/// <summary>Creates an evaluation for the specified duration.</summary>
/// <param name="evaluationDuration">The duration (in days) of the evaluation.</param>
/// <param name="shouldCheckAliases">Whether or not aliases should be checked before creating the new evaluation license.</param>
/// <param name="extendExisting">Whether or not any existing trial period should be extended.</param>
/// <returns>Returns true if successful. If false is returned, check the <see cref="License.LastError"/> property for details.</returns>
internal bool CreateEvaluation(int evaluationDuration, bool shouldCheckAliases, bool extendExisting)
{
if (shouldCheckAliases)
{
//Start by loading and checking all the aliases
int numAliases, numValidAliases;
this.CheckAliases(out numAliases, out numValidAliases);
//If we found any aliases, write the most recent one as the license file
LicenseAlias mostRecent = LicenseAlias.GetMostCurrentAlias(this.Aliases);
if (mostRecent.LastUpdated != DateTime.MinValue)
{
this.WriteAliasToLicenseFile(mostRecent, LicenseConfiguration.LicenseFilePath);
this.Load(mostRecent.Contents);
int aliasesToWrite, aliasesWritten;
this.WriteAliases(out aliasesToWrite, out aliasesWritten);
return(true);
}
}
//Set the Product ID so this evaluation license cannot be used to update or extend another application's evaluation period.
Product.ProductID = ThisProductID;
//Evaluations that are not established through activation should have no License ID, Installation ID, or Installation Name.
LicenseID = 0;
InstallationID = "";
InstallationName = "";
//In the SimpleTextEditor samples, this makes it so all features can be used during the evaluation period.
UserDefinedNumber1 = Int32.MaxValue;
if (evaluationDuration > 0)
{
//We are creating an evaluation that expires in the future, so set the effective start date to today's date.
this.EffectiveStartDate = DateTime.UtcNow.Date;
}
else
{
//If we get into this code block, then we are creating an expired evaluation, and we should just make the start date the same as the end date.
this.EffectiveStartDate = DateTime.UtcNow.Date.AddDays(evaluationDuration);
}
//Now set the evaluation's expiration date.
this.EffectiveEndDate = CalculateNewEffectiveEndDate(evaluationDuration, extendExisting);
//Write the aliases.
int filesToWrite, filesWritten;
this.WriteAliases(out filesToWrite, out filesWritten);
//TODO: you can add your own logic here to set your own requirements for how many aliases must be written
// ...for this example, we only require 1
if (filesWritten < 1)
{
return(false);
}
//Write the new license file.
return(this.WriteLicenseFile(LicenseConfiguration.LicenseFilePath));
}
/// <summary>Creates an evaluation for the specified duration.</summary>
/// <param name="evaluationDuration">The duration (in days) of the evaluation.</param>
/// <param name="shouldCheckAliases">Whether or not aliases should be checked before creating the new evaluation license.</param>
/// <param name="extendExisting">Whether or not any existing trial period should be extended.</param>
/// <returns>Returns true if successful. If false is returned, check the <see cref="License.LastError"/> property for details.</returns>
internal bool CreateEvaluation(int evaluationDuration, bool shouldCheckAliases, bool extendExisting)
{
if (shouldCheckAliases)
{
//Start by loading and checking all the aliases
int numAliases, numValidAliases;
this.CheckAliases(out numAliases, out numValidAliases);
//If we found any aliases, write the most recent one as the license file
LicenseAlias mostRecent = LicenseAlias.GetMostCurrentAlias(this.Aliases);
if (mostRecent.LastUpdated != DateTime.MinValue)
{
this.WriteAliasToLicenseFile(mostRecent, LicenseConfiguration.LicenseFilePath);
this.Load(mostRecent.Contents);
int aliasesToWrite, aliasesWritten;
this.WriteAliases(out aliasesToWrite, out aliasesWritten);
return(true);
}
}
//This sample uses the TriggerCode property to determine the type of license issued, so set it accordingly.
TriggerCode = (int)LicenseTypes.Unlicensed;
//Set the Product ID so this evaluation license cannot be used to update or extend another application's evaluation period.
Product.ProductID = ThisProductID;
//Evaluations that are not established through activation should have no License ID, Installation ID, or Installation Name.
ClearActivationDetails();
//TODO: IMPORTANT: Add code to clear-out other license data that is not applicable to evaluations of your license.
// For example, the code below clears the date in which any downloadable license was validated, which
// is stored in the UserDefinedDate1 field for this sample.
DateDownloadableLicenseValidated = DateTime.MinValue;
//Creating an evaluation should also remove any prior volume license data.
RemoveVolumeLicense();
if (evaluationDuration > 0)
{
//We are creating an evaluation that expires in the future, so set the effective start date to today's date.
this.EffectiveStartDate = DateTime.UtcNow.Date;
}
else
{
//If we get into this code block, then we are creating an expired evaluation, and we should just make the start date the same as the end date.
this.EffectiveStartDate = DateTime.UtcNow.Date.AddDays(evaluationDuration);
}
//Now set the evaluation's expiration date.
this.EffectiveEndDate = CalculateNewEffectiveEndDate(evaluationDuration, extendExisting);
//Write the aliases.
int filesToWrite, filesWritten;
this.WriteAliases(out filesToWrite, out filesWritten);
//TODO: you can add your own logic here to set your own requirements for how many aliases must be written
// ...for this example, we only require 1
if (filesWritten < 1)
{
return(false);
}
//Write the new license file.
return(this.WriteLicenseFile(LicenseConfiguration.LicenseFilePath));
}