TParam.ParamType property

Declaration

property ParamType: TParamType read FParamType write FParamType;

Description

ParamTyp specifies the type of parameter: is the parameter value written to the database engine, or is it received from the database engine, or both ? It can have the following value:

ptUnknown

Unknown type.

ptInput

Input parameter.

ptOutput

Output parameter, filled on result.

ptInputOutput

Input/output parameter.

ptResult

Result parameter.

The ParamType property is usually set by the database engine that creates the parameter instances.

See also

• DataType
• DataSize
• Name