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    TParam.ParamType

    Type of parameter.

    Declaration

    Source position: db.pas line 1500

    published property ParamType: TParamType;

    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

    Name Description
    TParam.DataType Data type of the parameter.
    TParam.DataSize
    TParam.Name Name of the parameter.