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Can task-switching keyboard shortcuts be disabled in W7 using Delphi?

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问题 MY application has had a mode for years where the customer can 'disable access to the OS'. Obviously this feature goes against the grain (at least as far as Windows is concerned) but there are installations where my App is the only program that should ever be visibile to a machine operator amd in this case such a feature is useful. The technigue I used was built from several 'layers': Hide the taskbar and button. Disable task-switching. Disable my main form system icons. To disable the

Best practices for Alt-Tab support in a DirectX app?

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问题 When writing DirectX applications, obviously it's desirable to support the user suspending the application via Alt - Tab in a way that's fast and error-free . What is the best set of practices for ensuring this? Things that need to be addressed include: The best methods of detecting when your application has been alt-tabbed out of and when it has been returned to. What DirectX resources are lost when the user alt-tabs, and the best ways to cope with this. Major things to do and things to

Best practices for Alt-Tab support in a DirectX app?

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When writing DirectX applications, obviously it's desirable to support the user suspending the application via Alt - Tab in a way that's fast and error-free . What is the best set of practices for ensuring this? Things that need to be addressed include: The best methods of detecting when your application has been alt-tabbed out of and when it has been returned to. What DirectX resources are lost when the user alt-tabs, and the best ways to cope with this. Major things to do and things to avoid in application architecture for purposes of alt-tab support. Any significant differences between