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