Microsoft DirectX 9.0 SDK Update (October 2004)

AdapterDetails.WhqlLevel Property

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Note: This documentation is preliminary and is subject to change.

Retrieves a value that is used to determine the Microsoft® Windows® Hardware Quality Labs (WHQL) validation level for the driver and device pair.

Definition

Visual Basic .NET Public ReadOnly Property WhqlLevel As Integer
C# public int WhqlLevel { get; }
Managed C++ public: __property int get_WhqlLevel();
JScript .NET public function get WhqlLevel() : int

Property Value

System.Int32 . Value used to determine the validation level for the driver and device pair.

This property is read-only. 

Remarks

The Int32 Leave Site is a packed date structure that defines the date of the release of the most recent Microsoft® Windows® Hardware Quality Labs (WHQL) test passed by the driver. It is permissible to perform "greater than" and "less than" operations on this value. The following table illustrates the date format.

BitsDescription
31-16The year, a decimal number from 1999 upwards.
15-8The month, a decimal number from 1 to 12.
7-0The day, a decimal number from 1 to 31.

The following values also are used.

ValueDescription
0Not certified.
1Validated by WHQL, but no date information is available.


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