private void timer1_Tick(object sender, EventArgs e)
{
if (this.server == null)
{
MessageBox.Show("请先连接OPC服务器");
timer1.Stop();
button2.Text = "开始循环读数";
toolStripStatusLabel2.Text = "Timer:" + timer1.Enabled.ToString();
}
else if (dataGridView1.Rows.Count == 0)
{
MessageBox.Show("请先添加items");
timer1.Stop();
button2.Text = "开始循环读数";
toolStripStatusLabel2.Text = "Timer:" + timer1.Enabled.ToString();
}
else
{
string[] itemID = new String[dataGridView1.Rows.Count];
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
itemID[i] = dataGridView1.Rows[i].Cells["item"].Value.ToString();
toolStripStatusLabel2.Text = "Timer:" + timer1.Enabled.ToString();
}
string[] type;
string[] value;
OPCOprHelper.GetItems(this.server, itemID, out type, out value);
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
dataGridView1.Rows[i].Cells["type"].Value = type[i];
dataGridView1.Rows[i].Cells["value"].Value = value[i];
dataGridView1.Rows[i].Cells["time"].Value = DateTime.Now.ToString("HH:mm:ss:fff");
}
}
}
private void 添加ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (flag == false)
{
MessageBox.Show("请先点击“读取设定参数”并选中列表中所要查询的参数");
}
else
{
if (listBox1.SelectedItems.Count == 0)
{
MessageBox.Show("请选取参数列表中所要查询的参数");
}
else
{
string[] itemID = new string[listBox1.SelectedItems.Count];
for (int i = 0; i < listBox1.SelectedItems.Count; i++)
{
itemID[i] = listBox1.SelectedItems[i].ToString();
}
string[] type;
string[] value;
OPCOprHelper.GetItems(this.server, itemID, out type, out value);
for (int i = 0; i < itemID.Length; i++)
{
AddItem(itemID[i], type[i], value[i]);
}
}
}
}
//单Item查询
private void button1_Click_1(object sender, EventArgs e)
{
string[] itemID = new String[] { textBox2.Text.ToString() };
string type = "";
string value = "";
OPCOprHelper.GetItem(this.server, itemID, out type, out value);
textBox3.Text = type;
textBox4.Text = value;
}
//读取列表中所有items
private void button3_Click(object sender, EventArgs e)
{
if (listBox1.Items.Count == 0)
{
MessageBox.Show("请先读取设定参数");
}
else
{
string[] itemID = new String[listBox1.Items.Count];
for (int i = 0; i < listBox1.Items.Count; i++)
{
itemID[i] = listBox1.Items[i].ToString();
}
string[] type;
string[] value;
OPCOprHelper.GetItems(this.server, itemID, out type, out value);
for (int i = 0; i < itemID.Length; i++)
{
AddItem(itemID[i], type[i], value[i]);
}
}
}