void SaveNormalMap() { saveBmpDialog.FileName = ""; DialogResult result = saveBmpDialog.ShowDialog(); if (result == DialogResult.OK) { if (saveBmpDialog.FileName.EndsWith(".bmp")) { terrain.getNormalMap().Save(saveBmpDialog.FileName); } else { MessageBox.Show("Invalid File Type."); } } else { MessageBox.Show("Problem with saving."); } }