private void button1_Click(object sender, EventArgs e)
{
AsyncResult asyncResult = m_Result as AsyncResult;
MyFunctionDelegate d = asyncResult.AsyncDelegate as MyFunctionDelegate;
d.EndInvoke(m_Result);
this.CloseForm();
}
public MyClass() : base()
{
// instantiate the delegate (AKA create the pointer)
MyFunctionDelegate myFunctionDelegate = new MyFunctionDelegate();
// map a valid handler (with the same signature) to this delegate
// I'm using "+=" operator because you can add more than one handler to a collection
myFunctionDelegate += new MyFunctionDelegate(PrintValues);
// invoke the handler method (which in this case is PrintValues() - see below)
myFunctionDelegate(1, "Test");
}
public MyClass() : base()
{
// instantiate the delegate (AKA create the pointer)
MyFunctionDelegate myFunctionDelegate = new MyFunctionDelegate();
// map a valid method handler (WITH THE SAME SIGNATURE) to this delegate
// I'm using "+=" operator because you can add more than one handler to a collection
myFunctionDelegate += new MyFunctionDelegate(PrintValues);
// invoke the method handler (which in this case is PrintValues() - see below)
// NOTE THE SIGNATURE OF THIS CALL
myFunctionDelegate(1, "Test");
}
private void Completed(IAsyncResult result)
{
System.Runtime.Remoting.Messaging.AsyncResult asyncResult = result as System.Runtime.Remoting.Messaging.AsyncResult;
MyFunctionDelegate myDelegate = (MyFunctionDelegate)asyncResult.AsyncDelegate;
DialogResult dialogResult = myDelegate.EndInvoke(asyncResult);
if (dialogResult == DialogResult.OK)
{
MessageBox.Show("OK!");
}
else
{
MessageBox.Show("Cancelled!");
}
}
private void button1_Click(object sender, EventArgs e)
{
Person p = new Person();
p.Name = "Wilson";
p.Age = 22;
frm = null;
MyFunctionDelegate myDelegate = new MyFunctionDelegate(MyFunction);
IAsyncResult result = myDelegate.BeginInvoke(p, new AsyncCallback(Completed), null);
frm = new FrmWait(result, myDelegate);
frm.ShowDialog();
//if (frm.ShowDialog() == DialogResult.OK)
//{
// MessageBox.Show("OK!");
//}
//else
//{
// MessageBox.Show("Cancelled!");
//}
}
public void SomeFunction(MyFunctionDelegate myFunction)
{
myFunction(_some, _args);
}
public FrmWait(IAsyncResult result, MyFunctionDelegate d)
{
InitializeComponent();
m_Result = result;
m_Delegate = d;
}
public static extern void follower(int q, MyFunctionDelegate fn);
