private void button1_Click(object sender, EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
TaskPromise task = EventBus.Bus.PublishEvent(null, this, new
{
controler = "UserLogin",
action = "Login",
userName = this.txt_name.Text,
password = this.txt_password.Text
});
task.SetComplete(this, (a) =>
{
this.Cursor = Cursors.Default;
this.IsLogin = a.TakeResult <bool>();
if (this.IsLogin)
{
this.Close();
}
else
{
MessageBox.Show(this, "登录失败！", "提示：");
}
});
}
//为当前control设置TaskPromise
private void SetTaskPromiseToControl(object control, TaskPromise promise)
{
Type ctl = control.GetType();
var pro = ctl.GetProperty("Promise", BindingFlags.NonPublic | BindingFlags.Instance);
if (pro != null)
{
pro.SetValue(control, promise);
}
}
public static void SetComplete(this TaskPromise promise, Control control, Action <TaskPromise> callback)
{
if (promise == null)
{
throw new NullReferenceException();
}
if (control == null)
{
promise.SetCompleteInvoke(callback);
return;
}
promise.SetCompleteInvoke(p => {
control.InvokeAsync(callback, p);
});
}