/// <summary>
/// Clears the issue cache. Called when the user clicks the corresponding button in the dialog.
/// </summary>
/// <param name="sender">The sender</param>
/// <param name="e">The event arguments</param>
private void ClearIssueCache_OnClick(object sender, RoutedEventArgs e)
{
Settings.Default.LastIssueSyncDate = new DateTime(1900, 01, 01);
Settings.Default.Save();
LocalCache.DeleteEntry(LocalCache.KnownProjects);
LocalCache.DeleteEntry(LocalCache.KnownIssues);
}
