public IEnumerable <string> PrinterNames()
{
PrinterSystem PrnSystem = mcsApp.PrinterSystem();
Strings names = PrnSystem.Printers(enumKindOfPrinters.lppxAllPrinters);
for (int i = 1; i <= names.Count; i++)
{
yield return(names.Item(i));
}
Marshal.ReleaseComObject(names);
Marshal.ReleaseComObject(PrnSystem);
}
public bool SwitchPrinter(Document doc, string printerName)
{
PrinterSystem PrnSystem = mcsApp.PrinterSystem();
Strings names = PrnSystem.Printers(enumKindOfPrinters.lppxAllPrinters);
string currentName = doc.Printer.Name;
string fullName = doc.Printer.FullName;
string eachName = "";
if (currentName != printerName && fullName != printerName)
{
short count = names.Count;
for (short i = 1; i <= count; i++)
{
fullName = names.Item(i);
int pos = fullName.LastIndexOf(',');
if (pos != -1)
{
eachName = fullName.Substring(0, pos);
if (eachName == printerName || fullName == printerName)
{
bool bDirectAccess = false;
string PortName = fullName.Substring(pos + 1);
if (PortName.StartsWith("->"))
{
PortName = PortName.Substring(2);
bDirectAccess = true;
}
var printer = doc.Printer;
printer.SwitchTo(printerName, PortName, bDirectAccess);
Marshal.ReleaseComObject(printer);
return(true);
}
}
}
Marshal.ReleaseComObject(names);
Marshal.ReleaseComObject(PrnSystem);
return(false);
}
return(true);
}
