//================================================================================
void ButOkClick(object sender, EventArgs e)
{
int type = 0;
string text = "";
if (optAll.Checked)
{
type = CajApp.NULL_TYPE_ALL;
text = "";
}
else if (optAllExcept.Checked)
{
type = CajApp.NULL_TYPE_ALL_EXCEPT;
text = txtList.Text;
}
else if (optOnly.Checked)
{
type = CajApp.NULL_TYPE_ONLY;
text = txtList.Text;
}
int numKeepEmitters = 0;
String s = CajApp.config.read(CajConfig.keyKeepEmitters);
if (s != "")
{
numKeepEmitters = int.Parse(s);
}
CajApp.nullEffects(type, text, numKeepEmitters);
this.Hide();
}