TCustomVariantType.Clear procedure
Clear a value.
Declaration
procedure Clear(var V: tvardata); virtual; abstractArguments
V | Custom variant value to clear. |
Description
Clear is called when a variant value must be cleared, by
VarClear.
This is an abstract method that must be overridden and implemented in descendent classes.
When the method returns, the type of the variant record must be
varClear
If the custom variant value used some heap memory (for intance in an object) then this is the place to release that memory.
Errors
If this method is not overridden, an abstract error will be thrown.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.
