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WDF_READ_REGISTER_ULONG64 function (wdfhwaccess.h)
[Applies to UMDF only]
The WDF_READ_REGISTER_ULONG64 function reads a ULONG64 value from the specified register address.
Syntax
ULONG64 WDF_READ_REGISTER_ULONG64(
[in] WDFDEVICE Device,
[in] PULONG64 Register
);
Parameters
[in] Device
A handle to a framework device object.
[in] Register
A pointer to the register address, which must be a mapped range in memory space.
Return value
WDF_READ_REGISTER_ULONG64 returns the ULONG64 value that is read from the specified port address.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8.1 |
| Target Platform | Universal |
| Minimum UMDF version | 2.0 |
| Header | wdfhwaccess.h |
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