/// <summary>
/// Adds a new print driver in the system
/// </summary>
/// <param name="configFile"> The config file. </param>
/// <param name="dataFile"> The data file. </param>
/// <param name="dependentFiles"> The dependent files. </param>
/// <param name="driverPath"> The driver path. </param>
/// <param name="driverName"> The driver name. </param>
/// <param name="environment"> The environment. </param>
/// <param name="helpFile"> The help file. </param>
/// <param name="monitorName"> The monitor name. </param>
/// <param name="defaultDataType"> The default data type. </param>
/// <exception cref="Win32Exception">Raised when the operation errored for whatever reason</exception>
public void AddPrintDriver(
string configFile,
string dataFile,
string[] dependentFiles,
string driverPath,
string driverName,
string environment,
string helpFile = null,
string monitorName = null,
string defaultDataType = "RAW")
{
// DRIVER_INFO_6 structure type
const int DriverInfoVersion6 = 6;
// Create the full path to the print directory where these files *should* be installed to (we will find out
// if that is the case when attempting to add the driver as the call will fail
string printDirectory = GetPrinterDriverDirectory(environment);
Logger.Info("Print directory is " + printDirectory);
Func <string, string> installedPath = fileName => Path.Combine(printDirectory, fileName);
var di6 = new SafeNativeMethods.DRIVER_INFO_6();
di6.cVersion = 3;
di6.pName = driverName;
di6.pConfigFile = installedPath(configFile);
di6.pDataFile = installedPath(dataFile);
di6.pDependentFiles = dependentFiles.Length == 1 ? installedPath(dependentFiles[0]) : null;
di6.pDriverPath = installedPath(driverPath);
di6.pEnvironment = environment;
di6.pHelpFile = installedPath(helpFile);
di6.pMonitorName = monitorName;
di6.pDefaultDataType = defaultDataType;
int tryCount = 1;
while (true)
{
try
{
IntPtr intPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SafeNativeMethods.DRIVER_INFO_6)));
try
{
Marshal.StructureToPtr(di6, intPtr, false);
if (!SafeNativeMethods.AddPrinterDriverExW(
null,
DriverInfoVersion6,
intPtr,
SafeNativeMethods.APD_COPY_NEW_FILES))
{
int w32Error = Marshal.GetLastWin32Error();
throw new Win32Exception(w32Error);
}
Logger.Info("Print driver installed successfully with name of " + driverName + " after " + tryCount + " attempts");
break;
}
finally
{
if (IntPtr.Zero != intPtr)
{
Marshal.FreeHGlobal(intPtr);
}
}
}
catch (Win32Exception win32Ex)
{
// YUCK - on some machines, driver registration will fail the first time it is called (when run as an administrator).
// This retry loop is added to try and force the issue to see if it is a timing problem (simulates several attempts by the
// user to register the driver).
Logger.Warn("Error caught trying to create print driver : " + win32Ex);
Thread.Sleep(AddPrintDriverRetryInterval);
if (tryCount > AddPrintDriverRetryLimit)
{
Logger.Fatal("Retry count exceeded, unable to create print driver");
throw;
}
tryCount++;
}
}
}
