//16进制显示
private void modecheck_CheckedChanged(object sender, EventArgs e)
{
string str;
if (modecheck.Checked)
{
str = CRCHelper.ConvertCharToAscii(sourcebox.Text);
sourcebox.Clear();
sourcebox.Text = str;
str = "";
str = CRCHelper.ConvertCharToAscii(crctext.Text);
str = str.PadLeft(4, '0');
crctext.Clear();
crctext.Text = str;
str = "";
}
else
{
str = CRCHelper.ConvertAsciiToChar(sourcebox.Text);
sourcebox.Clear();
sourcebox.Text = str;
str = "";
str = CRCHelper.ConvertAsciiToChar(crctext.Text);
str = str.PadLeft(2, '0');
crctext.Clear();
crctext.Text = str;
str = "";
}
databox.Text = sourcebox.Text + crctext.Text;
}
