void ShowActivationDialog_Click(object sender, RoutedEventArgs e)
{
var activationDialog = new ActivationDialog {
Owner = this
};
// ((ViewModelBase)activationDialog.DataContext).DisplayState = this;
activationDialog.ShowDialog();
}
// Global exception handling
// (event handler registered in App.xaml)
void Application_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
{
if (e.Exception is NotLicensedException)
{
ShowErrorMessageBox("You don't have a license for this feature");
e.Handled = true;
// Redirect them to the activation dialog so they can install a valid license
var activationDialog = new ActivationDialog {
Owner = MainWindow
};
activationDialog.ShowDialog();
}
else
{
//All other exceptions
string exceptionMessage = e.Exception != null ? e.Exception.Message : e.ToString();
ShowErrorMessageBox("An error occurred: " + exceptionMessage);
e.Handled = false;
}
}
private bool DoLicenseCheck(bool initMode)
{
if ( !licenceChecked )
{
if ( initMode )
// this allows attach to happen before OnLoad, ensuring that
// window exists before attempting to show a licence dialog
return true;
ValidateLicense();
}
while ( !licenceValid )
{
ActivationDialog dlg=new ActivationDialog();
dlg.TrialExpiryDate=licenceExpiryDate;
DialogResult ret=dlg.ShowDialog(this.ParentForm);
if ( ret == DialogResult.OK )
ValidateLicense();
else
return false;
}
return true;
}
