public bool AddMaterial(Material material) { if (Materials.Contains(material)) { return(false); } Materials.Add(material); return(true); }
void OnMaterialAdded(object obj) { var material = obj as Material; var alreadyExists = Materials.Contains(material); if (alreadyExists) { return; } Materials.Add(material); }
public bool Contains(MaterialBrush item) { return(Materials.Contains(item)); }