Each mode is intended for a specific use case. A fine adjustment of the desired mode occurs through the addition of further control parameters. One can select from various shutdown options and as a result proceed in a number of various ways.
Other advantages include flexibility and adaptability. Should one issue a shutdown command, the computer can be shut down directly and quickly. Detours across the Windows user interface are avoided.
The advantages of command-based control are obvious: through Windows shutdown commands, you save yourself mouse clicks and don’t have to surf through menus. For shutting down your computer, another program addresses the command line tool: the “ shutdown.exe”, for example, shuts off the computer immediately after the program is called up, restarts it or logs off the current user. Behind the designation there is ultimately an executable program: the cmd.exe, which provides a line for the command input (the actual prompt). If they don't care, they'll have the option to "Force shutdown" anyway whether you displayed the message or not.The Windows command prompt is a powerful tool from the old days of MS-DOS which today still accepts countless commands for special purposes. If they care, they will click "Cancel" and read your message. The system will inform the user that your application is preventing it from shutting down. Instead, you should display a message box explaining to the user that the application needs to do some work before the system shuts down, and let them decide whether to do that work or to shut down immediately. However, I suggest that you don't suspend the shutdown command and start doing some work immediately without prompting a confirmation message to the user especially if that work takes several minutes.
' doesn't really unblock the shutdown command). ' Exit the application to allow shutdown (For some reason 'ShutdownBlockReasonDestroy' ' Check if the message was sent before and the shutdown command is delayed.ĭim p As New ProcessStartInfo("shutdown", "/s /t 0")
#FORCE SHUTDOWN TIMER WINDOWS 10 CODE#
The following code was tested and it works just fine on both Windows 7 and windows 10: Private ShutdownDelayed As Boolean Hence, in addition to the shutdown command, you'll need to add a boolean to check if the message has already been sent from the system to your application. Well, one thing you can do is to make your application trigger a shutdown command after finishing the necessary work.Īfter investigating this, turns out that the WndProc method with ENDSESSION message gets triggered more than once, causing CleanUpAndSave() to also be carried out again. Please provide working code (if this is at all possible with windows). ShutdownBlockReasonCreate(Me.Handle, "Testing 123.") If aMessage.Msg = WM_QUERYENDSESSION OrElse aMessage.Msg = WM_ENDSESSION Then Protected Overrides Sub WndProc(ByRef aMessage As Message)Ĭonst WM_QUERYENDSESSION As Integer = &H11 How can I achieve a delay without windows aborting the shutdown after a minute? (perhaps it takes 2 or 4 minutes for my app to finish up) Public Class Form1ĭeclare Function ShutdownBlockReasonCreate Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal reason As String) As Booleanĭeclare Function ShutdownBlockReasonDestroy Lib "user32.dll" (ByVal hWnd As IntPtr) As Boolean
#FORCE SHUTDOWN TIMER WINDOWS 10 WINDOWS 10#
I want to delay windows 10 from shutting down so that my app can finish up some necessary actions like saving data.įollowing is a working code example to achieve a delay, however windows cancels the shutdown after about 1 minute of waiting.