private void Form1_Load(object sender, EventArgs e)
{
XmlParse.ReadProducts();
MealFunc.DefaultMeals();
ProductFunc.PopulateTree(treeView1);
MealFunc.PopulateMealTree(treeView2);
UpdateCalories();
}
private void Update1()
{
treeView1.Nodes.Clear();
ProductFunc.PopulateTree(treeView1);
ProductFunc.SearchRecursive(treeView1.Nodes, tb_Search.Text, tb_Search, treeView1);
}