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[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 {
WdfUseDefault,
WdfFalse,
WdfTrue
} WDF_TRI_STATE, *PWDF_TRI_STATE;
Constants
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. |
Remarks
The WDF_TRI_STATE enumeration type is available in version 1.0 and later versions of KMDF.
Requirements
| Requirement | Value |
|---|---|
| Minimum KMDF version | 1.0 |
| Minimum UMDF version | 1.11 |
| Header | wudfddi_types.h (include Wdf.h) |