/// <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);
}