IWDFIoRequest::Complete method (wudfddi.h)

Article
02/22/2024

[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 Complete method completes an I/O request.

Syntax

void Complete(
  [in] HRESULT CompletionStatus
);

Parameters

[in] CompletionStatus

A status value to complete the request with.

Return value

None

Remarks

Instead of calling Complete, the driver can call the IWDFIoRequest::CompleteWithInformation method.

For more information about completing an I/O request, see Completing I/O Requests.

Examples

The following code example completes a request with the failure that occurred when a memory object could not be retrieved.

    IWDFIoRequest* FxRequest;
    HRESULT hr = S_OK;
    IWDFMemory* FxInputMemory = NULL;
 
    FxRequest->GetInputMemory(&FxInputMemory);
    if (S_OK != hr) {
        FxRequest->Complete(hr);
    }

Requirements

Requirement	Value
End of support	Unavailable in UMDF 2.0 and later.
Target Platform	Desktop
Minimum UMDF version	1.5
Header	wudfddi.h (include Wudfddi.h)
DLL	WUDFx.dll

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