/// <summary>
/// Processing single instance.
/// </summary>
/// <param name="singleInstanceModes"></param>
internal static void Make(SingleInstanceModes singleInstanceModes)
{
var appName = Application.Current.GetType().Assembly.ManifestModule.ScopeName;
var windowsIdentity = System.Security.Principal.WindowsIdentity.GetCurrent();
var keyUserName = windowsIdentity != null ? windowsIdentity.User.ToString() : String.Empty;
// Be careful! Max 260 chars!
var eventWaitHandleName = string.Format(
"{0}{1}",
appName,
singleInstanceModes == SingleInstanceModes.ForEveryUser ? keyUserName : String.Empty
);
try {
using (var eventWaitHandle = EventWaitHandle.OpenExisting(eventWaitHandleName)) {
// It informs first instance about other startup attempting.
eventWaitHandle.Set();
}
// Let's terminate this posterior startup.
// For that exit no interceptions.
Environment.Exit(0);
}
catch {
// It's first instance.
// Register EventWaitHandle.
using (var eventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset, eventWaitHandleName)) {
ThreadPool.RegisterWaitForSingleObject(eventWaitHandle, OtherInstanceAttemptedToStart, null, Timeout.Infinite, false);
}
RemoveApplicationsStartupDeadlockForStartupCrushedWindows();
}
}
/// <summary>
/// Processing single instance.
/// </summary>
/// <param name="singleInstanceModes"></param>
internal static void Make(SingleInstanceModes singleInstanceModes)
{
var appName = Application.Current.GetType().Assembly.ManifestModule.ScopeName;
var windowsIdentity = System.Security.Principal.WindowsIdentity.GetCurrent();
var keyUserName = windowsIdentity != null?windowsIdentity.User.ToString() : String.Empty;
// Be careful! Max 260 chars!
var eventWaitHandleName = string.Format("{0}{1}", appName, singleInstanceModes == SingleInstanceModes.ForEveryUser ? keyUserName : String.Empty);
try
{
using (var eventWaitHandle = EventWaitHandle.OpenExisting(eventWaitHandleName))
{
// It informs first instance about other startup attempting.
eventWaitHandle.Set();
}
// Let's terminate this posterior startup.
// For that exit no interceptions.
MessageBox.Show("البرنامج يعمل بالفعل");
Environment.Exit(0);
}
catch
{
// It's first instance.
// Register EventWaitHandle.
using (var eventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset, eventWaitHandleName))
{
ThreadPool.RegisterWaitForSingleObject(eventWaitHandle, OtherInstanceAttemptedToStart, null, Timeout.Infinite, false);
}
RemoveApplicationsStartupDeadlockForStartupCrushedWindows();
}
}
/// <summary>
/// Processing single instance.
/// </summary>
/// <param name="singleInstanceModes">
/// The single instance modes
/// </param>
internal static void Make(SingleInstanceModes singleInstanceModes = SingleInstanceModes.ForEveryUser)
{
var appName = Application.Current.GetType().Assembly.ManifestModule.ScopeName;
var keyUserName = string.Empty;
if (singleInstanceModes == SingleInstanceModes.ForEveryUser)
{
var windowsIdentity = WindowsIdentity.GetCurrent();
keyUserName = windowsIdentity != null && windowsIdentity.User != null
? windowsIdentity.User.ToString()
: string.Empty;
}
// Be careful! Max 260 chars!
var eventWaitHandleName = string.Format("{0}{1}", appName, keyUserName);
MultiInstance.Default.LastArgs = string.Empty;
MultiInstance.Default.Save();
try
{
using (var eventWaitHandle = EventWaitHandle.OpenExisting(eventWaitHandleName))
{
// It informs first instance about other startup attempting.
string[] args = Environment.GetCommandLineArgs();
if (args.Length > 1)
{
MultiInstance.Default.LastArgs = string.Join(" ", args, 1, args.Length - 1);
MultiInstance.Default.Save();
}
eventWaitHandle.Set();
}
// Let's terminate this posterior startup.
// For that exit no interceptions.
Environment.Exit(0);
}
catch
{
// It's first instance.
// Register EventWaitHandle.
using (var eventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset, eventWaitHandleName))
{
ThreadPool.RegisterWaitForSingleObject(
eventWaitHandle,
OtherInstanceAttemptedToStart,
null,
Timeout.Infinite,
false);
}
RemoveApplicationsStartupDeadlockForStartupCrushedWindows();
}
}
