private Task ShowAttributes()
{
return(QueuedTask.Run(() =>
{
try
{
_fieldAttributes.Clear();
if (SelectedLayer == null || SelectedOID == null)
{
return;
}
var oidField = SelectedLayer.GetTable().GetDefinition().GetObjectIDField();
var qf = new ArcGIS.Core.Data.QueryFilter()
{
WhereClause = string.Format("{0} = {1}", oidField, SelectedOID)
};
var cursor = SelectedLayer.Search(qf);
Row row = null;
if (cursor.MoveNext())
{
row = cursor.Current;
}
if (row == null)
{
return;
}
var fields = row.GetFields();
lock (_lock)
{
foreach (ArcGIS.Core.Data.Field field in fields)
{
if (field.FieldType == FieldType.Geometry)
{
continue;
}
var val = row[field.Name];
FieldAttributeInfo fa = new FieldAttributeInfo(field, (val is DBNull || val == null) ? null : val.ToString());
_fieldAttributes.Add(fa);
}
}
}
catch (Exception)
{
}
}));
}
internal bool ValidateExpresion(bool showValidationSuccessMsg)
{
try
{
var qf = new QueryFilter()
{
WhereClause = WhereClause
};
SelectedLayer.Search(qf);
}
catch (Exception)
{
HasError = true;
IsValid = false;
return(false);
}
if (showValidationSuccessMsg)
{
IsValid = true;
}
HasError = false;
return(true);
}