c控件rutltextbox_richtextbox 控件_c richtextbox回车(7)

else

this.richTextBox1.SelectionAlignment = HorizontalAlignment.Center;

this.richTextBox1.Focus();

}

private void textBox1_KeyPress(object sender, KeyPressEventArgs e)

{

if((e.KeyChar < 48 || e.KeyChar > 57) && e.KeyChar != 8 && e.KeyChar !=13)

{

e.Handled = true;

}

else if(e.KeyChar == 13)

{

TextBox txt = (TextBox)sender;

if(txt.Text.Length > 0)

本文来自电脑杂谈，转载请注明本文网址：
http://www.pc-fly.com/a/jisuanjixue/article-29694-7.html