Question

仅对文本框中的字母进行加密处理vb代码

仅对文本框中的字母进行加密处理vb代码

Answer 1

123456789Private Sub TextBox7_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox7.KeyPress Dim c As Char c = e.KeyChar If Not Char.IsLetterOrDigit(c) Then e.Handled = True Beep() End If End Sub