private void MsgBox_FormClosing(object sender, FormClosingEventArgs e)
{
if (!usedConfirmBtn)
{
DialogResult = DialogResult.OK;
DialogQueue.CloseCurrent();
}
}
private void confirmBtn_Click(object sender, EventArgs e)
{
usedConfirmBtn = true;
DialogResult = DialogResult.OK;
DialogQueue.CloseCurrent();
}