Windows 7

Bijoy SinghalDeveloper Evangelist

Microsoft India

Under the hood features for developers

Targeting the platformDifferent approaches

Windows 7

Managed APIs.NET BCL, Windows API code pack etc

Native APIsPlatform SDK, DirectX etc

Your Managed ApplicationYour Native Application

Mixed ModeApplications

What’s more…

• Trigger Services• User Mode Scheduling• Reliability Access Monitor• Virtual Disk APIs• Powershell• High DPI• Windows Display Driver Model• Direct2D for drawing 2D graphics.• DirectWrite for arranging and rendering text.

What’s more…

• Windows Imaging Component for processing and displaying images.

• Direct3D® 10 for drawing 3D graphics. • Direct3D 11 for drawing 3D graphics, and providing

access to next-generation GPU technologies, such as tessellation, limited support for texture streaming, and general purpose computing.

• DirectX Graphics Infrastructure (DXGI) for managing devices and GPU resources, and providing interoperability between DirectX and GDI.

• BranchCache APIs

Some Background…

P/Invoke [DllImport]Accessing the Native APIs

Windows Services Doing work in the background

DEMO

USB Copy

• ON (trigger)– USB arrival

(SERVICE_TRIGGER_TYPE_DEVICE_INTERFACE_ARRIVAL)– IP Address (SERVICE_TRIGGER_TYPE_IP_ADDRESS_AVAILABILITY)– Custom (SERVICE_TRIGGER_TYPE_CUSTOM)– FireWall (SERVICE_TRIGGER_TYPE_FIREWALL_PORT_EVENT)

• DO (Action)– Start(SERVICE_TRIGGER_ACTION_SERVICE_START)– Stop(SERVICE_TRIGGER_ACTION_SERVICE_STOP)

Virtual Disk APIs

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