protected override void OnDrawItem(DrawItemEventArgs e) { Rectangle rect = e.Bounds; if (e.Index >= 0) { string colorName = this.Items[e.Index].ToString(); Color c = Color.FromName(colorName); using (Brush b = new SolidBrush(c)) //預留下拉項間距 ...
Public Const WM_DRAWITEM = &H2B& '當button,combobox,listbox,menu的可視外觀改變時發(fā)送此消息給這些空件的所有者 Public Const WM_MEASUREITEM = &H2C& '當button, combo box, list box, list view control, or menu item 被創(chuàng)建時發(fā)送此消息給控件的所有者 ...