Program loading problem in the picture

I would like to ask the program, there are a wide variety of images, buttons, background images, and some decorative images, these pictures later when loaded on the control, or start doing direct load images in the above hot? Is there any relevant examples
Reply:
Every road can go through, you can achieve
Their first try

Reply:
So what do examples or tutorials
Reply:
I have here no textbooks, tutorials
I remember on Apple's Web site, there are many examples of road
Reply:
Direct plus
Reply:
That is also the skin is how to do it