private void Batch_FormClosing(object sender, FormClosingEventArgs e)
{
if (worker != null && worker.IsAlive)
{
DialogResult res = MessageBox.Show(this, "Work hasn't completed yet. Are you sure you want to cancel?", "Biome Painter", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Exclamation);
if (res == DialogResult.Yes)
{
btnCancel.Enabled = false;
mutex.WaitOne();
worker.Abort();
mutex.ReleaseMutex();
mutex.Dispose();
return;
}
else
{
e.Cancel = true;
return;
}
}
else if(mutex != null)
{
mutex.WaitOne();
mutex.ReleaseMutex();
mutex.Dispose();
}
}