public void SelectSavePath()
{
var dir = SavePath;
var path = SavePath.GetSuffix();
if (path != string.Empty)
{
dir = dir.Replace(path, "");
}
var dialog = new SaveFileDialog();
dialog.InitialDirectory = dir;
dialog.FileName = path;
dialog.Filter = "NPK|*.npk";
if (dialog.ShowDialog() == DialogResult.OK)
{
SavePath = dialog.FileName;
OnSaveChanged();
}
}