如何检测打印机的状态?急!!! 可以直接与我联系[email protected]我等着急用?谢谢 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 你看看这篇文章或许对有些用http://www.csdn.net/expert/Topic/821.shtm to shirong:getdevicemap函数的资料我翻了半天书找不到,你能否介绍一下,或者用代码示范一下,拜托? sorry 我打错了,因该是getdevicecaps,不过从你的情况来看,不需要用到这个函数,下面两个例子是我抄的,试试看吧!获取打印驱动、端口名 {$IFNDEF WIN32} const MAX_PATH = 144; {$ENDIF} procedure TForm1.Button1Click(Sender: TObject); var pDevice : pChar; pDriver : pChar; pPort : pChar; hDMode : THandle; begin if PrintDialog1.Execute then begin GetMem(pDevice, cchDeviceName); GetMem(pDriver, MAX_PATH); GetMem(pPort, MAX_PATH); Printer.GetPrinter(pDevice, pDriver, pPort, hDMode); if lStrLen(pDriver) = 0 then begin GetProfileString('Devices', pDevice, '', pDriver, MAX_PATH); pDriver[pos(',', pDriver) - 1] := #0; end; if lStrLen(pPort) = 0 then begin GetProfileString('Devices', pDevice, '', pPort, MAX_PATH); lStrCpy(pPort, @pPort[lStrLen(pPort)+2]); end; Memo1.Lines.Add('Device := ' + StrPas(pDevice)); Memo1.Lines.Add('Driver := ' + StrPas(pDriver)); Memo1.Lines.Add('Port := ' + StrPas(pPort)); FreeMem(pDevice, cchDeviceName); FreeMem(pDriver, MAX_PATH); FreeMem(pPort, MAX_PATH); end; end; 获取打印机状态 var pinfo: pPRINTERINFO2; pprt,a: Cardinal; b:PDWORD; begin b:=allocmem(256); pinfo:=AllocMem(1000); if OpenPrinter('HP DJ 200',pprt,nil) then begin a:=1000; if getprinter(pprt,2,pinfo,a,b) then showmessage(pinfo.pPrinterName+' ststus:'+inttostr(pinfo.Status)); ClosePrinter(pprt); end; freemem(b); freemem(pinfo); end; PRINTER_INFO_2.Status : Windows NT: PRINTER_STATUS_PAUSED PRINTER_STATUS_PENDING_DELETION Windows 95: PRINTER_STATUS_BUSY PRINTER_STATUS_DOOR_OPEN PRINTER_STATUS_ERROR PRINTER_STATUS_INITIALIZING PRINTER_STATUS_IO_ACTIVE PRINTER_STATUS_MANUAL_FEED PRINTER_STATUS_NO_TONER PRINTER_STATUS_NOT_AVAILABLE PRINTER_STATUS_OFFLINE PRINTER_STATUS_OUT_OF_MEMORY PRINTER_STATUS_OUTPUT_BIN_FULL PRINTER_STATUS_PAGE_PUNT PRINTER_STATUS_PAPER_JAM PRINTER_STATUS_PAPER_OUT PRINTER_STATUS_PAPER_PROBLEM PRINTER_STATUS_PAUSED PRINTER_STATUS_PENDING_DELETION PRINTER_STATUS_PRINTING PRINTER_STATUS_PROCESSING PRINTER_STATUS_TONER_LOW PRINTER_STATUS_UNAVAILABLE PRINTER_STATUS_USER_INTERVENTION PRINTER_STATUS_WAITING PRINTER_STATUS_WARMING_UP 老兄你没看懂吗?要用INFO来判断 to shirong:拜托介绍如何用info判断? 招聘高级Windows开发程序员 多线程 DLL 超简单问题,请问如何关闭当前的窗体,请大家帮忙!在线等候!!在线等候!!! 现在的女性真幸福! 一个简单的问题 我用delphi显示数据库的时候只显示数字类型的,不显示字符型 问一个关于treeview的问题??很急的.马上结帐 TRegistry和TRegIniFile有什么区别? 如何播放背景音乐? 局域网内idtcp.writeln+readln需要200ms,正常吗? Delphi有无取得日期月份和年份的函数? pc机与单片机51的串口通讯问题
http://www.csdn.net/expert/Topic/821.shtm
getdevicemap函数的资料我翻了半天书找不到,你能否介绍一下,
或者用代码示范一下,拜托?
到这个函数,下面两个例子是我抄的,试试看吧!获取打印驱动、端口名 {$IFNDEF WIN32}
const MAX_PATH = 144;
{$ENDIF} procedure TForm1.Button1Click(Sender: TObject);
var
pDevice : pChar;
pDriver : pChar;
pPort : pChar;
hDMode : THandle;
begin
if PrintDialog1.Execute then begin
GetMem(pDevice, cchDeviceName);
GetMem(pDriver, MAX_PATH);
GetMem(pPort, MAX_PATH);
Printer.GetPrinter(pDevice, pDriver, pPort, hDMode);
if lStrLen(pDriver) = 0 then begin
GetProfileString('Devices', pDevice, '', pDriver, MAX_PATH);
pDriver[pos(',', pDriver) - 1] := #0;
end;
if lStrLen(pPort) = 0 then begin
GetProfileString('Devices', pDevice, '', pPort, MAX_PATH);
lStrCpy(pPort, @pPort[lStrLen(pPort)+2]);
end;
Memo1.Lines.Add('Device := ' + StrPas(pDevice));
Memo1.Lines.Add('Driver := ' + StrPas(pDriver));
Memo1.Lines.Add('Port := ' + StrPas(pPort));
FreeMem(pDevice, cchDeviceName);
FreeMem(pDriver, MAX_PATH);
FreeMem(pPort, MAX_PATH);
end;
end; 获取打印机状态
var
pinfo: pPRINTERINFO2;
pprt,a: Cardinal;
b:PDWORD;
begin
b:=allocmem(256);
pinfo:=AllocMem(1000);
if OpenPrinter('HP DJ 200',pprt,nil) then
begin
a:=1000;
if getprinter(pprt,2,pinfo,a,b) then
showmessage(pinfo.pPrinterName+' ststus:'+inttostr(pinfo.Status));
ClosePrinter(pprt);
end; freemem(b);
freemem(pinfo);
end; PRINTER_INFO_2.Status :
Windows NT:
PRINTER_STATUS_PAUSED
PRINTER_STATUS_PENDING_DELETION
Windows 95:
PRINTER_STATUS_BUSY
PRINTER_STATUS_DOOR_OPEN
PRINTER_STATUS_ERROR
PRINTER_STATUS_INITIALIZING
PRINTER_STATUS_IO_ACTIVE
PRINTER_STATUS_MANUAL_FEED
PRINTER_STATUS_NO_TONER
PRINTER_STATUS_NOT_AVAILABLE
PRINTER_STATUS_OFFLINE
PRINTER_STATUS_OUT_OF_MEMORY
PRINTER_STATUS_OUTPUT_BIN_FULL
PRINTER_STATUS_PAGE_PUNT
PRINTER_STATUS_PAPER_JAM
PRINTER_STATUS_PAPER_OUT
PRINTER_STATUS_PAPER_PROBLEM
PRINTER_STATUS_PAUSED
PRINTER_STATUS_PENDING_DELETION
PRINTER_STATUS_PRINTING
PRINTER_STATUS_PROCESSING
PRINTER_STATUS_TONER_LOW
PRINTER_STATUS_UNAVAILABLE
PRINTER_STATUS_USER_INTERVENTION
PRINTER_STATUS_WAITING
PRINTER_STATUS_WARMING_UP
要用INFO来判断
拜托介绍如何用info判断?