// d3dumddi.h

typedef struct _D3DDDI_UNLOCKFLAGS {
  union {
    struct {
      UINT NotifyOnly : 1;
      UINT Reserved : 31;
    };
    UINT Value;
  };
} D3DDDI_UNLOCKFLAGS;
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Windows Driver Kit DDI reference (ns-d3dumddi-_d3dddi_unlockflags)

_D3DDDI_UNLOCKFLAGS structure

Description

The D3DDDI_UNLOCKFLAGS structure identifies how to unlock a resource.

Members

`NotifyOnly`

A UINT value that specifies whether the unlock call is for notification only.

Setting this member is equivalent to setting the first bit of the 32-bit Value member (0x00000001).

`Reserved`

This member is reserved and should be set to zero. Setting this member to zero is equivalent to setting the remaining 31 bits (0xFFFFFFFE) of the 32-bit Value member to zeros.

`Value`

A member in the union that is contained in D3DDDI_UNLOCKFLAGS that can hold one 32-bit value that identifies how to unlock a resource.

D3DDDI_UNLOCKFLAGS - NtDoc