Receiving system screen lock and unlock events in C #

Source: Internet
Author: User
Tags win32

If you need to receive a system screen lock/unlock event in C #, you can do so by adding events to the Sessionswitch of the Microsoft.Win32.SystemEvents class.

For example:

Microsoft.Win32.SystemEvents.SessionSwitch + = new Microsoft.Win32.SessionSwitchEventHandler (systemevents_ Sessionswitch); void Systemevents_sessionswitch (object sender, Microsoft.Win32.SessionSwitchEventArgs e) {if (E.reason = = Microsoft.Win32.SessionSwitchReason.SessionLock) {//Screen lock} else if (E.reason = = Microsoft.Win32.SessionSwitchReason.SessionUnlock) {//Screen unlock}}

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