private void listViewUsage_SelectedIndexChanged(object sender, EventArgs e)
{
this.toolStripButtonUsageNavigate.Enabled = (this.listViewUsage.SelectedItems.Count == 1);
bool migrate = false;
if (this.listViewUsage.SelectedItems.Count > 0)
{
migrate = true;
foreach(ListViewItem lvi in this.listViewUsage.SelectedItems)
{
if(lvi.Text.Equals("[Template]"))
{
migrate = false;
}
}
}
this.toolStripButtonUsageMigrate.Enabled = migrate;
}