Abstract: Described herein are techniques for a computing device executing a windowing system that automatically maintains a tiled arrangement of application windows on a first display and on a second display. A user interface element has indicia of applications that can be used to open the applications. Responsive to a first user input the user interface element is displayed on the first display, and while the user interface element is displayed on the first display, the windowing system maintains two or more of the application windows in a tiled arrangement on the second display. The user interface element may be part of a system user interface and may be implemented in a variety of ways. For example, it may be a full-screen set of application representations, possibly user selected, or a list of recently used applications, or a list of open applications, etc.

Abstract: Modern application tracing techniques are described herein that enable dynamic logging of events declared in a static manifest. Various events for logging can be declared in a static manifest. The static manifest may then be compiled to translate the declared events into a library of corresponding functions that can be called by “modern” applications written using dynamic code. Calls made to these functions from dynamic code are converted to corresponding static events and forwarded to existing tracing application programming interfaces (APIs) designed to handle logging of static events for “legacy” applications that use compiled code. In this manner, static functions that are compatible with tracing APIs can be created and called dynamically from dynamic code. This can occur without requiring administrative rights to install the code and while preserving existing features for legacy applications, such that a tracing log can include events from both modern applications and legacy applications.

Abstract: Modern application tracing techniques are described herein that enable dynamic logging of events declared in a static manifest. Various events for logging can be declared in a static manifest. The static manifest may then be compiled to translate the declared events into a library of corresponding functions that can be called by “modern” applications written using dynamic code. Calls made to these functions from dynamic code are converted to corresponding static events and forwarded to existing tracing application programming interfaces (APIs) designed to handle logging of static events for “legacy” applications that use compiled code. In this manner, static functions that are compatible with tracing APIs can be created and called dynamically from dynamic code. This can occur without requiring administrative rights to install the code and while preserving existing features for legacy applications, such that a tracing log can include events from both modern applications and legacy applications.