Device.TestCooperativeLevel Method

Reports the current cooperative-level status of the Direct3D device for a windowed or full-screen application.

Namespace: Microsoft.WindowsMobile.DirectX.Direct3D
Assembly: Microsoft.WindowsMobile.DirectX (in microsoft.windowsmobile.directx.dll)

public void TestCooperativeLevel ()
public void TestCooperativeLevel ()
public function TestCooperativeLevel ()
Not applicable.

Exception typeCondition

DeviceLostException

The device is lost but cannot be reset at this time. Therefore, rendering is not possible.

DeviceNotResetException

The device is lost but can be reset at this time.

If the device is lost and cannot be restored at the current time, TestCooperativeLevel throws a DeviceLostException. This is the case, for example, when a full-screen device loses focus. If an application detects a lost device, it should pause and periodically call TestCooperativeLevel until no exceptions are thrown. The application can then attempt to reset the device by calling Reset and, if this succeeds, restore the necessary resources and resume normal operation. Note that Present throws a DeviceLostException if the device is either "lost" or "not reset."

A call to TestCooperativeLevel fails if made on a thread other than the one used to create the device being reset.

Windows CE, Windows Mobile for Pocket PC, Windows Mobile for Smartphone

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Compact Framework

Supported in: 2.0

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