private async void OpenPort(object sender, EventArgs e)
{
await Task.Run(() => {
if (PD.Port.IsOpen)
{
PD.Close();
}
else
{
Exception Err = PD.Open();
if (Err != null)
{
BeginInvoke((MethodInvoker)(() =>
{
MessageBox.Show(Err.Message, null, MessageBoxButtons.OK, MessageBoxIcon.Error);
}));
}
}
BeginInvoke((MethodInvoker)(() =>
{
if (PD.Port.IsOpen)
{
BtnClose.Visible = true; BtnOpen.Visible = false;
}
else
{
BtnClose.Visible = false; BtnOpen.Visible = true;
}
}));
});
}
public Form1()
{
InitializeComponent();
COMPort.Items.AddRange(SerialPort.GetPortNames());
COMPort.Text = Properties.Settings.Default.ComPort;
textBox3.Text = Properties.Settings.Default.Speed.ToString();
Close.Enabled = false;
Open.Enabled = true;
textBox1.KeyDown += (s, e) => { if (e.KeyCode == Keys.Enter)
{
Transmit_Click(null, null);
}
};
Refresh.Click += (s, e) => { COMPort.Items.Clear(); COMPort.Items.AddRange(SerialPort.GetPortNames()); };
Close.Click += (s, e) => { PortA.Close(); Open.Enabled = true; Close.Enabled = false; };
COMPort.TextChanged += (s, e) => { Properties.Settings.Default.ComPort = COMPort.Text; Properties.Settings.Default.Save(); };
textBox3.TextChanged += (s, e) =>
{
try
{
int a = Convert.ToInt32(textBox3.Text);
Properties.Settings.Default.Speed = a;
Properties.Settings.Default.Save();
}
catch (Exception err)
{
MessageBox.Show(err.Message, null, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
};
Open.Click += (s, e) =>
{
try
{
PortA.Name = COMPort.Text;
PortA.Speed = Convert.ToInt32(textBox3.Text);
PortA.Open();
Open.Enabled = false; Close.Enabled = true;
}
catch (Exception err)
{
MessageBox.Show(err.Message, null, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
};
PortA.Receive_Event += () => BeginInvoke((MethodInvoker)(() =>
{
Data.Add(PortA.Receive_Array);
textBox2.Lines = Data.ToArray();
textBox2.SelectionStart = textBox2.TextLength;
textBox2.ScrollToCaret();
while (Data.Count > 100)
{
Data.RemoveAt(0);
}
label1.Text = PortA.Result[0].ToString();
}));
PortA.Transmit_Event += () => BeginInvoke((MethodInvoker)(() =>
{
Data.Add(PortA.Transmit_Array);
textBox2.Lines = Data.ToArray();
textBox2.SelectionStart = textBox2.TextLength;
textBox2.ScrollToCaret();
while (Data.Count > 100)
{
Data.RemoveAt(0);
}
}));
}