/// <summary>
/// //STILL NEEDS TO BE CHECKED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
/// should make it easier to change the data inside
/// of any External Reference
/// </summary>
/// <param name="obj">External Reference whose information should be changed</param>
/// <param name="field_name">Name of the Property which should be changed</param>
/// <param name="field_value_new">The actual Value user wants the Property to have</param>
public static void Xref_FieldChanger(BlockTableRecord obj, string field_name, Field field_value_new)
{
Document doc = global::Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
if (!obj.HasFields)
{
ed.WriteMessage("\n{0} does not contain fields.", obj.Name);
return;
}
// Gets all the properties in the object
// and allows to user to place them in an array
ObjectId id = obj.GetField();
Field fieldhldr = tr.GetObject(id, OpenMode.ForRead) as Field;
Field[] fields = fieldhldr.GetChildren();
// Finds the parameter whose name matches
//"field_name" and allows the user to change its value
var childField = from field in fields
where field.Equals(field_name)
select field;
foreach (var field in childField)
{
if (field.Equals(field_name))
{
string fldCode =
field.GetFieldCode(
FieldCodeFlags.AddMarkers |
FieldCodeFlags.FieldCode);
obj.SetField(fldCode, field_value_new);
break;
}
}
tr.Commit();
}
}
private static bool ModifyBlockTableRecordField(BlockTableRecord obj, string fieldName, string fieldValue)
{
using (var tr = CurrentDatabase.TransactionManager.StartTransaction())
{
if (!obj.HasFields)
{
return(false);
}
var fields = ((Field)tr.GetObject(obj.GetField(), OpenMode.ForRead)).GetChildren();
var requestedField = fields.FirstOrDefault(f => f.Equals(fieldName));
var fieldCode = requestedField.GetFieldCode(FieldCodeFlags.AddMarkers | FieldCodeFlags.FieldCode);
var newField = new Field(fieldValue);
obj.SetField(fieldCode, newField);
tr.Commit();
}
return(obj.FieldValueEquals(fieldName, fieldValue));
}