source koden er her, hvis du kan bruge det til noget. Jeg har selv brugt komponenten i forbindelse med et webbaseret kasseapparat, så det burde virke
using System;
using System.Drawing.Printing;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using Microsoft.Win32;
namespace PrintWithoutPrompt
{
/// <summary>
///
/// </summary>
public class Class2 : System.Windows.Forms.Control
{
/// <summary>
///
/// </summary>
/// <param name="printerName"></param>
/// <returns></returns>
[DllImport("Winspool.drv")]
public static extern bool SetDefaultPrinter(string printerName);
private AxSHDocVw.AxWebBrowser wb;
private string sUrl;
private string sPrinterName;
private string orig_marginBottom;
private string orig_marginTop;
private string orig_marginLeft;
private string orig_marginRight;
private string marginBottom;
private string marginTop;
private string marginLeft;
private string marginRight;
private System.ComponentModel.Container components = null;
/// <summary>
///
/// </summary>
public Class2()
{
InitializeComponent();
// Load default margin values
loadDefaultMargins();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Class2));
this.wb = new AxSHDocVw.AxWebBrowser();
((System.ComponentModel.ISupportInitialize)(this.wb)).BeginInit();
this.SuspendLayout();
//
// wb
//
this.wb.Enabled = true;
this.wb.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("wb.OcxState")));
this.wb.Size = new System.Drawing.Size(0, 0);
this.wb.TabIndex = 0;
this.wb.DocumentComplete += new AxSHDocVw.DWebBrowserEvents2_DocumentCompleteEventHandler(this.wb_DocumentComplete);
//
// Class2
//
this.Controls.Add(this.wb);
this.Size = new System.Drawing.Size(0, 0);
((System.ComponentModel.ISupportInitialize)(this.wb)).EndInit();
this.ResumeLayout(false);
}
#endregion
private bool IsPrinterEnabled()
{
int response = (int) wb.QueryStatusWB(SHDocVw.OLECMDID.OLECMDID_PRINT);
return (response & (int) SHDocVw.OLECMDF.OLECMDF_ENABLED) != 0 ? true : false;
}
private void PrintPage()
{
if (!IsPrinterEnabled())
{
return;
}
object o = "";
SHDocVw.OLECMDID print = SHDocVw.OLECMDID.OLECMDID_PRINT;
SHDocVw.OLECMDEXECOPT dontPromptUser = SHDocVw.OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER;
// write new margins
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\PageSetup");
key.SetValue("margin_bottom", marginBottom);
key.SetValue("margin_top", marginTop);
key.SetValue("margin_left", marginLeft);
key.SetValue("margin_right", marginRight);
wb.ExecWB(print, dontPromptUser, ref o, ref o);
// write original margins
restoreDefaultMargins();
}
private void loadDefaultMargins()
{
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\PageSetup");
orig_marginBottom = marginBottom = key.GetValue("margin_bottom").ToString();
orig_marginTop = marginTop = key.GetValue("margin_top").ToString();
orig_marginLeft = marginLeft = key.GetValue("margin_left").ToString();
orig_marginRight = marginRight = key.GetValue("margin_right").ToString();
}
private void restoreDefaultMargins()
{
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\PageSetup");
key.SetValue("margin_bottom", orig_marginBottom);
key.SetValue("margin_top", orig_marginTop);
key.SetValue("margin_left", orig_marginLeft);
key.SetValue("margin_right", orig_marginRight);
}
private void wb_DocumentComplete(object sender, AxSHDocVw.DWebBrowserEvents2_DocumentCompleteEvent e)
{
PrintPage();
}
/// <summary>
/// Prints the page set by the <see cref="Url"/> url-property to the default printer set by the <see cref="PrinterName"/> PrinterName-property.
/// </summary>
public void Print()
{
object o = null;
wb.GoHome();
wb.Navigate(sUrl, ref o, ref o, ref o, ref o);
}
/// <summary>
/// Sets the url which the <see cref="Print"/> Print-procedure will print.
/// </summary>
public string Url
{
set
{
this.sUrl = value;
}
get
{
return sUrl;
}
}
/// <summary>
/// Set the default printer. This is the printer which the <see cref="Print"/> print-procedure prints the page to. For a list of printers use <see cref="InstalledPrinters"/> InstalledPrinters.
/// </summary>
public string PrinterName
{
get
{
return this.sPrinterName;
}
set
{
bool success = SetDefaultPrinter(value);
if (!success)
{
throw new Exception("No such printer");
}
else
{
this.sPrinterName = value;
}
}
}
/// <summary>
/// Returns all the installed printers as a comma-separated string. If you wan't the number of installed printers use <see cref="NumberOfInstalledPrinters"/> NumberOfInstalledPrinters.
/// </summary>
public string InstalledPrinters
{
get
{
string output = "";
foreach (string s in PrinterSettings.InstalledPrinters)
{
output += s +",";
}
return output;
}
}
/// <summary>
/// Returns the number of installed printers. If you want the names of the printers use <see cref="InstalledPrinters "/> InstalledPrinters, wich returns the names in a comma-separated string.
/// </summary>
public int NumberOfInstalledPrinters
{
get
{
return PrinterSettings.InstalledPrinters.Count;
}
}
/// <summary>
///
/// </summary>
public string MarginTop
{
get
{
return marginTop;
}
set
{
marginTop = value;
}
}
/// <summary>
///
/// </summary>
public string MarginBottom
{
get
{
return marginBottom;
}
set
{
marginBottom = value;
}
}
/// <summary>
///
/// </summary>
public string MarginLeft
{
get
{
return marginLeft;
}
set
{
marginLeft = value;
}
}
/// <summary>
///
/// </summary>
public string MarginRight
{
get
{
return marginRight;
}
set
{
marginRight = value;
}
}
}
}
Ny bruger
Nybegynder
Opret
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