private void btnFolders_Click(object sender, EventArgs e)
{
if (frmFolderList == null)
{
frmFolderList = new FRMFolderList(FilesList.GetDirectories());
frmFolderList.FormClosed += new FormClosedEventHandler(frmFolderList_FormClosed);
frmFolderList.ShowDialog();
} else
frmFolderList.BringToFront();
}
private void frmFolderList_FormClosed(object sender, FormClosedEventArgs e)
{
frmFolderList = null;
}