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IXpsSignature::GetSigningTime method

Gets the date and time of signature creation.

Syntax

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

Parameters

  • sigDateTimeString [out, retval]
    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

Minimum supported client

Windows 7 [desktop apps only]

Minimum supported server

Windows Server 2008 R2 [desktop apps only]

Header

Xpsdigitalsignature.h

IDL

XpsDigitalSignature.idl

See also

IXpsSignature

IOpcDigitalSignature

IXpsSignatureManager

XPS Digital Signature API Errors

XPS Document Errors

XML Paper Specification