[Overview][Types][Classes][Variables][Index] Reference for unit 'Printers' (#lcl)

TPrinter.CheckRawMode

Ensures that RawMode contains the specified value.

Declaration

Source position: printers.pas line 301

protected procedure TPrinter.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

TPrinter.RawMode

  

Indicates if raw output is used for the device (as opposed to a page description language).

TPrinter.Canvas

  

The Canvas to be used for laying out the current document ready for printing.

EPrinter

  

Exception raised for errors in TPrinter methods.
Version 3.2 Generated 2024-02-25 Home