摘要：
private void TextBox_TextChanged(object sender, TextChangedEventArgs e) { //屏蔽中文输入和非法字符粘贴输入 TextBox textBox = sender as TextBox; TextChange[] change = new TextChange[e.Changes.Count]; e.Changes.CopyTo(change, 0); int offset = change[0].Of... 阅读全文
