private void mnuCategoriesAdd_Click(object sender, EventArgs e)
{
// show AddCategory form
AddCategory fAddCategory = new AddCategory();
fAddCategory.ShowDialog();
}
// adding category
private void cmdAdd_Click(object sender, EventArgs e)
{
AddCategory fAddCategory = new AddCategory(); //Initialized AddCategory form
if (fAddCategory.ShowDialog() == DialogResult.OK) // show AddCategory form and if success
{
//get newly add category form AddCategory form and add to list
newLstItem = lstCategories.Items.Add(String.Format("CAT{0:000}", fAddCategory.GetNewCategory().Id));
newLstItem.SubItems.Add(fAddCategory.GetNewCategory().Name);
}
}