/// <summary>
/// Overrides parent OnDrawItem method to perform custom painting
/// </summary>
/// <param name="pe"></param>
protected override void OnDrawItem(DrawItemEventArgs pe)
{
pe.DrawBackground();
pe.DrawFocusRectangle();
Rectangle bounds = pe.Bounds;
// Check whether the index is valid
if (pe.Index >= 0 && pe.Index < base.Items.Count)
{
ImageListBoxItem item = (ImageListBoxItem)base.Items[pe.Index];
int iOffset = 0;
// If the image list is present and the image index is set, draw the image
if (imageList != null)
{
if (item.ImageIndex != -1 && item.ImageIndex < imageList.Images.Count)
{
imageList.Draw(pe.Graphics, bounds.Left, bounds.Top, item.ImageIndex);
}
iOffset += imageList.ImageSize.Width;
}
// Draw item text
pe.Graphics.DrawString(item.Text, pe.Font, new SolidBrush(pe.ForeColor),
bounds.Left + iOffset, bounds.Top);
}
base.OnDrawItem(pe);
}
private int DoInsertItem(int index, ImageListBoxItem item)
{
item.imageList = imageList;
item.itemIndex = index;
base.Items.Insert(index, item);
return(index);
}
private void DoSetElement(int index, ImageListBoxItem value)
{
base.Items[index] = value;
}
public int Add(ImageListBoxItem item)
{
return(owner.DoInsertItem(Count, item));
}
public void Insert(int index, ImageListBoxItem item)
{
owner.DoInsertItem(index, item);
}
public void Remove(ImageListBoxItem item)
{
throw new NotSupportedException();
}