启动界面调用的窗体

SplashScreenManager.ShowForm(null, typeof(ssMain), true, true, false, 1000);

public partial class ssMain : DemoSplashScreen {
int dotCount = 0;
public ssMain() {
DevExpress.Utils.LocalizationHelper.SetCurrentCulture(DataHelper.ApplicationArguments);
InitializeComponent();
labelControl1.Text = string.Format("{0}{1}", labelControl1.Text, GetYearString());
pictureEdit2.Image = global::DevExpress.MailClient.Win.Properties.Resources.SplashScreen;
Timer tmr = new Timer();
tmr.Interval = 400;
tmr.Tick += new EventHandler(tmr_Tick);
tmr.Start();
}

void tmr_Tick(object sender, EventArgs e) {
if(++dotCount > 3) dotCount = 0;
labelControl2.Text = string.Format("{1}{0}", GetDots(dotCount), DevExpress.MailClient.Win.Properties.Resources.Starting);
}

string GetDots(int count) {
string ret = string.Empty;
for(int i = 0; i < count; i++) ret += ".";
return ret;
}
int GetYearString() {
int ret = DateTime.Now.Year;
return (ret < 2015 ? 2015 : ret);
}
}