public MainUIThreadForm()
{
Text = "First UI";
Button button;
Controls.Add(button = new Button {
Text = "Start second UI thread", AutoSize = true, Location = new Point(10, 10)
});
button.Click += (s, e) =>
{
if (secondThreadForm == null || !secondThreadForm.IsHandleCreated)
{
secondThreadForm = SecondUIThreadForm.Create();
}
};
Controls.Add(button = new Button {
Text = "Stop second UI thread", AutoSize = true, Location = new Point(10, 40)
});
button.Click += (s, e) =>
{
if (secondThreadForm != null && secondThreadForm.IsHandleCreated)
{
secondThreadForm.Invoke((Action)(() => secondThreadForm.Close()));
}
};
}
public MainUIThreadForm()
{
Text = "First UI";
Button button;
Controls.Add(button = new Button {
Text = "Start second UI thread", AutoSize = true, Location = new Point(10, 10)
});
button.Click += (s, e) =>
{
if (secondThreadFormHandle == IntPtr.Zero)
{
Form second = SecondUIThreadForm.Create();
second.HandleCreated += SecondFormHandleCreated;
second.HandleDestroyed += SecondFormHandleDestroyed;
}
};
Controls.Add(button = new Button {
Text = "Stop second UI thread", AutoSize = true, Location = new Point(10, 40)
});
button.Click += (s, e) =>
{
if (secondThreadFormHandle != IntPtr.Zero)
{
PostMessage(secondThreadFormHandle, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
}
};
}
public static SecondUIThreadForm Create()
{
SecondUIThreadForm form = new SecondUIThreadForm();
thread = new Thread(Main2);
thread.SetApartmentState(ApartmentState.STA);
thread.Start(form);
return(form);
}
