對您的問題進行第二次讀取,我現在看到您有兩種不同的形式。您將需要以第一種形式公開DateTimePicker.ValueChanged
事件,然後以第二種形式公開DateTimePicker.Value
屬性。例如:
class DateEventArgs : EventArgs
{
public DateTime Date {get; private set;}
public DateEventArgs(DateTime d)
: base()
{
this.Date = d;
}
}
class FirstForm : Form
{
DateTimePicker dtp = new DateTimePicker();
public event EventHandler<DateEventArgs> DateSelected;
protected virtual void OnDateSelected(DateEventArgs e)
{
EventHandler<DateEventArgs> handler = DateSelected;
if(handler != null) handler(this, e);
}
public FirstForm()
{
this.Controls.Add(dtp);
dtp.ValueChanged += new EventHandler(dtp_ValueChanged);
}
void dtp_ValueChanged(object sender, EventArgs e)
{
DateEventArgs dea = new DateEventArgs(dtp.Value.Date);
OnDateSelected(dea);
}
}
class SecondForm : Form
{
DateTimePicker dtp = new DateTimePicker();
public DateTime SelectedDate
{
set { dtp.Value = value; }
}
public SecondForm()
{
this.Controls.Add(dtp);
}
}
static class Controller
{
FirstForm f1;
SecondForm f2;
static void Go()
{
f1 = new FirstForm();
f2 = new SecondForm();
f1.DateSelected += new EventHandler<DateEventArgs>(f1_DateSelected);
f1.Show();
f2.Show();
}
static void f1_DateSelected(object sender, DateEventArgs e)
{
f2.SelectedDate = e.Date.AddMonths(6);
}
}
你見過'DateTimePicker.Value'財產(http://msdn.microsoft.com/en-us/library/system.windows.forms .datetimepicker.value.aspx)? – Dennis 2012-08-09 05:16:28