public static void RunPackageOperation(LicenseAwarePackageManager packageManager, Func <Task> operationFactory, string operationLabel = null)
{
EventHandler <RequiringLicenseAcceptanceEventArgs> requiringLicenseHandler = null;
using (var dialog = new PackageOperationDialog {
ShowInTaskbar = true
})
{
if (!string.IsNullOrEmpty(operationLabel))
{
dialog.Text = operationLabel;
}
requiringLicenseHandler = (sender, e) =>
{
if (dialog.InvokeRequired)
{
dialog.Invoke(requiringLicenseHandler, sender, e);
}
else
{
dialog.Hide();
using (var licenseDialog = new LicenseAcceptanceDialog(e.LicensePackages))
{
e.LicenseAccepted = licenseDialog.ShowDialog() == DialogResult.Yes;
if (e.LicenseAccepted)
{
dialog.Show();
}
}
}
};
dialog.RegisterEventLogger((EventLogger)packageManager.Logger);
packageManager.RequiringLicenseAcceptance += requiringLicenseHandler;
try
{
var operation = operationFactory();
operation.ContinueWith(task =>
{
if (task.IsFaulted)
{
LogException(packageManager.Logger, task.Exception);
}
else
{
dialog.BeginInvoke((Action)dialog.Close);
}
});
dialog.ShowDialog();
}
finally { packageManager.RequiringLicenseAcceptance -= requiringLicenseHandler; }
}
}
void packageManager_RequiringLicenseAcceptance(object sender, RequiringLicenseAcceptanceEventArgs e)
{
if (control.InvokeRequired)
{
control.Invoke((EventHandler <RequiringLicenseAcceptanceEventArgs>)packageManager_RequiringLicenseAcceptance, sender, e);
}
else
{
if (operationDialog == null)
{
return;
}
operationDialog.Hide();
using (var licenseDialog = new LicenseAcceptanceDialog(e.LicensePackages))
{
e.LicenseAccepted = licenseDialog.ShowDialog(control) == DialogResult.Yes;
if (e.LicenseAccepted)
{
operationDialog.Show();
}
}
}
}