public IXLSheetProtection AllowElement(XLSheetProtectionElements element, bool allowed = true)
{
if (!allowed)
{
return(DisallowElement(element));
}
AllowedElements |= element;
return(this);
}
public IXLSheetProtection DisallowElement(XLSheetProtectionElements element)
{
AllowedElements &= ~element;
return(this);
}
IXLElementProtection <XLSheetProtectionElements> IXLElementProtection <XLSheetProtectionElements> .DisallowElement(XLSheetProtectionElements element) => DisallowElement(element);
public IXLSheetProtection Protect(String password, Algorithm algorithm = DefaultProtectionAlgorithm, XLSheetProtectionElements allowedElements = XLSheetProtectionElements.SelectEverything)
{
if (IsProtected)
{
throw new InvalidOperationException("The worksheet is already protected");
}
else
{
IsProtected = true;
password = password ?? "";
this.Algorithm = algorithm;
this.Base64EncodedSalt = Utils.CryptographicAlgorithms.GenerateNewSalt(this.Algorithm);
this.PasswordHash = Utils.CryptographicAlgorithms.GetPasswordHash(this.Algorithm, password, this.Base64EncodedSalt, this.SpinCount);
}
this.AllowedElements = allowedElements;
return(this);
}
IXLElementProtection <XLSheetProtectionElements> IXLElementProtection <XLSheetProtectionElements> .AllowElement(XLSheetProtectionElements element, Boolean allowed) => AllowElement(element, allowed);
