Parameter type.
Source position: db.pas line 1378
| type TParamType = ( | ||
| ptUnknown, | 
 | Unknown type. | 
| ptInput, | 
 | Input parameter. | 
| ptOutput, | 
 | Output parameter, filled on result. | 
| ptInputOutput, | 
 | Input/output parameter. | 
| ptResult | 
 | Result parameter. | 
| ); | 
TParamType indicates the kind of parameter represented by a TParam instance. it has one of the following values:
| 
 | Parameter description class. | |
| 
 | Type of parameter. |