_WDF_TRI_STATE Enumeration

[Applies to KMDF and UMDF]

The WDF_TRI_STATE enumeration type defines three values that the framework uses for some structure members and function parameters.

Syntax

typedef enum _WDF_TRI_STATE {
  WdfFalse       ,
  WdfTrue        ,
  WdfUseDefault
} WDF_TRI_STATE, *PWDF_TRI_STATE;

Constants

WdfFalse The meaning of this enumerator is specific to its use as a structure member or function parameter.
WdfTrue The meaning of this enumerator is specific to its use as a structure member or function parameter.
WdfUseDefault The meaning of this enumerator is specific to its use as a structure member or function parameter.

Remarks

The WDF_TRI_STATE enumeration type is available in version 1.0 and later versions of KMDF.

Requirements

   
Minimum KMDF version 1.0
Minimum UMDF version 1.11
Header wdftypes.h (include Wdf.h)