private void LoadCustomFields()
{
if (this._customFieldDesigners == null)
{
this._customFieldDesigners = DataControlFieldHelper.GetCustomFieldDesigners(this, this.Control);
}
IDataSourceFieldSchema[] fieldSchemas = this.GetFieldSchemas();
bool flag = (fieldSchemas != null) && (fieldSchemas.Length > 0);
foreach (KeyValuePair<System.Type, DataControlFieldDesigner> pair in this._customFieldDesigners)
{
DataControlFieldDesigner fieldDesigner = pair.Value;
if (fieldDesigner.UsesSchema && flag)
{
DataSourceNode node = new DataSourceNode(pair.Key.Name);
this._availableFieldsTree.Nodes.Add(node);
foreach (IDataSourceFieldSchema schema in fieldSchemas)
{
node.Nodes.Add(new DataControlFieldDesignerNode(fieldDesigner, schema));
}
node.Expand();
}
else
{
this._availableFieldsTree.Nodes.Add(new DataControlFieldDesignerNode(fieldDesigner));
}
}
}
