TPrinter.CheckRawMode procedure
Ensures that RawMode contains the specified value.
Declaration
procedure CheckRawMode(const Value: Boolean; Msg: string='')Arguments
Value | Value required in the RawMode property. |
Msg | Message text for an exception raised in the method. |
Description
CheckRawMode is a procedure used to ensure that the
RawMode property contains the specified
Value. If
RawMode does not have the requested value, an
EPrinter exception
is raised.
Msg contains the message text for the exception. When
Msg is not specified, or contains an empty string (
''), a default
message is used:
- Value is True
- Msg contains 'Printer is in Raw Mode'
- Value is False
- Msg contains 'Printer is not in Raw Mode'
CheckRawMode is called when getting the value for the Canvas
property.
Errors
Raises an EPrinter exception when RawMode does not
contain the required value.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.