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Set Default Printer

How do you set the default printer in C#? I have added a printer and now
want to set that printer to the default. Listed below is my code, but I am
getting an "Invalid method Parameter(s)" error on the 4th line:

ManagementClass printerClass = new ManagementClass("Win32_Printer");
object[] printerName = {"\\\\REGWPROD\\REGW0951"};
object result = printerClass.InvokeMethod("AddPrinterConnection",
printerName);
result = printerClass.InvokeMethod("SetDefaultPrinter", printerName);

Can anyone tell me what I am missing?

Thanks
Andy
Nov 17 '05 #1
2 11334
I use this code in VB.Net. You shouldn't too much problem converting it:

Dim strOldPrinter As String

Dim WshNetwork As Object

Dim pd As New PrintDocument

Try

strOldPrinter = pd.PrinterSettings.PrinterName

WshNetwork = Microsoft.VisualBasic.CreateObject("WScript.Networ k")

WshNetwork.SetDefaultPrinter(strPrinterName)

pd.PrinterSettings.PrinterName = strPrinterName

If pd.PrinterSettings.IsValid Then

Return True

Else

WshNetwork.SetDefaultPrinter(strOldPrinter)

Return False

End If

Catch exptd As Exception

WshNetwork.SetDefaultPrinter(strOldPrinter)

Return False

Finally

WshNetwork = Nothing

pd = Nothing

End Try
--
HTH

Éric Moreau, MCSD, Visual Developer - Visual Basic MVP
(http://aspnet2.com/mvp.ashx?EricMoreau)
Conseiller Principal / Senior Consultant
Concept S2i inc. (www.s2i.com)

"Andy" <An**@discussions.microsoft.com> wrote in message
news:C0**********************************@microsof t.com...
How do you set the default printer in C#? I have added a printer and now
want to set that printer to the default. Listed below is my code, but I
am
getting an "Invalid method Parameter(s)" error on the 4th line:

ManagementClass printerClass = new ManagementClass("Win32_Printer");
object[] printerName = {"\\\\REGWPROD\\REGW0951"};
object result = printerClass.InvokeMethod("AddPrinterConnection",
printerName);
result = printerClass.InvokeMethod("SetDefaultPrinter", printerName);

Can anyone tell me what I am missing?

Thanks
Andy

Nov 17 '05 #2
Eric:

Thank you

"Eric Moreau" wrote:
I use this code in VB.Net. You shouldn't too much problem converting it:

Dim strOldPrinter As String

Dim WshNetwork As Object

Dim pd As New PrintDocument

Try

strOldPrinter = pd.PrinterSettings.PrinterName

WshNetwork = Microsoft.VisualBasic.CreateObject("WScript.Networ k")

WshNetwork.SetDefaultPrinter(strPrinterName)

pd.PrinterSettings.PrinterName = strPrinterName

If pd.PrinterSettings.IsValid Then

Return True

Else

WshNetwork.SetDefaultPrinter(strOldPrinter)

Return False

End If

Catch exptd As Exception

WshNetwork.SetDefaultPrinter(strOldPrinter)

Return False

Finally

WshNetwork = Nothing

pd = Nothing

End Try
--
HTH

Éric Moreau, MCSD, Visual Developer - Visual Basic MVP
(http://aspnet2.com/mvp.ashx?EricMoreau)
Conseiller Principal / Senior Consultant
Concept S2i inc. (www.s2i.com)

"Andy" <An**@discussions.microsoft.com> wrote in message
news:C0**********************************@microsof t.com...
How do you set the default printer in C#? I have added a printer and now
want to set that printer to the default. Listed below is my code, but I
am
getting an "Invalid method Parameter(s)" error on the 4th line:

ManagementClass printerClass = new ManagementClass("Win32_Printer");
object[] printerName = {"\\\\REGWPROD\\REGW0951"};
object result = printerClass.InvokeMethod("AddPrinterConnection",
printerName);
result = printerClass.InvokeMethod("SetDefaultPrinter", printerName);

Can anyone tell me what I am missing?

Thanks
Andy


Nov 17 '05 #3

This thread has been closed and replies have been disabled. Please start a new discussion.

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