private void SelectButton_Click(object sender, EventArgs e) { using (var f = new AreaSelectionForm()) { f.Move += (s, a) => SavePosition(f); f.Resize += (s, a) => SavePosition(f); f.ShowDialog(); } }
private void SavePosition(AreaSelectionForm f) { AreaTextBox.Text = $"{f.Left};{f.Top};{f.Width};{f.Height}"; }