IfcDoc.CtlProperties.buttonEntityBaseClear_Click C# (CSharp) Méthode

        private void buttonEntityBaseClear_Click(object sender, EventArgs e)
        {
            DocEntity docEntity = (DocEntity)this.m_target;

            if (docEntity.BaseDefinition != null)
            {
                DocObject docBase = null;
                this.m_map.TryGetValue(docEntity.BaseDefinition, out docBase);
                if (docBase is DocEntity)
                {
                    DocEntity docEntBase = (DocEntity)docBase;

                    foreach (DocSubtype docSub in docEntBase.Subtypes)
                    {
                        if (docSub.DefinedType == docEntity.Name)
                        {
                            docSub.Delete();
                            docEntBase.Subtypes.Remove(docSub);
                            break;
                        }
                    }

                    foreach (DocLine docLine in docEntBase.Tree)
                    {
                        if (docLine.Definition == docEntity)
                        {
                            docLine.Delete();
                            docEntBase.Tree.Remove(docLine);
                            break;
                        }
                    }
                }

                docEntity.BaseDefinition = null;
            }
        }