Mega Code Archive
Print a PRN file
<![CDATA[
Title: print a PRN file?
uses
Printers, Winspool;
function SpoolFile(const FileName, PrinterName: string): Integer;
var
Buffer: record
JobInfo: record // ADDJOB_INFO_1
Path: PChar;
JobID: DWORD;
end;
PathBuffer: array[0..255] of Char;
end;
SizeNeeded: DWORD;
Handle: THandle;
PrtName: string;
ok: Boolean;
begin
// Flush job to printer
PrtName := PrinterName;
if PrtName = '' then
PrtName := Printer.Printers[Printer.PrinterIndex]; // Default printer name
ok := False;
if OpenPrinter(PChar(PrtName), Handle, nil) then
if AddJob(Handle, 1, @Buffer, SizeOf(Buffer), SizeNeeded) then
if CopyFile(PChar(FileName), Buffer.JobInfo.Path, True) then
if ScheduleJob(Handle, Buffer.JobInfo.JobID) then
ok := True;
if not ok then Result := GetLastError
else
Result := 0;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if SpoolFile('c:\test.prn', Printer.Printers[0]) = 0 then
ShowMessage('No error...');
end;
]]>