private void btnPreview_Click(object sender, EventArgs e)
{
if (m_filterForm == null)
{
m_filterForm = new FilterForm(Screen.FromControl(this), GetFilterSettings());
m_filterForm.Show(this);
Task.Delay(3000).ContinueWith(t => CloseFilterFormTask());
}
}
private void CloseFilterForm()
{
m_filterForm.Close();
m_filterForm = null;
}
