/// <summary>
/// Set selection form to an existing form
/// </summary>
/// <param name="selectionForm"></param>
public void setSelectionForm(selectionForm selectionForm)
{
this.selectionForm = selectionForm;
}
/// <summary>
/// reopens previous form and hides this form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cancelButton_Click(object sender, EventArgs e)
{
if (selectionForm == null)
{
this.selectionForm = new selectionForm();
}
this.selectionForm.setPrevForm(this);
this.selectionForm.Show();
this.Hide();
}