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AdapterDetails.WhqlLevel Property (Microsoft.DirectX.Direct3D)

  • Article

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 Public ReadOnly Property WhqlLevel As Integer
C# public int WhqlLevel { get; }
C++ public:
property int WhqlLevel {
        int get();
}
JScript 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 Int32Leave Site is a packed date structure that defines the date of the release of the most recent 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.

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

The following values also are used.

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