TPrinter.DoSetOrientation procedure
Sets the page orientation for a printer device.
Declaration
procedure DoSetOrientation(aValue: TPrinterOrientation); virtualArguments
aValue | Page orientation applied to the print device. |
Description
DoSetOrientation is a virtual procedure used to perform actions
needed to set the page orientation for a print device.
AValue is a
value from the
TPrinterOrientation enumeration applied to the
print device. See
TPrinterOrientation
for more information about the enumeration values and their meanings.
DoSetOrientation is called when a new value is assigned to the
Orientation property.
In
TPrinter, DoSetOrientation has an empty implementation. It must
be overridden in a descendent class to perform actions needed for the
operating system / widgetset / printer-related technology used in the
implementation.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.