打开打印机属性窗口

 1  public partial class Form1 : Form
 2     {
 3         private PrintDocument printDocument = null;
 4         private PrinterSettings printSettings = null;
 5 
 6         public Form1()
 7         {
 8             InitializeComponent();
 9 
10             printDocument = new PrintDocument();
11             printSettings = printDocument.PrinterSettings;
12             printSettings.PrinterName = "ZEBRA R110Xi4 300DPI";
13         }
14 
15        
16         private void btnProperties_Click(object sender, EventArgs e)
17         {
18             OpenPrinterPropertiesDialog(printSettings);
19         }
20 
21         [DllImport("winspool.Drv", EntryPoint = "DocumentPropertiesW", SetLastError = true,
22         ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
23         private static extern int DocumentProperties(IntPtr hwnd, IntPtr hPrinter,
24         [MarshalAs(UnmanagedType.LPWStr)] string pDeviceNameg,
25         IntPtr pDevModeOutput, IntPtr pDevModeInput, int fMode);
26 
27         [DllImport("kernel32.dll", ExactSpelling = true)]
28         public static extern IntPtr GlobalFree(IntPtr handle);
29 
30         [DllImport("kernel32.dll", ExactSpelling = true)]
31         public static extern IntPtr GlobalLock(IntPtr handle);
32 
33         [DllImport("kernel32.dll", ExactSpelling = true)]
34         public static extern IntPtr GlobalUnlock(IntPtr handle);
35 
36         private void OpenPrinterPropertiesDialog(PrinterSettings printerSettings)//Shows the printer settings dialogue that comes with the printer driver
37         {            
38             IntPtr hDevMode = IntPtr.Zero;
39             IntPtr devModeData = IntPtr.Zero;
40             IntPtr hPrinter = IntPtr.Zero;
41             String pName = printerSettings.PrinterName;
42             try
43             {
44                 //创建与打印机设置相对应的 DEVMODE 结构的句柄。 
45                 hDevMode = printerSettings.GetHdevmode(printerSettings.DefaultPageSettings);
46                 //锁定内存对象并返回一个指针 
47                 IntPtr pDevMode = GlobalLock(hDevMode);
48                 ////get needed size 
49                 int sizeNeeded = DocumentProperties(this.Handle, IntPtr.Zero, pName, IntPtr.Zero, IntPtr.Zero, 0); 
50 
51                 if (sizeNeeded < 0)
52                 {
53                    throw new Exception();
54                 }
55 
56                 //allocate memory
57                 devModeData = Marshal.AllocHGlobal(sizeNeeded);
58                 //show the native dialog 
59                 int returncode = DocumentProperties(this.Handle, IntPtr.Zero, pName, devModeData, pDevMode, 14);
60 
61                 //Failure to display native dialog
62                 if (returncode < 0) 
63                 {
64                     throw new Exception();
65                 }
66 
67                 //unlocks the memory
68                 GlobalUnlock(hDevMode);
69 
70                 if (devModeData != IntPtr.Zero)
71                 {
72                     printerSettings.SetHdevmode(devModeData);
73                     //printerSettings.DefaultPageSettings.SetHdevmode(devModeData);
74                 }
75             }
76             catch (Exception ex)
77             {
78                 throw;
79             }
80             finally
81             {
82                 if (hDevMode != IntPtr.Zero)
83                 {
84                     Marshal.FreeHGlobal(hDevMode);
85                     hDevMode = IntPtr.Zero;
86                 }
87                 if (devModeData != IntPtr.Zero)
88                 {
89                     Marshal.FreeHGlobal(devModeData);
90                     devModeData = IntPtr.Zero;
91                 }
92             }
93         }
94     }