[转] 　调用api弹出打印机属性对话框 [http://blog.youkuaiyun.com/yongping8204/archive/2007/06/26/1666901.aspx]

最新推荐文章于 2020-11-23 17:39:12 发布

原创最新推荐文章于 2020-11-23 17:39:12 发布 · 779 阅读

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文章标签：

#api #object #string #internet #null #.net

本文介绍了如何使用.NET Framework中的API来实现打印机属性和配置对话框的弹出。通过调用如DocumentProperties和PrinterProperties等函数，可以在应用程序中提供更丰富的打印设置选项。

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调用api弹出打印机属性对话框
Author:vitoriatang
From:Internet
.NET Framework封装了很多关于打印的对话框，比如说PrintDialog, PageSetupDialog.
但是有的时候我们还需要关心打印机属性对话框，那么就可以调用API来解决这个问题。有几个API函数与之相关
PrinterProperties
DocumentProperties
OpenPrinter
ClosePrinter
逐一介绍

printerproperties
显示打印机属性对话框。

documentproperties
显示打印机配置对话框。

openprinter
打开打印机

closeprinter
关闭打印机

在调用printerproperties或者documentproperties的时候，都需要先调用openprinter，并在结束后调用closeprinter。

至于打印机属性和打印机配置有什么不同，就自己领会了。更为详尽的信息可以查阅msdn

sample codes:
1. 声明API函数
       [System.Runtime.InteropServices.DllImportAttribute("winspool.drv", SetLastError = true)]
       public extern static int DocumentProperties(
            IntPtr hWnd,              // handle to parent window
            IntPtr hPrinter,           // handle to printer object
            string pDeviceName,   // device name
            ref IntPtr pDevModeOutput, // modified device mode
            ref IntPtr pDevModeInput,   // original device mode
            int fMode);                 // mode options

        [System.Runtime.InteropServices.DllImportAttribute("winspool.drv")]
        public static extern int PrinterProperties(
            IntPtr hwnd, // handle to parent window
            IntPtr hPrinter); // handle to printer object

         [System.Runtime.InteropServices.DllImportAttribute("winspool.drv", SetLastError = true)]
        public extern static int OpenPrinter(
            string pPrinterName,   // printer name
            ref IntPtr hPrinter,      // handle to printer object
            ref IntPtr pDefault);    // handle to default printer object.

        [System.Runtime.InteropServices.DllImportAttribute("winspool.drv", SetLastError = true)]
        public static extern int ClosePrinter(
            IntPtr phPrinter); // handle to printer object

2．调用DocumentProperties
private void documentPropButton_Click(object sender, EventArgs e)
{
string printerName = _document.PrinterSettings.PrinterName;

            if (printerName != null && printerName.Length > 0)
            {
                IntPtr pPrinter = IntPtr.Zero;
                IntPtr pDevModeOutput = IntPtr.Zero;
                IntPtr pDevModeInput = IntPtr.Zero;
                IntPtr nullPointer = IntPtr.Zero;

OpenPrinter(printerName, ref pPrinter, ref nullPointer);

                int iNeeded = DocumentProperties(this.Handle, pPrinter, printerName, ref pDevModeOutput, ref pDevModeInput, 0);
                pDevModeOutput = System.Runtime.InteropServices.Marshal.AllocHGlobal(iNeeded);
                DocumentProperties(this.Handle, pPrinter, printerName, ref pDevModeOutput, ref pDevModeInput, DM_PROMPT);
                ClosePrinter(pPrinter);
            }
        }

3．调用PrinterProperties
private void printPropButton_Click(object sender, EventArgs e)
{
string printerName = _document.PrinterSettings.PrinterName;

OpenPrinter(printerName, ref pPrinter, ref nullPointer);

                int iNeeded = PrinterProperties(this.Handle, pPrinter);
                ClosePrinter(pPrinter);
            }
        }

具体代码见例子