Create A SchematicAttributeScriptOn A Schematic Element Class Snippet

        /// <summary>
        /// Create a script SchematicAttribute on a given SchematicElementClass
        /// </summary>
        /// <param name="schElementClass">The SchematicElementClass where the script attribute is created</param>
        /// <param name="AttributeName">The ISchematicAttributeScript 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="sScript">The Script for the created schematic attribute</param>
        /// <param name="ParameterNames">The ParameterNames for the created schematic attribute</param>
        /// <returns>The created ESRI.ArcGIS.Schematic.ISchematicAttributeScript</returns>
        /// <remarks>The UID.Value is a contant GUID value for the ISchematicAttributeScript type of schematic attribute</remarks>
        public ESRI.ArcGIS.Schematic.ISchematicAttributeScript CreateAttributeScriptForElementClass(ESRI.ArcGIS.Schematic.ISchematicElementClass schElementClass, string AttributeName, ESRI.ArcGIS.Schematic.esriSchematicAttributeEvaluationMode EvalMode, ESRI.ArcGIS.Schematic.esriSchematicAttributeStorageMode StorageMode, string sScript, string[] ParameterNames)
        {

                ESRI.ArcGIS.Schematic.ISchematicAttribute schAttribute=null;
                try
                // create an ISchematicAttribute
                {
                        ESRI.ArcGIS.esriSystem.UID pUid=new ESRI.ArcGIS.esriSystem.UID();
                        pUid.Value="{DF83E3AD-4448-483C-86C3-1E7E247B5D04}";
                        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 ISchematicAttributeScript and set its properties
                ESRI.ArcGIS.Schematic.ISchematicAttributeScript schAttScript=(ESRI.ArcGIS.Schematic.ISchematicAttributeScript)schAttribute;
                if (schAttScript != null)
                {
                        schAttScript.Script=sScript;
                        schAttScript.ParameterNames=ParameterNames;
                }

                return schAttScript;
        }

        ''' <summary>
        ''' Create a script SchematicAttribute on a given SchematicElementClass
        ''' </summary>
        ''' <param name="schElementClass">The SchematicElementClass where the script attribute is created</param>
        ''' <param name="AttributeName">The ISchematicAttributeScript 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="sScript">The Script for the created schematic attribute</param>
        ''' <param name="ParameterNames">The ParameterNames for the created schematic attribute</param>
        ''' <returns>The created ESRI.ArcGIS.Schematic.ISchematicAttributeScript</returns>
        ''' <remarks>The UID.Value is a contant GUID value for the ISchematicAttributeScript type of schematic attribute</remarks>
        Public Function CreateAttributeScriptForElementClass(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 sScript As String, ByVal ParameterNames() As String) As ESRI.ArcGIS.Schematic.ISchematicAttributeScript

                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="{DF83E3AD-4448-483C-86C3-1E7E247B5D04}"
                        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 ISchematicAttributeScript and set its properties
                Dim schAttScript As ESRI.ArcGIS.Schematic.ISchematicAttributeScript=TryCast(schAttribute, ESRI.ArcGIS.Schematic.ISchematicAttributeScript)
                If (schAttScript IsNot Nothing) Then
                        schAttScript.Script=sScript
                        schAttScript.ParameterNames=ParameterNames
                End If

                Return schAttScript
        End Function