protected internal static CheckinListForm Instance()
{
if (_instance == null)
{
_instance = new CheckinListForm();
}
return(_instance);
}
private void btnCheckinList_Click(object sender, EventArgs e)
{
if (!panel3.Controls.Contains(CheckinListForm.Instance()))
{
panel3.Controls.Add(CheckinListForm._instance);
CheckinListForm._instance.Dock = DockStyle.Fill;
CheckinListForm._instance.BringToFront();
CheckinListForm._instance.Visible = true;
CheckinListForm._instance.load_CheckinList();
}
else
{
CheckinListForm._instance.BringToFront();
CheckinListForm._instance.Visible = true;
CheckinListForm._instance.load_CheckinList();
}
}
