// A callback is a function that will be called when a process is done executing
// a specific task
public static void Run()
{
// To create a callback, a function address needs to be stored in a variable
WorkCompletedCallBack callBack = TestCallBack;
DoWork(callBack);
DoMoreWork(Console.WriteLine);
// Delegates (see below)
// ------------------------------------------------------
Foo fooExample = Bar;
var time = fooExample(DateTime.UtcNow);
Console.WriteLine(time);
// Action delegate (see below)
// ------------------------------------------------------
// Named method
NamedActionDelegate = NamedMethod;
NamedActionDelegate?.Invoke("Named Action Delegate", 5);
// Anonymous function
AnonymousActionDelegate?.Invoke("Anonymous Action Delegate", 106);
// Func delegate (see below)
// ------------------------------------------------------
NamedFuncDelegate = NamedMethod;
var namedResult = NamedFuncDelegate?.Invoke(100);
Console.WriteLine(namedResult);
}
public SearchProductPresenter(IStateManager manager, WorkCompletedCallBack callBack) : base(manager)
{
Form = (ISearchProductView)FormFactory.CreateForm("SearchProductForm", new object[] { this });
ProductSection = new ProductSection(Form.ProductDataTable, this, Form);
Form.SetSearchParams(ProductSection.GetSearchParameters());
ProductSection.UpdateVisibleProducts();
Callback = callBack;
Form.Text = Title;
}
public Event(int execTimeout, WorkCompletedCallBack callback, IEventManager manager, bool isOneTimeOnly)
{
Callback = callback;
_accumulatedTime = 0;
_maxCounterValue = execTimeout;
Id = ++ID;
_isOneTimeOnly = isOneTimeOnly;
Manager = manager;
}
public ConfirmActionPresenter(IStateManager manager, WorkCompletedCallBack callBack, string confirmText) :
base(manager)
{
Form = (IConfirmActionView)FormFactory.CreateForm("ConfirmActionForm", new object[] { this });
((Form)Form).FormClosing += (o, e) => Cancel();
Form.ConfirmTextContent = confirmText;
CallBack = callBack;
IsConfirmPerformed = false;
Form.Text = @"Потвърждаване";
}
private void NotifyWorkCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e)
{
WorkCompletedCallBack workCompletedCopy = _workCompleted;
if (workCompletedCopy != null)
{
workCompletedCopy(_workReportCreator.GenerateReport());
}
_bgWorker.RunWorkerCompleted -= NotifyWorkCompleted;
_bgWorker.DoWork -= RunWorker;
_cancelRequested = false;
_undoStack.Clear();
_commandQueue.Clear();
}
private void WorkCompleted()
{
if (this.aisinoDataGrid1.InvokeRequired || this.toolStrip1.InvokeRequired)
{
WorkCompletedCallBack method = new WorkCompletedCallBack(this.WorkCompleted);
this.aisinoDataGrid1.Invoke(method, new object[0]);
}
else
{
for (int i = 0; i < this.aisinoDataGrid1.ColumnCount; i++)
{
this.aisinoDataGrid1.AutoResizeColumn(i);
}
this.toolStripBtnDBPath.Enabled = true;
this.toolStripBtnDBFile.Enabled = true;
}
}
public void ConfirmOrder(WorkCompletedCallBack callback)
{
callback(this.orders.ToArray());
this.orders.Clear();
}
public static void DoWork(WorkCompletedCallBack callBack)
{
callBack("Hello world!");
}