| Name | Description | 
  
    | AsBlob | Used to set and read the value of the BLOB parameter as string. | 
  
    | AsBlobRef | Used to set and read the value of the BLOB parameter as a TBlob object. | 
  
    | AsFloat | Used to assign the value for a float field to a parameter. | 
  
    | AsInteger | Used to assign the value for an integer field to the parameter. | 
  
    | AsLargeInt | Used to assign the value for a LargeInteger field to the parameter. | 
  
    | AsMemo | Used to assign the value for a memo field to the parameter. | 
  
    | AsMemoRef | Used to set and read the value of the memo parameter as a TBlob object. | 
  
    | AsSQLTimeStamp | Used to specify the value of the parameter when it represents a SQL timestamp field. | 
  
    | AsString | Used to assign the string value to the parameter. | 
  
    | AsWideString | Used to assign the Unicode string value to the parameter. | 
  
    | DataType | Indicates the data type of the parameter. | 
  
    | IsNull | Used to indicate whether the value assigned to a parameter is NULL. | 
  
    | ParamType | Used to indicate the type of use for a parameter. | 
  
    | Size | Specifies the size of a string type parameter. | 
  
    | Value | Used to represent the value of the parameter as Variant. |