private void saveToolStripMenuItem_Click(object sender, EventArgs e) { if (filename != null) { switch (LoadedChunkVer) { case 1: Chunksv1.Write(filename); break; case 2: Chunksv2.Write(filename); break; case 3: Chunksv3.Write(filename); break; case 4: Chunksv4.Write(filename); break; default: break; } } else { saveAsToolStripMenuItem_Click(this, e); } }