private void populateComboBoxes(Backend backend) { Dictionary <string, string> shopItems = backend.getShopItems(); comboBox1.DataSource = new BindingSource(shopItems, null); comboBox1.DisplayMember = "Value"; comboBox1.ValueMember = "Key"; comboBox2.DataSource = new BindingSource(shopItems, null); comboBox2.DisplayMember = "Value"; comboBox2.ValueMember = "Key"; comboBox3.DataSource = new BindingSource(shopItems, null); comboBox3.DisplayMember = "Value"; comboBox3.ValueMember = "Key"; comboBox4.DataSource = new BindingSource(shopItems, null); comboBox4.DisplayMember = "Value"; comboBox4.ValueMember = "Key"; comboBox5.DataSource = new BindingSource(shopItems, null); comboBox5.DisplayMember = "Value"; comboBox5.ValueMember = "Key"; comboBox6.DataSource = new BindingSource(shopItems, null); comboBox6.DisplayMember = "Value"; comboBox6.ValueMember = "Key"; comboBox7.DataSource = new BindingSource(shopItems, null); comboBox7.DisplayMember = "Value"; comboBox7.ValueMember = "Key"; comboBox8.DataSource = new BindingSource(shopItems, null); comboBox8.DisplayMember = "Value"; comboBox8.ValueMember = "Key"; comboBox9.DataSource = new BindingSource(shopItems, null); comboBox9.DisplayMember = "Value"; comboBox9.ValueMember = "Key"; comboBox10.DataSource = new BindingSource(shopItems, null); comboBox10.DisplayMember = "Value"; comboBox10.ValueMember = "Key"; comboBox11.DataSource = new BindingSource(shopItems, null); comboBox11.DisplayMember = "Value"; comboBox11.ValueMember = "Key"; comboBox12.DataSource = new BindingSource(shopItems, null); comboBox12.DisplayMember = "Value"; comboBox12.ValueMember = "Key"; comboBox13.DataSource = new BindingSource(shopItems, null); comboBox13.DisplayMember = "Value"; comboBox13.ValueMember = "Key"; comboBox14.DataSource = new BindingSource(shopItems, null); comboBox14.DisplayMember = "Value"; comboBox14.ValueMember = "Key"; comboBox15.DataSource = new BindingSource(shopItems, null); comboBox15.DisplayMember = "Value"; comboBox15.ValueMember = "Key"; comboBox16.DataSource = new BindingSource(shopItems, null); comboBox16.DisplayMember = "Value"; comboBox16.ValueMember = "Key"; }