private void buttonViewXsdDelete_Click(object sender, EventArgs e)
{
this.listViewViewXsd.BeginUpdate();
for(int i = this.listViewViewXsd.SelectedItems.Count-1; i >= 0; i--)
{
DocXsdFormat docFormat = (DocXsdFormat)this.listViewViewXsd.SelectedItems[i].Tag;
DocModelView docView = (DocModelView)this.m_target;
docView.XsdFormats.Remove(docFormat);
docFormat.Delete();
this.listViewViewXsd.Items.RemoveAt(this.listViewViewXsd.SelectedIndices[i]);
}
this.listViewViewXsd.EndUpdate();
}