set default printer

Hi,
I have a problem to set default printer programatically using c#. My codes
works well in windows2003,but it fails in windows2000.
My codes is just listed below:

System.Management.ManagementObjectSearcher query;
ManagementObjectCollection queryCollection;
string classname = "SELECT * FROM Win32_Printer";
query = new ManagementObjectSearcher(classname);
if (oldPrinter != myPrinter)
{
queryCollection = query.Get();
foreach (ManagementObject mo in queryCollection)
{
if (string.Compare(mo["Name"].ToString(), myPrinter, true) == 0)
{
mo.InvokeMethod("SetDefaultPrinter", null);
break;
}
}
}

Can anyone help me? Thank you in advance!

StevenSw
Thu May 11 21:01:02 CDT 2006

What error is being thrown?

"Crespo" wrote:

> Hi,
> I have a problem to set default printer programatically using c#. My codes
> works well in windows2003,but it fails in windows2000.
> My codes is just listed below:
>
> System.Management.ManagementObjectSearcher query;
> ManagementObjectCollection queryCollection;
> string classname = "SELECT * FROM Win32_Printer";
> query = new ManagementObjectSearcher(classname);
> if (oldPrinter != myPrinter)
> {
> queryCollection = query.Get();
> foreach (ManagementObject mo in queryCollection)
> {
> if (string.Compare(mo["Name"].ToString(), myPrinter, true) == 0)
> {
> mo.InvokeMethod("SetDefaultPrinter", null);
> break;
> }
> }
> }
>
> Can anyone help me? Thank you in advance!
>
>
>

Crespo
Fri May 12 10:34:37 CDT 2006

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Crespo


"Steven" <StevenSw@community.nospam> дÈëÏûÏ¢
news:D6E50C22-D1A4-4F50-809B-5C82655DEF56@microsoft.com...
What error is being thrown?

"Crespo" wrote:

> Hi,
> I have a problem to set default printer programatically using c#. My
codes
> works well in windows2003,but it fails in windows2000.
> My codes is just listed below:
>
> System.Management.ManagementObjectSearcher query;
> ManagementObjectCollection queryCollection;
> string classname = "SELECT * FROM Win32_Printer";
> query = new ManagementObjectSearcher(classname);
> if (oldPrinter != myPrinter)
> {
> queryCollection = query.Get();
> foreach (ManagementObject mo in queryCollection)
> {
> if (string.Compare(mo["Name"].ToString(), myPrinter, true) == 0)
> {
> mo.InvokeMethod("SetDefaultPrinter", null);
> break;
> }
> }
> }
>
> Can anyone help me? Thank you in advance!
>
>
>