CUSTOM COMBOBOX / PERSONNALISER UN COMBOBOX

private void FillCustomCombo() 
{ 
            // Add special item (color)
            this.customCbImgFix.Items.Add(new ComboBoxItem("Elément spécial", Color.Red, false));
            // Add normal item (ToString is used)
            this.customCbImgFix.Items.Add("Premier élément normal");
            // Add special item (image, couleur)
            ComboBoxItem cbi4 = new ComboBoxItem("Elément spécial", Color.DarkBlue, true);
            cbi4.IndexImageList = 0;
            this.customCbImgFix.Items.Add(cbi4);
            // Add normal item (ToString is used)
            this.customCbImgFix.Items.Add("Deuxième élément normal");
            // Add normal item (ToString is used)
            this.customCbImgFix.Items.Add("Troisième élément normal");
            // Add special item (image)
            ComboBoxItem cbi5 = new ComboBoxItem();
            cbi5.DisplayName = "Elément spécial";
            cbi5.IndexImageList = 1;
            cbi5.IsEnabled = false;
            this.customCbImgFix.Items.Add(cbi5);
            // Add special item (bold)
            this.customCbImgFix.Items.Add(new ComboBoxItem("Elément spécial", Color.Black, true));
            // Add normal item (ToString is used)
            this.customCbImgFix.Items.Add("Quatrième élément normal");
            // Add special item (backColor, foreColor)
            ComboBoxItem cbi6 = new ComboBoxItem("Elément spécial", Color.Red, false);
            cbi6.BackColor = Color.Beige;
            this.customCbImgFix.Items.Add(cbi6);
            ComboBoxItem cbi7 = new ComboBoxItem();
            cbi7.DisplayName = "Elément spécial";
            cbi7.BackColor = Color.Beige;
            this.customCbImgFix.Items.Add(cbi7);
            ComboBoxItem cbi8 = new ComboBoxItem();
            cbi8.DisplayName = "Elément spécial";
            cbi8.BackColor = Color.Beige;
            this.customCbImgFix.Items.Add(cbi8);
            ComboBoxItem cbi9 = new ComboBoxItem();
            cbi9.DisplayName = "Elément spécial";
            cbi9.BackColor = Color.Beige;
            this.customCbImgFix.Items.Add(cbi9);
}