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Supporting Transient Multi-Monitor Manager

Last Updated: 2/14/2017

Transient Multi-Monitor Manager is a Windows Vista feature that simplifies the setup of display configurations on mobile computers. TMM can place a mobile computer display (for example, a laptop computer display) into clone view when a new monitor is detected. TMM is disabled on desktop computers. For Windows Vista, there is no GDI function that an application can call to enter clone view. Hardware vendors must continue to use their own proprietary methods to enter clone view on desktop computers. However, hardware vendors should implement and provide an IViewHelper COM interface object that will allow TMM to set clone-view mode on mobile computers.

This section includes:

TMM Terminology

Requirements of an IViewHelper Clone-View COM Object

Using an IViewHelper Clone-View COM Object

Handling Monitor Configurations

Determining Whether a Platform is Mobile or Desktop

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