When working with TTabControl in your iOS applications, you can choose from many different default icons. Besides the default icons, you can also use your own custom tab item graphics. To set a custom icon, select the tab item, and select the CustomIcon property in the Object Inspector. This opens the Custom Tab Icon Selector dialog. Here you can select both your standard (30x30 px) and retina (60x60px) icons you want to use. Icons should be provided in png format with a transparent background. ...