private bool AddPortMonitor(MONITOR_INFO_2 newMonitor)
{
bool monitorAdded = false;
if ((NativeMethods.AddMonitor(null, 2, ref newMonitor) != 0))
{
monitorAdded = true;
}
return(monitorAdded);
}
/// <summary>
/// Adds the PDF Scribe port monitor
/// </summary>
/// <param name="monitorFilePath">Directory where the uninstalled monitor dll is located</param>
/// <returns>true if the monitor is installed, false if install failed</returns>
public bool AddPdfScribePortMonitor(String monitorFilePath)
{
bool monitorAdded = false;
IntPtr oldRedirectValue = IntPtr.Zero;
try
{
oldRedirectValue = DisableWow64Redirection();
if (!DoesMonitorExist(PORTMONITOR))
{
// Copy the monitor DLL to
// the system directory
String fileSourcePath = Path.Combine(monitorFilePath, MONITORDLL);
String fileDestinationPath = Path.Combine(Environment.SystemDirectory, MONITORDLL);
try
{
File.Copy(fileSourcePath, fileDestinationPath, true);
}
catch (IOException)
{
// File in use, log -
// this is OK because it means the file is already there
}
MONITOR_INFO_2 newMonitor = new MONITOR_INFO_2();
newMonitor.pName = PORTMONITOR;
newMonitor.pEnvironment = ENVIRONMENT_64;
newMonitor.pDLLName = MONITORDLL;
if (!AddPortMonitor(newMonitor))
{
logEventSource.TraceEvent(TraceEventType.Error,
(int)TraceEventType.Error,
String.Format("Could not add port monitor {0}", PORTMONITOR) + Environment.NewLine +
String.Format(WIN32ERROR, Marshal.GetLastWin32Error().ToString()));
}
else
{
monitorAdded = true;
}
}
else
{
// Monitor already installed -
// log it, and keep going
logEventSource.TraceEvent(TraceEventType.Warning,
(int)TraceEventType.Warning,
String.Format("Port monitor {0} already installed.", PORTMONITOR));
monitorAdded = true;
}
}
finally
{
if (oldRedirectValue != IntPtr.Zero)
{
RevertWow64Redirection(oldRedirectValue);
}
}
return(monitorAdded);
}
internal static extern Int32 AddMonitor(String pName, UInt32 Level, ref MONITOR_INFO_2 pMonitors);
