AddAlert.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace SeciUserInterface.Dialogs.Alerts
{
    public partial class AddAlert : Form
    {
        public String Block;
        public String BlockType;
        public String Low;
        public String High;
        public Boolean SubConfig;
        public String OldLow;
        public String OldHigh;

        public AddAlert()
        {
            InitializeComponent();

            for (int i = 0; i < Seci.Managers.BlockMgr.Blocks.Count; ++i)
            {
                comBlocks.Items.Add(Seci.Managers.BlockMgr.Blocks[i].BlockName);
            }
        }

        private void AddAlert_Load(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(Block))
            {
                comBlocks.SelectedItem = Block;
                comBlocks.Enabled = false;
                txtLow.Text = OldLow;
                txtHigh.Text = OldHigh;
                this.Text = "Edit Alert";
            }
        }

        private void comBlocks_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (comBlocks.SelectedIndex != -1)
            {
                var block = Seci.Managers.BlockMgr.Blocks[comBlocks.SelectedIndex];
                var type = Seci.Managers.LabViewMgr.GetControlType(block.ParentVI, block.ReadControl);
                lblType.Text = type.ToString();
            }
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            if (comBlocks.SelectedIndex == -1)
            {
                MessageBox.Show("Please select a Block");
                return;
            }

            if (lblType.Text == "NUMERIC")
            {
                BlockType = Seci.Definitions.ControlType.NUMERIC.ToString();

                Double low;
                Double high;

                if (!Double.TryParse(txtLow.Text, out low))
                {
                    MessageBox.Show("Low limit must be numeric");
                    return;
                }

                if (!Double.TryParse(txtHigh.Text, out high))
                {
                    MessageBox.Show("High limit must be numeric");
                    return;
                }

                Block = comBlocks.SelectedItem.ToString();

                if (low > high)
                {
                    Low = high.ToString();
                    High = low.ToString();
                }
                else
                {
                    Low = low.ToString();
                    High = high.ToString();
                }
            }
            else
            {
                MessageBox.Show("Currently alerts can only be set for numeric blocks");
                return;
            }

            if (SubConfig)
            {
                MessageBox.Show("This alert was loaded from a sub-configuration; the changes will not be saved in the sub-configuration");
            }

            DialogResult = System.Windows.Forms.DialogResult.OK;
            Close();
        }

        

    }
}