GrapeCity.Documents.Excel.ISignature.Sign

Sign Method

Sign(X509Certificate2, Stream, SignatureDetails)

Creates a signature packet for visible signature line.

Declaration

void Sign(X509Certificate2 certificate, Stream signatureImage, SignatureDetails details)

Sub Sign(certificate As X509Certificate2, signatureImage As Stream, details As SignatureDetails)

Parameters

Type	Name	Description
X509Certificate2	certificate	The certificate that will be used to sign the workbook.
Stream	signatureImage	The signature image of the signature line.
SignatureDetails	details	The signature detail of the signature.

Examples

ISignature signature = workbook.Signatures.AddSignatureLine(worksheet, 100.0, 50.0);
X509Certificate2 certificate = GetSigningCertificate();
using Stream signatureImage = GetSignatureImageStream();
SignatureDetails details = new SignatureDetails();
details.SignatureComments = "Approved for release";
signature.Sign(certificate, signatureImage, details);

Exceptions

Type	Condition
InvalidOperationException	Attempted to sign a non-visible signature.

Sign(X509Certificate2, string, SignatureDetails)

Creates a signature packet for visible signature line.

Declaration

void Sign(X509Certificate2 certificate, string signatureText, SignatureDetails details)

Sub Sign(certificate As X509Certificate2, signatureText As String, details As SignatureDetails)

Parameters

Type	Name	Description
X509Certificate2	certificate	The certificate that will be used to sign the workbook.
string	signatureText	The signature text of the signature line.
SignatureDetails	details	The signature detail of the signature.

Examples

ISignature signature = workbook.Signatures.AddSignatureLine(worksheet, 100.0, 50.0);
X509Certificate2 certificate = GetSigningCertificate();
SignatureDetails details = new SignatureDetails();
details.SignatureComments = "Approved for release";
signature.Sign(certificate, "Approved by QA", details);

Exceptions

Type	Condition
InvalidOperationException	Attempted to sign a non-visible signature.

Sign(X509Certificate2, SignatureDetails)

Creates a signature packet for a non-visible signature.

Declaration

void Sign(X509Certificate2 certificate, SignatureDetails details)

Sub Sign(certificate As X509Certificate2, details As SignatureDetails)

Parameters

Type	Name	Description
X509Certificate2	certificate	The certificate that will be used to sign the workbook.
SignatureDetails	details	The signature detail of the signature.

Examples

ISignature signature = workbook.Signatures.AddNonVisibleSignature();
X509Certificate2 certificate = GetSigningCertificate();
SignatureDetails details = new SignatureDetails();
details.SignatureComments = "Approved for release";
signature.Sign(certificate, details);

Exceptions

Type	Condition
InvalidOperationException	Attempted to sign a visible signature line.