assets/samples/Samples/DocumentChanged/CS/ChangesInfoForm.cs

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using System;
using System.Data;
using System.Drawing;
using System.Windows.Forms;

namespace Revit.SDK.Samples.ChangesMonitor.CS
{
    /// <summary>
    /// The UI to show the change history logs. This class is not the main one just a assistant
    /// in this sample. If you just want to learn how to use DocumentChanges event,
    /// please pay more attention to ExternalApplication class.
    /// </summary>
    public partial class ChangesInformationForm : Form
    {
        /// <summary>
        /// Default constructor.
        /// </summary>
        public ChangesInformationForm()
        {
            InitializeComponent();
        }

        /// <summary>
        /// Constructor with one argument
        /// </summary>
        /// <param name="dataBuffer">prepare the informations which is shown in this UI</param>
        public ChangesInformationForm(DataTable dataBuffer)
            : this()
        {
            changesdataGridView.DataSource = dataBuffer;
            changesdataGridView.AutoGenerateColumns = false;
        }


        /// <summary>
        /// windows shown event handler
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ChangesInfoForm_Shown(object sender, EventArgs e)
        {
            // set window's display location
            int left             = Screen.PrimaryScreen.WorkingArea.Right - this.Width - 5;
            int top              = Screen.PrimaryScreen.WorkingArea.Bottom - this.Height;
            Point windowLocation = new Point(left, top);
            this.Location        = windowLocation;
        }

        /// <summary>
        /// Scroll to last line when add new log lines
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void changesdataGridView_RowsAdded(object sender, DataGridViewRowsAddedEventArgs e)
        {
            changesdataGridView.CurrentCell = changesdataGridView.Rows[changesdataGridView.Rows.Count - 1].Cells[0];
        }
      
    }
}