में अंतिम बिंदु को देखने के लिए हो सकता है इन पंक्तियों के साथ - यह पावरपॉइंट अनुप्रयोगों को बंद करने का सबसे आसान तरीका है जो छोड़ने के लिए कहा जाने पर साफ़ नहीं होगा।
यह मैं कैसे हत्या अंत/PowerPoint (दस्तावेज़ पथ द्वारा निर्दिष्ट है कि खोल दिया गया है) को बंद करने
/// <summary>
/// Close open PowerPoint document
/// </summary>
/// <param name="path">Path to document</param>
/// <param name="saveChanges">Save changes to document</param>
public void PowerPointCloseOpenDocument(String path, Boolean saveChanges = true)
{
ppApp = getPowerPointApp(path);
PowerPoint.Presentation pp = null;
if (!String.IsNullOrEmpty(path))
{
foreach (PowerPoint.Presentation p in ppApp.Presentations)
{
if (p.FullName.Equals(path, StringComparison.CurrentCultureIgnoreCase))
{
try
{
pp = p;
}
catch (Exception)
{ }
break;
}
}
}
if(saveChanges)
{
if(pp!=null)
{
pp.Save();
}
}
if(pp!= null)
{
Marshal.FinalReleaseComObject(pp);
}
if(null != ppApp)
{
Marshal.FinalReleaseComObject(ppApp);
}
var procs = FileUtil.WhoIsLocking(path);
if(procs!= null)
{
foreach(var proc in procs)
{
proc.Kill();
}
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
}
private PowerPoint.Application getPowerPointApp(String path = "")
{
try
{
PowerPoint.Application ppapp = null;
try
{
if (!String.IsNullOrEmpty(path))
{
ppapp = ((PowerPoint.Presentation)System.Runtime.InteropServices.Marshal.BindToMoniker(path)).Application;
}
}
catch (Exception) { }
if (ppapp == null)
{
try
{
ppapp = (PowerPoint.Application)System.Runtime.InteropServices.Marshal.GetActiveObject("PowerPoint.Application");
}
catch (Exception)
{
ppapp = new PowerPoint.Application();
ppapp.Visible = Microsoft.Office.Core.MsoTriState.msoTrue;
}
}
if (ppapp != null)
{
ppapp.DisplayAlerts = Microsoft.Office.Interop.PowerPoint.PpAlertLevel.ppAlertsNone;
}
try { ppapp.Activate(); }
catch (Exception) { }
return ppapp;
}
catch (Exception)
{
return (PowerPoint.Application)Activator.CreateInstance(Type.GetTypeFromProgID("PowerPoint.Application"));
}
}
फ़ाइल util कक्षा जो आप प्रक्रियाओं वर्तमान में एक दस्तावेज पर ताला लगा की सूची के साथ प्रदान करता है।
static public class FileUtil
{
[StructLayout(LayoutKind.Sequential)]
struct RM_UNIQUE_PROCESS
{
public int dwProcessId;
public System.Runtime.InteropServices.ComTypes.FILETIME ProcessStartTime;
}
const int RmRebootReasonNone = 0;
const int CCH_RM_MAX_APP_NAME = 255;
const int CCH_RM_MAX_SVC_NAME = 63;
enum RM_APP_TYPE
{
RmUnknownApp = 0,
RmMainWindow = 1,
RmOtherWindow = 2,
RmService = 3,
RmExplorer = 4,
RmConsole = 5,
RmCritical = 1000
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
struct RM_PROCESS_INFO
{
public RM_UNIQUE_PROCESS Process;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCH_RM_MAX_APP_NAME + 1)]
public string strAppName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCH_RM_MAX_SVC_NAME + 1)]
public string strServiceShortName;
public RM_APP_TYPE ApplicationType;
public uint AppStatus;
public uint TSSessionId;
[MarshalAs(UnmanagedType.Bool)]
public bool bRestartable;
}
[DllImport("rstrtmgr.dll", CharSet = CharSet.Unicode)]
static extern int RmRegisterResources(uint pSessionHandle,
UInt32 nFiles,
string[] rgsFilenames,
UInt32 nApplications,
[In] RM_UNIQUE_PROCESS[] rgApplications,
UInt32 nServices,
string[] rgsServiceNames);
[DllImport("rstrtmgr.dll", CharSet = CharSet.Auto)]
static extern int RmStartSession(out uint pSessionHandle, int dwSessionFlags, string strSessionKey);
[DllImport("rstrtmgr.dll")]
static extern int RmEndSession(uint pSessionHandle);
[DllImport("rstrtmgr.dll")]
static extern int RmGetList(uint dwSessionHandle,
out uint pnProcInfoNeeded,
ref uint pnProcInfo,
[In, Out] RM_PROCESS_INFO[] rgAffectedApps,
ref uint lpdwRebootReasons);
/// <summary>
/// Find out what process(es) have a lock on the specified file.
/// </summary>
/// <param name="path">Path of the file.</param>
/// <returns>Processes locking the file</returns>
/// <remarks>See also:
/// http://msdn.microsoft.com/en-us/library/windows/desktop/aa373661(v=vs.85).aspx
/// http://wyupdate.googlecode.com/svn-history/r401/trunk/frmFilesInUse.cs (no copyright in code at time of viewing)
///
/// </remarks>
static public List<Process> WhoIsLocking(string path)
{
uint handle;
string key = Guid.NewGuid().ToString();
List<Process> processes = new List<Process>();
int res = RmStartSession(out handle, 0, key);
if (res != 0) throw new Exception("Could not begin restart session. Unable to determine file locker.");
try
{
const int ERROR_MORE_DATA = 234;
uint pnProcInfoNeeded = 0,
pnProcInfo = 0,
lpdwRebootReasons = RmRebootReasonNone;
string[] resources = new string[] { path }; // Just checking on one resource.
res = RmRegisterResources(handle, (uint)resources.Length, resources, 0, null, 0, null);
if (res != 0) throw new Exception("Could not register resource.");
//Note: there's a race condition here -- the first call to RmGetList() returns
// the total number of process. However, when we call RmGetList() again to get
// the actual processes this number may have increased.
res = RmGetList(handle, out pnProcInfoNeeded, ref pnProcInfo, null, ref lpdwRebootReasons);
if (res == ERROR_MORE_DATA)
{
// Create an array to store the process results
RM_PROCESS_INFO[] processInfo = new RM_PROCESS_INFO[pnProcInfoNeeded];
pnProcInfo = pnProcInfoNeeded;
// Get the list
res = RmGetList(handle, out pnProcInfoNeeded, ref pnProcInfo, processInfo, ref lpdwRebootReasons);
if (res == 0)
{
processes = new List<Process>((int)pnProcInfo);
// Enumerate all of the results and add them to the
// list to be returned
for (int i = 0; i < pnProcInfo; i++)
{
try
{
processes.Add(Process.GetProcessById(processInfo[i].Process.dwProcessId));
}
// catch the error -- in case the process is no longer running
catch (ArgumentException) { }
}
}
else throw new Exception("Could not list processes locking resource.");
}
else if (res != 0) throw new Exception("Could not list processes locking resource. Failed to get size of result.");
}
finally
{
RmEndSession(handle);
}
return processes;
}
}
यदि आप "छोड़ें() काम नहीं करेंगे" की विफलता मोड के बारे में अधिक जानकारी देंगे तो इससे मदद मिलेगी। –
क्षमा करें। Quit() विधि का उपयोग करने का प्रयास करने का मेरा उद्देश्य एप्लिकेशन को चल रहे पावरपॉइंट प्रक्रिया को छोड़ने से रोकने के लिए है। बाहर निकलें() विफल रहा है कि यह पावरपॉइंट चल रहा है। यह त्रुटि नहीं करता है, लेकिन यह प्रक्रिया को समाप्त नहीं करता है। – Henry