/// <summary>Starts a synchronous download and installation of the latest version of this application. </summary>
/// <returns>true if an application has been updated; otherwise, false.</returns>
/// <exception cref="T:System.Deployment.Application.TrustNotGrantedException">The local computer did not grant the application the permission level it requested to execute.</exception>
/// <exception cref="T:System.Deployment.Application.InvalidDeploymentException">Your ClickOnce deployment is corrupted. For tips on how to diagnose and correct the problem, see Troubleshooting ClickOnce Deployments.</exception>
/// <exception cref="T:System.Deployment.Application.DeploymentDownloadException">The new deployment could not be downloaded from its location on the network.</exception>
/// <exception cref="T:System.InvalidOperationException">The application is currently being updated.</exception>
public bool Update()
{
new NamedPermissionSet("FullTrust").Demand();
if (Interlocked.CompareExchange(ref this._guard, 2, 0) != 0)
{
throw new InvalidOperationException(Resources.GetString("Ex_SingleOperation"));
}
this._cancellationPending = false;
try
{
DeploymentManager deploymentManager = this.CreateDeploymentManager();
try
{
deploymentManager.Bind();
UpdateCheckInfo updateCheckResult = this.DetermineUpdateCheckResult(deploymentManager.ActivationDescription);
if (updateCheckResult.UpdateAvailable)
{
deploymentManager.DeterminePlatformRequirements();
try
{
deploymentManager.DetermineTrust(new TrustParams()
{
NoPrompt = true
});
}
catch (TrustNotGrantedException ex)
{
if (!deploymentManager.ActivationDescription.IsUpdateInPKTGroup)
{
throw;
}
}
}
this.ProcessUpdateCheckResult(updateCheckResult, deploymentManager.ActivationDescription);
if (!updateCheckResult.UpdateAvailable)
{
return(false);
}
deploymentManager.Synchronize();
if (deploymentManager.ActivationDescription.IsUpdateInPKTGroup)
{
this._subState = this._subStore.GetSubscriptionState(deploymentManager.ActivationDescription.DeployManifest);
}
}
finally
{
deploymentManager.Dispose();
}
}
finally
{
Interlocked.Exchange(ref this._guard, 0);
}
return(true);
}
/// <summary>Performs the same operation as <see cref="M:System.Deployment.Application.ApplicationDeployment.CheckForUpdate" />, but returns extended information about the available update.</summary>
/// <returns>An <see cref="T:System.Deployment.Application.UpdateCheckInfo" /> for the available update.</returns>
/// <param name="persistUpdateCheckResult">If false, the update will be applied silently and no dialog box will be displayed.</param>
public UpdateCheckInfo CheckForDetailedUpdate(bool persistUpdateCheckResult)
{
new NamedPermissionSet("FullTrust").Demand();
if (Interlocked.CompareExchange(ref this._guard, 2, 0) != 0)
{
throw new InvalidOperationException(Resources.GetString("Ex_SingleOperation"));
}
this._cancellationPending = false;
UpdateCheckInfo info = (UpdateCheckInfo)null;
try
{
DeploymentManager deploymentManager = this.CreateDeploymentManager();
try
{
deploymentManager.Bind();
info = this.DetermineUpdateCheckResult(deploymentManager.ActivationDescription);
if (info.UpdateAvailable)
{
deploymentManager.DeterminePlatformRequirements();
try
{
deploymentManager.DetermineTrust(new TrustParams()
{
NoPrompt = true
});
}
catch (TrustNotGrantedException ex)
{
if (!deploymentManager.ActivationDescription.IsUpdateInPKTGroup)
{
throw;
}
}
}
if (persistUpdateCheckResult)
{
this.ProcessUpdateCheckResult(info, deploymentManager.ActivationDescription);
}
}
finally
{
deploymentManager.Dispose();
}
}
finally
{
Interlocked.Exchange(ref this._guard, 0);
}
return(info);
}