TParam
AsBlob
AsBoolean
AsCurrency
AsDate
AsDateTime
AsFloat
AsInteger
AsLargeInt
AsMemo
AsSmallInt
AsString
AsTime
AsWord
Bound
Dataset
IsNull
NativeStr
Text
Value
AsWideString
pl
DataType
Name
NumericScale
ParamType
Precision
Size
TCollectionItem
UpdateCount
Collection
ID
Index
DisplayName
TPersistent
TObject