protected override void OnDrawColumnHeader(DrawListViewColumnHeaderEventArgs e)
{
base.OnDrawColumnHeader(e);
if (e.ColumnIndex == 0)
{
var headerCheckBox = new CheckBox {Text = "", Visible = true};
SuspendLayout();
e.DrawBackground();
headerCheckBox.BackColor = Color.Transparent;
headerCheckBox.UseVisualStyleBackColor = true;
headerCheckBox.BackgroundImage = Resources.ListViewHeaderCheckboxBackgroud;
headerCheckBox.SetBounds(e.Bounds.X, e.Bounds.Y,
headerCheckBox.GetPreferredSize(new Size(e.Bounds.Width, e.Bounds.Height)).
Width,
headerCheckBox.GetPreferredSize(new Size(e.Bounds.Width, e.Bounds.Height)).
Height);
headerCheckBox.Size =
new Size(headerCheckBox.GetPreferredSize(new Size(e.Bounds.Width - 1, e.Bounds.Height)).Width + 1,
e.Bounds.Height);
headerCheckBox.Location = new Point(4, 0);
Controls.Add(headerCheckBox);
headerCheckBox.Show();
headerCheckBox.BringToFront();
e.DrawText(TextFormatFlags.VerticalCenter | TextFormatFlags.Left);
headerCheckBox.CheckedChanged += OnHeaderCheckboxCheckedChanged;
ResumeLayout(true);
}
else
{
e.DrawDefault = true;
}
}