Devexpress XtraTabbedMdiManager添加右键关闭菜单 （关闭当前页、关闭其它页、所有关闭）

 // 关闭当前
private void barItemCloseCurrent_ItemClick(object sender, ItemClickEventArgs e)
{
    //xtraTabbedMdiManager1
    Form frm = xtraTabbedMdiManager1.SelectedPage.MdiChild;
    if (frm is frmModuleView) return;
    else
        frm.Close();
}
// 关闭所有
private void barItemCloseAll_ItemClick(object sender, ItemClickEventArgs e)
{
    foreach (XtraMdiTabPage page in xtraTabbedMdiManager1.Pages)
    {
        if (page == xtraTabbedMdiManager1.SelectedPage) return;

        Form frm = page.MdiChild;
        if (frm is frmModuleView) return;
        else
            frm.Close();
    }
}
// 关闭其他
private void barItemCloseOthers_ItemClick(object sender, ItemClickEventArgs e)
{

    foreach (XtraMdiTabPage page in xtraTabbedMdiManager1.Pages)
    {
        if (page == xtraTabbedMdiManager1.SelectedPage) return;

        Form frm = page.MdiChild;
        if (frm is frmModuleView) return;
        else
            frm.Close();
    }
}

 private void xtraTabbedMdiManager1_MouseUp(object sender, MouseEventArgs e)
{
    if (e.Button == MouseButtons.Right)
    {
        var info = xtraTabbedMdiManager1.CalcHitInfo(e.Location);
        if (info.HitTest == DevExpress.XtraTab.ViewInfo.XtraTabHitTest.PageHeader)
        {
            popupCloseChild.ShowPopup(MousePosition);
        }
    }
}