Пример #1
0
 private void RichTextBox1_KeyPress(object sender, KeyPressEventArgs e) //hour
 {
     if ((e.KeyChar < 48) || (e.KeyChar > 57))                          //这是允许输入0-24数字
     {
         e.Handled = true;
     }
     if ((e.KeyChar == 13))
     {
         Min.Focus();
     }
 }