private void btnGrind_Click(object sender, EventArgs e) {
var gr = rune.FilterGrinds(Program.data.Crafts);
var en = rune.FilterEnchants(Program.data.Crafts);
using (var f = new GrindPreview()) {
f.Rune = this.rune;
f.Crafts = gr.Concat(en);
f.ShowDialog();
}
}
