public static bool CancelAllPrintJobs(PrintJobTitle printJob, string host)
{
try
{
LogHelper.LogDebug("Need to Cancel at " + host);
bool isActionPerformed = false;
ManagementScope scope = new ManagementScope("\\\\" + host + "\\root\\cimv2");
scope.Connect();
ObjectQuery query = new ObjectQuery(_searchQueryPrintJobs);
ManagementObjectSearcher searchPrintJobs = new ManagementObjectSearcher(scope, query);
ManagementObjectCollection prntJobCollection = searchPrintJobs.Get();
int cancelCount = 0;
foreach (ManagementObject prntJob in prntJobCollection)
{
PrintJobTitle _titleX = new PrintJobTitle(prntJob);
LogHelper.LogDebug(host + " has to Cancel " + _titleX + " | " + printJob);
if (_titleX.Equals(printJob))
{
LogHelper.LogDebug("Cancelling at " + host);
//performs an action similar to the cancel operation of windows print console
prntJob.Delete();
isActionPerformed = true;
cancelCount++;
}
}
LogHelper.LogDebug("Cancelled " + cancelCount + " | " + host);
return(isActionPerformed);
}
catch (Exception ex)
{
LogHelper.Log(ex);
return(false);
}
}
private static bool _PauseResumePrintJobLocal(PrintJobTitle title, string methodName)
{
try
{
LogHelper.LogDebug("Local Need to " + methodName);
bool isActionPerformed = false;
ManagementObjectSearcher searchPrintJobs = new ManagementObjectSearcher(_searchQueryPrintJobs);
ManagementObjectCollection prntJobCollection = searchPrintJobs.Get();
LogHelper.LogDebug("Local Enumerate Jobs at " + Environment.MachineName + ", " + prntJobCollection.Count);
foreach (ManagementObject prntJob in prntJobCollection)
{
PrintJobTitle _titleX = new PrintJobTitle(prntJob);
if (_titleX.Equals(title))
{
LogHelper.LogDebug("Local " + methodName.Substring(0, methodName.Length - 1) + "ing...");
prntJob.InvokeMethod(methodName, null);
isActionPerformed = true;
LogHelper.LogDebug(methodName);
break;
}
}
return(isActionPerformed);
}
catch (Exception ex)
{
LogHelper.Log(ex);
return(false);
}
}
/// <summary>
/// Checks if the print queue of the specified host has the specified title
/// </summary>
/// <param name="host">host to be inspected</param>
/// <param name="title">title to be found</param>
/// <returns>true if the title is present; otherwise false</returns>
public static bool HasPrintJob(string host, PrintJobTitle title)
{
if (String.IsNullOrWhiteSpace(host))
{
return(false);
}
if (title == null)
{
return(false);
}
try
{
foreach (ManagementObject item in GetPrintJobs(host, title.PrinterName))
{
if (title.Equals(new PrintJobTitle(item)))
{
return(true);
}
}
}
catch (Exception ex)
{
LogHelper.Log(ex);
}
return(false);
}
/// Methods
#region Methods
/// <summary>
/// Checks if the watcher is watching specified job
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public bool IsWatchingThisJob(PrintJobData data)
{
if (data == null)
{
return(false);
}
//if (_printJob.PrintJobTitle.PrinterName == data.PrintJobTitle.PrinterName && _printJob.PrintJobTitle.Document == data.PrintJobTitle.Document)
if (PrintJobTitle.Equals(data.PrintJobTitle))
{
return(true);
}
return(false);
}
private static bool _PauseResumePrintJob(PrintJobTitle title, string methodName)
{
if (title.Host == Environment.MachineName)
{
return(_PauseResumePrintJobLocal(title, methodName));
}
try
{
LogHelper.LogDebug("Need to " + methodName + " at " + title.Host);
bool isActionPerformed = false;
ManagementScope scope = new ManagementScope("\\\\" + title.Host + "\\root\\cimv2");
scope.Connect();
ObjectQuery query = new ObjectQuery(_searchQueryPrintJobs);
ManagementObjectSearcher searchPrintJobs = new ManagementObjectSearcher(scope, query);
ManagementObjectCollection prntJobCollection = searchPrintJobs.Get();
LogHelper.LogDebug("Enumerate Jobs at " + title.Host + ", " + prntJobCollection.Count);
foreach (ManagementObject prntJob in prntJobCollection)
{
PrintJobTitle _titleX = new PrintJobTitle(prntJob);
if (_titleX.Equals(title))
{
LogHelper.LogDebug(methodName.Substring(0, methodName.Length - 1) + "ing... " + title.Host);
prntJob.InvokeMethod(methodName, null);
isActionPerformed = true;
LogHelper.LogDebug(methodName + " " + title.Host);
//break;
}
}
return(isActionPerformed);
}
catch (Exception ex)
{
LogHelper.Log(ex);
return(false);
}
}
