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MessageBox(hWnd, TEXT("WTS_CONSOLE_DISCONNECT"), MessageBox(hWnd, TEXT("WTS_CONSOLE_CONNECT"),

Win32 application wizard does not launch visual studio code#

Add the following code to detect a subset of the available status codes and to display message boxes to indicate which status codes have been received: case WM_WTSSESSION_CHANGE: This message's wParam contains a status code that indicates the reason that the session change notification was sent. Locate the WndProc window procedure and add a case statement to process WM_WTSSESSION_CHANGE messages. At the bottom of the function, just before the final return statement, add a call to WTSRegisterSessionNotification, as shown here: WTSRegisterSessionNotification(hWnd, NOTIFY_FOR_THIS_SESSION) Locate the InitInstance function in FastUserSwitching.cpp. Add Wtsapi32.lib to the project's library list.Include the following header file (which contains the WTSRegisterSessionNotification function prototype) at the top of FastUserSwitching.cpp: #include This is required by winuser.h in order to expose session notification types and macros. Open stdafx.h and add the following #define statement before the inclusion of windows.h: #define _WIN32_WINNT 0x0501 If your application needs to know when it is running in the active user's session and when session switches occur, it can register to receive the WM_WTSSESSION_CHANGE message by calling the WTSRegisterSessionNotification function: NET: select Win32 Project within Visual C++ Projects and accept the default application settings displayed by the Application Setup Wizard.īack to the top Add Code to Receive Session Switch Notifications Users of Visual C++ 6.0: select Win32 Application from the list of available project types, and then select A typical "Hello World" application within the Application Setup Wizard.Start Visual Studio and create a new Win32 application called FastUserSwitching.

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Familiarity with Windows XP fast user switching.īack to the top Create a Win32 application.Header files and libraries from the Microsoft Platform SDK June 2001 edition or later.

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Windows XP Home Edition or Windows XP Professional Edition.

The following items describe the recommended hardware, software, network infrastructure, and service packs you will need: The remainder of this article will guide you through the process of enabling your application to support fast user switching. Also, an application may be able to conserve system resources by suspending background processing while running in a nonactive user session.

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For example, an application that monitors for a device being connected to a serial port may want to release the port when it is not running in the active user session and reacquire the port when its session becomes active again.

Report an error condition to the current user and exit gracefully.įinally, if your application needs to know when it is running in the active user session and when session switches occur, it can register to receive session notification messages.

If a second application instance will affect primary functionality, your application must also:

Inform the current user why certain functionality will be unavailable.

Detect that a user is already running the application.

If a second application instance will affect optional (nonprimary) functionality, when your application starts it must: In order to support fast user switching, your application must store user and application data in valid locations.Īdditionally, if your application provides functionality that will fail in the event of multiple users running it simultaneously (for example, because it uses a global resource in an unsafe way), you must add code to your application to detect this condition and react appropriately. Applications that you write must support fast user switching by not crashing or losing data when a user session switch occurs. Each user has an individual profile (and desktop), and you can switch between users without logging off. Fast user switching is a Windows XP feature that allows multiple users to share the same computer.