I have an application and I am facing some serious problems. This application is preventing the user to log off. Each time when log off it crashed.
How to log off properly?
Any suggestions will be well received.
Thanks.
write a bat file that calls two programs, the first is a .net C# console app that runs this code in it's main method:
foreach (var process in Process.GetProcessesByName("apppreventinglogoff.exe"))
{
process.Kill();
}
then the bat file can call "logoff.exe"
Assuming your application is an SAP Business One Add-On, it sounds like you're not handling the SAP application close/shut-down events:
obj.SBO_Application.AppEvent += new _IApplicationEvents_AppEventEventHandler(SBO_AppEvent);
Then in your SBO_AppEvent method you'd do something like this:
switch(EventType)
{
case SAPbouiCOM.BoAppEventTypes.aet_ServerTermination:
System.Windows.Forms.Application.Exit();
break;
case SAPbouiCOM.BoAppEventTypes.aet_ShutDown:
System.Windows.Forms.Application.Exit();
break;
}
Related
Whenever I'm running the app in Xcode, I'm running into this issue and I can't really figure out what to do. I'm just trying to fetch all the items in an entity in Core Data, returning a Job array. The only thing I can do if this happens is stop the the app, close it, and open it in the emulator without clicking on the run button.
Here's the image of the code and the error I'm talking about:
Is there anything I can do to fix this? Is this a debug issue or is it a real app problem?
You would use something like this
func generateData(context: NSManagedObjectContext) async throws {
try await context.perform {
//Your fetch code here
}
}
Here is a WWDC video on the subject https://developer.apple.com/wwdc21/10017
The biggest thing I think is not chaining these calls try an condense them, I recently had a client that that was calling perform inside other performs.
async await is all about straight lines you should know exactly what is happening, when it is happening and in what order. There is no hanging on to anything.
Hey, I am trying to get a service to start my program but it isn't showing the GUI. The process starts but nothing is shown. I have tried enabling 'Allow service to interact with desktop' but that still isn't working.
My program is a computer locking device to stop unauthorised users from accessing the computer. I am running windows 7 with a 64 bit OS.
Here is the code for my service:
protected override void OnStart(string[] args)
{
Process p = new Process();
p.StartInfo.FileName = "notepad.exe";
p.Start();
FileStream fs = new FileStream(#"C:\Users\David\Documents\Visual Studio 2010\Projects\LockPCService\LockPCService\bin\Debug\ServiceLog.dj",
FileMode.OpenOrCreate, FileAccess.Write);
StreamWriter m_streamWriter = new StreamWriter(fs);
m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);
m_streamWriter.WriteLine(" LockPCService: Service Started " + DateTime.Now + "\n" + "\n");
m_streamWriter.Flush();
m_streamWriter.Close();
}
protected override void OnStop()
{
FileStream fs = new FileStream(#"C:\Users\David\Documents\Visual Studio 2010\Projects\LockPCService\LockPCService\bin\Debug\ServiceLog.dj",
FileMode.OpenOrCreate, FileAccess.Write);
StreamWriter m_streamWriter = new StreamWriter(fs);
m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);
m_streamWriter.WriteLine(" LockPCService: Service Stopped " + DateTime.Now + "\n"); m_streamWriter.Flush();
m_streamWriter.Close();
}
To try and get the service working I am using notepad.exe. When I look at the processes notepad is running but there is no GUI. Also the ServiceLog is there and working each time I run it.
Any ideas on why this isn't working?
Thanks.
This article explains Session 0 Isolation which among other things disallows services from creating a UI in Windows Vista/7. In your service starts another process, it starts in Session 0 and also will not show any UI. (By the way, the UI is created, it's just that Session 0 is never displayed). This article on CodeProject can help you create a process from a service on the user's desktop and show its UI.
Also, please consider wrapping you stream objects in a using statement so that they are properly disposed.
Services run under different account so notepad is run by another user and on another desktop so that's why you cannot see it. 'Allow service to interact with desktop' is not supported anymore starting from Vista.
I know this is a late post, but I found that this article was very helpful to me. I am running Windows 7 and the solution provided in this article works great.
If you download the code, there is a class called ApplicationLoader. Include that class in your project and then it's as simple as this:
// the name of the application to launch
String applicationName = "cmd.exe";
// launch the application
ApplicationLoader.PROCESS_INFORMATION procInfo;
ApplicationLoader.StartProcessAndBypassUAC(applicationName, out procInfo);
Services run in a different logon session and have a different window station from the user. That means that all GUI activity is segregated from the user's programs, not that the service can't display a GUI. Actually, this design makes it much easier to temporarily block access to the user's programs.
You'll need to call SwitchDesktop.
I have a finished application which I would like to make available to run on the iOS and Android platforms. I have tested the application as much as possible and it works without problem. But I know there is always the chance that something might go wrong and I could get an exception.
My question is how can I deal with this or what should I do. What happens on the phone, if a Forms application is deployed and there is an exception.
Would appreciate any advice or even links as to how this is handled.
If an exception is thrown and not handled by your code, the app will stop working (i.e. crash).
In order to handle these crashes we are using MS AppCenter (the successor to HockeyApp/Xamarin AppInsights).
You'll have to create a project there (one for each platform), and add the NuGet package to your projects. Afterwards you can initialize it with
AppCenter.Start("ios={Your App Secret};android={Your App Secret}",
typeof(Crashes)); // you'll get the app secrets from appcenter.ms
Crashes will be logged to AppCenter now and you'll be informed whenever there is a new crash.
Please note that it's best practice (if not required by law), that you ask the user for consent before sending the crash report (see here). You are using the delegate Crashes.ShouldAwaitUserConfirmation for that matter. You could for example show an action sheet with Acr.UserDialogs
private bool AwaitUserConfirmation()
{
// you should of course use your own strings
UserDialogs.Instance.ActionSheet(
new ActionSheetConfig
{
Title = "Oopsie",
Message = "The app crashed. Send crash to developers.",
Options = new List<ActionSheetOption>
{
new ActionSheetOption("Sure", () => Crashes.NotifyUserConfirmation(UserConfirmation.Send)),
new ActionSheetOption("Yepp, and don't bug be again.", () => Crashes.NotifyUserConfirmation(UserConfirmation.AlwaysSend)),
new ActionSheetOption("Nope", () => Crashes.NotifyUserConfirmation(UserConfirmation.DontSend))
}
});
return true;
}
what is the best way to write and debug Server Side Action Script on Flash Media Server?
I use Flash Builder for syntax highlighting, but that's all.
I want to debug, make breakpoints and step-trough server application code.
Any ideas?
EDIT1: I know about administration console for viewing trace messages, but that is not real debugging for me.
Although I don't know of an easy way to step through code, there are some cool things you can do.
Since objects in SSAS are dynamic, you can write a custom logging method that dumps variables recursively. I've found this very useful. If you print the method name and dump arguments with each call, this is as good as stepping through code.
Since SSAS is interpreted, you can write a custom admin console that processes eval statements. This is useful when doing live code, or debugging code in a certain state.
Here is a link to the Adobe developers guide:
http://www.adobe.com/livedocs/flashmediaserver/3.0/hpdocs/help.html?content=Book_Part_34_ss_asd_1.html
This includes the developers guide, language reference, some tutorials, etc... Everything you need to get started.
A hello world in server side ActionScript 3 looks like this:
application.onConnect = function( client ) {
client.serverHelloMsg = function( helloStr ) {
return "Hello, " + helloStr + "!";
}
application.acceptConnection( client );
}
AMS (/FMS):
Client.prototype.foo = function (){
return this;
}
Client:
netConn.call('foo', new Responder(_debug, _debug));
And breakpoint over:
function _debug(... rest):void{
}
Is as good as it gets:
we use the client to debug the server
we have to restart the server every time the main.asc file changes
we have to use rsync to upload the file to the remove machine if you can't get a local dev environment (which i couldn't - after a day of futile attempts and this post being 4 years old)
Seriously, it's load of fun, try it!
I'm dipping my toes into Windows Azure, and I'm running into something that has to be simple, but I just can't see it.
I have this small test to play with Azure queues:
public void CanPublishSillyLittleMessageOnQueue()
{
var queueClient = CloudStorageAccount.DevelopmentStorageAccount.CreateCloudQueueClient();
var testQueue = queueClient.GetQueueReference("testqueue1");
testQueue.CreateIfNotExist();
var message = new CloudQueueMessage("This is a test");
testQueue.AddMessage(message);
CloudQueueMessage received;
int sleepCount = 0;
while((received = testQueue.GetMessage()) == null)
{
++sleepCount;
Thread.Sleep(25);
}
testQueue.DeleteMessage(received);
Assert.Equal(message.AsString, received.AsString);
}
It sends the message just fine - I can see it in the SQL table. However, when it hits the "testQueue.DeleteMessage(received)" method, I get this:
TestCase 'AzureExploratory.PlayingWithQueues.CanPublishSillyLittleMessageOnQueue'
failed: System.ArgumentNullException : Value cannot be null.
Parameter name: str
at Microsoft.WindowsAzure.StorageClient.Tasks.Task`1.get_Result()
at Microsoft.WindowsAzure.StorageClient.Tasks.Task`1.ExecuteAndWait()
at Microsoft.WindowsAzure.StorageClient.TaskImplHelper.ExecuteImplWithRetry(Func`1 impl, RetryPolicy policy)
at Microsoft.WindowsAzure.StorageClient.CloudQueue.DeleteMessage(CloudQueueMessage message)
PlayingWithQueues.cs(75,0): at AzureExploratory.PlayingWithQueues.CanPublishSillyLittleMessageOnQueue()
which appears to be a failure somewhere down inside the guts of the Azure SDK.
I'm using VS 2010, .NET 4.0, the Azure SDK V1.2, 64-bit Win 7. The developer store service is running; I can see the messages go into the queue, I just can't delete them.
Anyone ever seen anything like this?
I figured out what's going on. The code in question was running in a xUnit test harness. Turns out that the xUnit runner doesn't set up an appdomain with a config file path by default. System.UriBuilder now hits the config file, so it blows up.
The workaround was to add an empty app.config to the test project. Now it works.
ARGH!