using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace CutToLength { public partial class Form2 : Form { public Form2() { InitializeComponent(); } private void dataGridView1_SelectionChanged(object sender, EventArgs e) { } private void dataGridView1_RowEnter(object sender, DataGridViewCellEventArgs e) { var selectedBin = dataGridView1.Rows[e.RowIndex].DataBoundItem as Bin; if (selectedBin == null) return; class11.Bin = selectedBin; class11.Invalidate(); } public List Bins { get { return dataGridView1.DataSource as List; } set { dataGridView1.DataSource = value; } } } }