/// <summary> /// Event handler for the undo button /// Will undo the last add or delete action /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void undoBtn_Click(object sender, EventArgs e) { invoker.undo(); recordListView.Items.Clear(); populateList(controller.getRecordList().getList()); controller.readRecordListToFile(); if (invoker.checkUndoStack() == false) { undoBtn.Enabled = false; } else { undoBtn.Enabled = true; } if (invoker.checkRedoStack() == false) { redoBtn.Enabled = false; } else { redoBtn.Enabled = true; } SetCollectionInfo(); }
public void checkUndo() { r.undo(); Assert.IsTrue(list.getList().Count < 1); }