Encapsulate a field in an attribute table or data source.
 
QVariant::Type subType() const
If the field is a collection, gets its element's type.
 
QgsField field(int fieldIdx) const
Returns the field at particular index (must be in range 0..N-1).
 
A configuration dialog for the List Widget class.
 
Represents a vector layer which manages a vector based data sets.
 
QgsFields fields() const FINAL
Returns the list of fields of this layer.