做预算查价格的网站是哪个好,做网站原型图软件,提升网站打开速度,手机兼职平台网站开发调用api弹出打印机属性对话框 Author:vitoriatangFrom:Internet.NET Framework封装了很多关于打印的对话框#xff0c;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#xff0c;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P… 调用api弹出打印机属性对话框 Author:vitoriatangFrom: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PrinterPropertiesDocumentPropertiesOpenPrinterClosePrinter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msdnsample 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 object2调用DocumentPropertiesprivate 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PrinterPropertiesprivate void printPropButton_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 PrinterProperties(this.Handle, pPrinter); ClosePrinter(pPrinter); }
