using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace dccdc.Selfhelp { public partial class printSuccess : Form { public printSuccess() { InitializeComponent(); } int i = 0; private void timer1_Tick(object sender, EventArgs e) { //if() if(i==0) { this.BackgroundImage = global::dccdc.Selfhelp.Properties.Resources.y_1; i = 1; } else { this.BackgroundImage = global::dccdc.Selfhelp.Properties.Resources.y_2; i = 0; } } private void timer2_Tick(object sender, EventArgs e) { this.DialogResult = DialogResult.OK; } } }