// wdftypes.h
typedef enum _WDF_TRI_STATE {
WdfFalse = FALSE,
WdfTrue = TRUE,
WdfUseDefault = 2
} WDF_TRI_STATE, *PWDF_TRI_STATE;
View the official Windows Driver Kit DDI reference// wudfddi_types.h
typedef enum _WDF_TRI_STATE {
WdfUseDefault,
WdfFalse,
WdfTrue
} WDF_TRI_STATE, *PWDF_TRI_STATE;
View the official Windows Driver Kit DDI referenceNo description available.
[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.
WdfFalse:FALSEThe meaning of this enumerator is specific to its use as a structure member or function parameter.
WdfTrue:TRUEThe meaning of this enumerator is specific to its use as a structure member or function parameter.
WdfUseDefault:2The meaning of this enumerator is specific to its use as a structure member or function parameter.
The WDF_TRI_STATE enumeration type is available in version 1.0 and later versions of KMDF.
[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.
WdfUseDefaultThe meaning of this enumerator is specific to its use as a structure member or function parameter.
WdfFalseThe meaning of this enumerator is specific to its use as a structure member or function parameter.
WdfTrueThe meaning of this enumerator is specific to its use as a structure member or function parameter.
The WDF_TRI_STATE enumeration type is available in version 1.0 and later versions of KMDF.