public static FrmStyleBase GetSingleton()
{
if (frm == null || frm.IsDisposed)
{
frm = new FrmStyleBase();
}
return(frm);
}
private void tsmiStyleBase_Click(object sender, EventArgs e)
{
FrmStyleBase frm = FrmStyleBase.GetSingleton();
frm.MdiParent = this;
frm.Show();
frm.Activate();
}
private void FrmStyleBase_FormClosing(object sender, FormClosingEventArgs e)
{
frm = null;
}