ConvertTo() [1/3]

override object System.Data.ConstraintConverter.ConvertTo ( ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType )

inline

Definition at line 19 of file ConstraintConverter.cs.

    {
        if (destinationType == null)
        {
            throw new ArgumentNullException("destinationType");
        }
        if (destinationType == typeof(InstanceDescriptor) && value is Constraint)
        {
            if (value is UniqueConstraint)
            {
                UniqueConstraint uniqueConstraint = (UniqueConstraint)value;
                ConstructorInfo constructor = typeof(UniqueConstraint).GetConstructor(new Type[3]
                {
                    typeof(string),
                    typeof(string[]),
                    typeof(bool)
                });
                if (constructor != null)
                {
                    return new InstanceDescriptor(constructor, new object[3] { uniqueConstraint.ConstraintName, uniqueConstraint.ColumnNames, uniqueConstraint.IsPrimaryKey });
                }
            }
            else
            {
                ForeignKeyConstraint foreignKeyConstraint = (ForeignKeyConstraint)value;
                ConstructorInfo constructor2 = typeof(ForeignKeyConstraint).GetConstructor(new Type[7]
                {
                    typeof(string),
                    typeof(string),
                    typeof(string[]),
                    typeof(string[]),
                    typeof(AcceptRejectRule),
                    typeof(Rule),
                    typeof(Rule)
                });
                if (constructor2 != null)
                {
                    return new InstanceDescriptor(constructor2, new object[7]
                    {
                        foreignKeyConstraint.ConstraintName,
                        foreignKeyConstraint.ParentKey.Table.TableName,
                        foreignKeyConstraint.ParentColumnNames,
                        foreignKeyConstraint.ChildColumnNames,
                        foreignKeyConstraint.AcceptRejectRule,
                        foreignKeyConstraint.DeleteRule,
                        foreignKeyConstraint.UpdateRule
                    });
                }
            }
        }
        return base.ConvertTo(context, culture, value, destinationType);
    }

References System.Data.ForeignKeyConstraint.AcceptRejectRule, System.Data.ForeignKeyConstraint.ChildColumnNames, System.Data.UniqueConstraint.ColumnNames, System.Data.Constraint.ConstraintName, System.culture, System.Data.ForeignKeyConstraint.DeleteRule, System.Data.ForeignKeyConstraint.ParentColumnNames, System.Data.ForeignKeyConstraint.ParentKey, System.Data.DataKey.Table, System.Data.DataTable.TableName, and System.value.