Some objects (like a Window, a Page, a Graphic button and etc ) have settings of the background texture.
To change the background texture of an object
1. Select an object in the Project panel or on the Artboard.
2. In the Properties panel, under Texture image in the Properties section :
3. Select or deselect the Texture image checkbox to enable or disable the background texture of an object, then type the Filename () or select it by using the browse button (). Supported the following graphic formats :
You can specify following properties for the background texture :
Image size - one of the following :
If the size of an image is smaller than the size of an object , you can select the Tiled checkbox to multiply the image on whole object or align the image inside the object by using the Alignment button and the Offset X , Offset Y value.