Raise an EVariantOverflowError error.
Source position: variants.pp line 307
| procedure VarOverflowError; | 
| const ASourceType: tvartype; | 
| const ADestType: tvartype | 
| ); | 
| ASourceType | 
 | Source variant type. | 
| ADestType | 
 | Destination variant type. | 
VarOverflowError raises a EVariantOverflowError exception with a description of the ASourceType and ADestType types in the message.
| 
 | Error raised when an overflow error is detected. | |
| 
 | Raise an EVariantInvalidOpError error. | |
| 
 | Raise a EVariantInvalidOpError error. |