private void button16_Click(object sender, EventArgs e) { MessageBox.Show(String.Join(",", myConn.PLCListBlocks(PLCBlockType.AllEditableBlocks).ToArray())); string newVal = ""; System.Windows.Forms.DialogResult ret = Form1.InputBox("Block löschen", "Welchen Block?", ref newVal); if (ret == DialogResult.OK) { myConn.PLCDeleteBlock(newVal); MessageBox.Show(String.Join(",", myConn.PLCListBlocks(PLCBlockType.AllEditableBlocks).ToArray())); } }