IXpsSignature::GetSigningTime method (xpsdigitalsignature.h)

Article
10/13/2021

Gets the date and time of signature creation.

Syntax

HRESULT GetSigningTime(
  [out, retval] LPWSTR *sigDateTimeString
);

Parameters

[out, retval] sigDateTimeString

A string that contains the date and time information.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the table that follows. For return values that are not listed in this table, see XPS Digital Signature API Errors and XPS Document Errors.

Return code	Description
S_OK	The method succeeded.
E_UNEXPECTED	The interface is not connected to the signature manager.

Remarks

The date-time string returned in sigDateTimeString is in a W3C date-time format, which is described at http://www.w3.org/TR/NOTE-datetime.

To get the specific format of the date-time string that is returned in sigDateTimeString, call GetSigningTimeFormat.

This method allocates the memory used by the string that is returned in sigDateTimeString. If sigDateTimeString is not NULL, use the CoTaskMemFree function to free the memory.

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	xpsdigitalsignature.h

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