TXMLObjectWriter.WriteVariant procedure
Serializes a Variant value using the XML format for the object writer.
Declaration
procedure WriteVariant(const VarValue: Variant); overrideArguments
VarValue | Variant value serialized in the method. |
Description
Supports the following variant types:
- varEmpty
- Stores 'nil' in the value attribute.
- varNull
- Stores 'null' in the value attribute.
- varShortInt, varSmallInt, varInteger, varInt64
- Calls WriteInteger to store the value attribute.
- varQWord
- Calls WriteUInt64 to store the value attribute.
- varBoolean
- Calls WriteBoolean to store the value attribute.
- varCurrency
- Calls WriteCurrency to store the value attribute.
- varSingle
- Calls WriteSingle to store the value attribute.
- varDouble
- Calls WriteFloat to store the value attribute.
- varDate
- Calls WriteDate to store the value attribute.
- varOleStr, varString
- Calls WriteWideString to store the value attribute.
Raises an EWriteError exception if any other variant type is encountered in the method.
Included when USE_NEW_READER_WRITER has been defined in the LCL.
Errors
Raises an EWriteError exception if any other variant type is encountered in the method.
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.