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IWDFDevice3::ReadFromHardware method (wudfddi.h)

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Warning

UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2. For more info, see Getting Started with UMDF.

The ReadFromHardware method is used internally by the framework. Do not use.

Syntax

SIZE_T ReadFromHardware(
  [in]           WDF_DEVICE_HWACCESS_TARGET_TYPE Type,
  [in]           WDF_DEVICE_HWACCESS_TARGET_SIZE Size,
  [in]           void                            *Address,
  [out]          void                            *Buffer,
  [in, optional] ULONG                           Count
);

Parameters

[in] Type

[in] Size

[in] Address

[out] Buffer

[in, optional] Count

Requirements

Requirement Value
End of support Unavailable in UMDF 2.0 and later.
Target Platform Desktop
Minimum UMDF version 1.11
Header wudfddi.h
DLL WUDFx.dll

See also