I'm making a screensaver with the added option of shutting down/oggingoff/hibernating/sleeping at a user-defined time. Now, I'm fine for all my code except for the scripts for these events.
View 1 RepliesI want to listen to events in my windows forms .NET application for the following system wide events :
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I am trying to capture SHUTDOWN and LOGOFF Events, so that I can be alerted when my process stops. The below code works in detecting these events. I am trying to get it to release the monitoring of the system events after the email has been sent, Being newer to VB, I am not sure how to do this. I copied this code from another google forum.
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I have an application that starts from Sub Main and I need to run a sub when the system is about to shut down, restart or logoff so it can save it's settings. I found some code on google:
Imports Microsoft.Win32
Public Sub Main
AddHandler SystemEvents.SessionEnding, AddressOf OnShuttingdown
[code].....
What i wish to find is a message or the like that I can use to detect between specific 'shutdown' like events, ie: I wish to be able to find the difference between a shutdown, restart, logoff and sleep initiation.
The problem i have found (as displayed below) is using oClosingEvent.CloseReason the return types provide no further information other then the WindowsShutDown constant (the others are obviously irrelevant in this case).
Private Sub frmMain_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
Dim oClosingEvent As System.Windows.Forms.FormClosingEventArgs
[Code]....
I have an application that starts from Sub Main and I need to run a sub when the system is about to shut down, restart or logoff so it can save it's settings. I found some code on google:
Imports Microsoft.Win32
Public Sub Main
AddHandler SystemEvents.SessionEnding, AddressOf OnShuttingdown
[Code]....
But it doesn't seem to work, Windows shuts down yes but when I re-start the vm and run the app it opens with the old settings, not the ones that I changed before I shut down the vm. Anyone know of a way to do this or to fix the code above, I don't think my OnShuttingdown event is being handled.
I have used the following code to shutdown the system but it will perform logoff windows
Private Const EWX_LogOff = 0
Private Const EWX_SHUTDOWN = 1
Private Const EWX_REBOOT = 2
P[code].....
I have an application that detects a Power mode change using.
SystemEvents.PowerModeChanged
if there is a way to detect if the system is going to sleep or hibernate?
I am trying to differentiate between sleep and hibernate when I catch a Power Mode changed event and I am quite stuck.
What I am doing currently is I catch this: SystemEvents.PowerModeChanged and get the mode of the PowerModeChangedEventArgs which can be PowerModesSuspend amongst others. My problem is that both sleep and hibernate cause the same event.
If I have an event that starts a timer with an interval of say, 30 minutes, and 15 minutes later, the computer the app is running on sleeps (Suspend to RAM) or Hibernates (Suspend to Disk), and is brought back online after ten minutes, will the timer raise its Tick event in 5 minutes (30 minutes REAL time from the start) or 15 minutes (30 minutes RUNTIME from the start)?
View 1 RepliesTitle pretty much says it all. Does anyone know a way to to prevent a computer from entering a low/non-processing mode while the program is running? I don't care about monitor modes, screen-savers, hard-drive spindown, etc (in fact, I'd prefer to leave those alone; I like it that it shuts the monitor off after a time period).Basically, I have an industrial program that needs to continually monitor a PCI card it uses for IO; and this activity alone isn't enough to convince Windows not to go into Sleep mode. We normally just shut the power-save features off, but we had an incident where a technician forgot, a customer's machine went to Sleep after the end of the shift, the pumps stopped recirculating, yadda-yadda big mess.
View 6 RepliesI have a distributed print control application that is done in a combination VB6 and Visual C++. The application launches at startup on a workstation and waits for a user to login. Once that happens, we track time in the session, along with how many print jobs the guy performs.
We have separate session SW that allows a person to add money to their accounts. The problem is that if there's an active session, typically due to the individual being logged into one of the above mentioned workstations, I can no longer ensure updates to the DB will be atomic.
I would like to have the money terminal send a log off command to the remote workstation session if it detects a user is currently logged in elsewhere. But I'm not sure if there's an existing API for this.
I am trying to write a code on auto logoff for an application after certain perioed of time. But not sure how should i start on it. But I got below code, but there is an error (example:
System.Windows.Interop.
System.Windows.Interop is not a member of Windows and System.Windows.Threading is not doesn't contain any public member) and i wonder how should it get fix and merge into my application code
Imports System
Imports System.Collections.Generic
Imports System.Linq
[code]....
Is there a VB.NET code that I can use to make the computer sleep, restart, logoff, and maybe switch user too?
View 3 Repliesi want to capture the system logoff time and i have to store the time in .txt file. when ever the user logging in and logging off i have to capture the time and store the time in .txt file.i konw how to use windows services.but how to capture the log off time and log on time?
View 7 RepliesI want to create a windows service which will record the time when a user Logs in or logs Off from his machine.If i am able to track the events that are fired when a user logs in and logs off then i think i will be able to solve the problem.
View 5 RepliesHow to block shutdown using vb.net?
View 1 RepliesShutting down a pc in vb.net is easy:Process.Start("shutdown", "-s -t 00")less the user has locked the pc in which case the above fails.How do I get around this in vb.net? How do I shutdown a locked PC?
View 5 RepliesI am making a program that takes a time input from the user or a countdown amount and when that time comes it will shutdown or restart or log off the computer. I know how to make the timing code and everything else but i don't know how to shutdown or restart or log off.
View 1 RepliesI'm currently writing a small system tray app that needs to shutdown my PC at a certain time. That bit's easy:Process.Start("shutdown", "-s -t 00")But how do I do this when my PC is locked? The above doesn't work and I don't want to leave my PC unlocked and unattended
View 1 RepliesCan I call shutdown.exe by using GetProccessByID? If so, what is the code(In VB 2005)?
View 3 RepliesI've written a program which I propose to give a local club, which sadly may be'attractive' to pirates so I propose to build in some sort of anti-copying feature.My idea is to hide a file in a folder somewhere in the club's laptop, then on program start up I'll check to see if that file exists and if it's not there, which it's unlikely to be on a pirates machine, I'll flag up a message box saying that if they have a legitimate reason to install the program on a different machine they'll have to contact myself.By way of nuisance value, pressing the 'OK' button on the message box will cause the machine running, what I'm assuming is a pirated copy, to shut down.I've been looking at the VB.NET forum and MSDN for ideas as to how to achieve this and the general opinion seems to be:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Process.Start("shutdown", "-s")
[code].....
How do I control the ShutDownStyle property of Windows Forms Applications created with vbc.exe?
View 1 RepliesI've created a shutdown manager with 4 buttons , standby , shutdown , restart and exit.
But ,when i click one of the buttons ,i want to display a message and give the user a message "Are your sure you want to restart" and have a yes/no option.[code]...
I have a fully working application which runs in the background while a user is logged in. What I need the application to do, is disconnect itself from the database, save the users settings and close itself when the user shuts the computer down or logs off.I know how to do those things, the issue I am facing is figuring out how to detect when the computer is logging off or shutting down. I thought about using log off scripts to do this but then it would be impossible to call classes and methods from my application as the log off scripts are not associated with my application at all. Are there any other methods of telling my application when the computer is shutting down and then run some lines of code?
View 6 RepliesI have a question about the keyboard and mouse, is it able to block input from the keyboard and mouse with a visual basic code?
(no typing or clicking etc)
if it works please post the code.
I'm looking forward to receiving your reply.
How to remote shutdown a PC in a network using vb .net?
View 5 RepliesI have a program with the line process.start("shutdown", "-s -f -t 00") However, when it's executed, everything exits, and the logging off text appears, then the screen blackens out and there's only the mouse pointer. Nothing can be done like opening the task manager, I just have to shut it down using the main button, holding it for 7 sec.
View 12 Replieshow to shutdown / restart with a non-admin acount using vb net code? logof is not needed because the logoff is alow!
View 8 RepliesI ve to shut down the remote system of a network.. so i need the full vb.net source code to make it possible ..
View 2 Replies