private void spriteList_SelectedIndexChanged(object sender, EventArgs e)
{
scrollPos = 0;
mpf = mpfImages[(int)spriteList.SelectedItem];
cachedFrames = new Bitmap[mpf.ExpectedFrames];
for (int i = 0; i < mpf.ExpectedFrames; ++i)
{
cachedFrames[i] = mpf.Render(i);
}
UpdateSpriteSheetImage();
}
