for the created schematic attribute</param>
        /// <param name="GeometryType">The AttributeGeometryType for the created schematic attribute</param>
        /// <param name="FieldName">The FieldName for the created schematic attribute</param>
        /// <returns>The created ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry</returns>
        /// <remarks>The UID.Value is a contant GUID value for the ISchematicAttributeGeometry type of schematic attribute</remarks>
        public ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry CreateAttributeGeometryForElementClass(ESRI.ArcGIS.Schematic.ISchematicElementClass schElementClass, string AttributeName, ESRI.ArcGIS.Schematic.esriSchematicAttributeEvaluationMode EvalMode, ESRI.ArcGIS.Schematic.esriSchematicAttributeStorageMode StorageMode, ESRI.ArcGIS.Schematic.esriSchematicAttributeGeometryType GeometryType, string FieldName)
        {

                ESRI.ArcGIS.Schematic.ISchematicAttribute schAttribute=null;
                try
                // create an ISchematicAttribute
                {
                        ESRI.ArcGIS.esriSystem.UID pUid=new ESRI.ArcGIS.esriSystem.UID();
                        pUid.Value="{815DA067-4730-4C63-89A3-87BC0E29801F}";
                        schAttribute=schElementClass.CreateSchematicAttribute(AttributeName, pUid);
                }
                catch
                {
                        return null;
                }

                ESRI.ArcGIS.Schematic.ISchematicAttributeManagement schAttributeMngt=(ESRI.ArcGIS.Schematic.ISchematicAttributeManagement)schAttribute;
                try
                {
                        // the StorageMode must be set before the EvaluationMode 
                        // consistenty is checked when the EvaluationMode is set
                        schAttributeMngt.StorageMode=StorageMode;
                        schAttributeMngt.EvaluationMode=EvalMode;
                }
                catch
                {
                        // an error is returned if the StorageMode and EvaluationMode are not consistent
                }

                // cast SchematicAttribute into ISchematicAttributeGeometry and set its properties
                ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry schAttGeometry=(ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry)schAttribute;
                if (schAttGeometry != null)
                {
                        schAttGeometry.AttributeGeometryType=GeometryType;
                        schAttGeometry.FieldName=FieldName;
                }
                return schAttGeometry;
        }

[Visual Basic .NET]

        ''' <summary>
        ''' Create a geometry SchematicAttribute on a given SchematicElementClass
        ''' </summary>
        ''' <param name="schElementClass">The SchematicElementClass where the geometry attribute is created</param>
        ''' <param name="AttributeName">The ISchematicAttributeGeometry name</param>
        ''' <param name="EvalMode">The EvaluationMode for the created schematic attribute</param>
        ''' <param name="StorageMode">The StorageMode for the created schematic attribute</param>
        ''' <param name="GeometryType">The AttributeGeometryType for the created schematic attribute</param>
        ''' <param name="FieldName">The FieldName for the created schematic attribute</param>
        ''' <returns>The created ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry</returns>
        ''' <remarks>The UID.Value is a contant GUID value for the ISchematicAttributeGeometry type of schematic attribute</remarks>
        Public Function CreateAttributeGeometryForElementClass(ByVal schElementClass As ESRI.ArcGIS.Schematic.ISchematicElementClass, ByVal AttributeName As String, ByVal EvalMode As ESRI.ArcGIS.Schematic.esriSchematicAttributeEvaluationMode, ByVal StorageMode As ESRI.ArcGIS.Schematic.esriSchematicAttributeStorageMode, ByVal GeometryType As ESRI.ArcGIS.Schematic.esriSchematicAttributeGeometryType, ByVal FieldName As String) As ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry

                Dim schAttribute As ESRI.ArcGIS.Schematic.ISchematicAttribute=Nothing
                Try
                        ' create an ISchematicAttribute
                        Dim pUid As ESRI.ArcGIS.esriSystem.UID=New ESRI.ArcGIS.esriSystem.UID()
                        pUid.Value="{815DA067-4730-4C63-89A3-87BC0E29801F}"
                        schAttribute=schElementClass.CreateSchematicAttribute(AttributeName, pUid)
                Catch
                        Return Nothing
                End Try

                Dim schAttributeMngt As ESRI.ArcGIS.Schematic.ISchematicAttributeManagement=TryCast(schAttribute, ESRI.ArcGIS.Schematic.ISchematicAttributeManagement)
                Try
                        ' the StorageMode must be set before the EvaluationMode 
                        ' consistenty is checked when the EvaluationMode is set 
                        schAttributeMngt.StorageMode=StorageMode
                        schAttributeMngt.EvaluationMode=EvalMode
                Catch
                        ' an error is returned if the StorageMode and EvaluationMode are not consistent
                End Try

                ' cast SchematicAttribute into ISchematicAttributeGeometry and set its properties
                Dim schAttGeometry As ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry=TryCast(schAttribute, ESRI.ArcGIS.Schematic.ISchematicAttributeGeometry)
                If (schAttGeometry IsNot Nothing) Then
                        schAttGeometry.AttributeGeometryType=GeometryType
                        schAttGeometry.FieldName=FieldName
                End If
                Return schAttGeometry
        End Function

Additional Requirements

The code in this document requires the following References added to the Visual Studio project:
ESRI.ArcGIS.Schematic