A digital camera having a housing and a lens assembly receiving in the housing, includes a touch screen, a right shutter button, a left shutter button, and a selection switch. The right shutter button is configured for right-handed activation of a shutter function of the lens assembly of the digital camera. The left shutter button is configured for a left hand to turn on the lens assembly of the digital camera. The selection switch is electronically connected to the left, right shutter buttons and the touch screen. The selection switch is configured for selecting and activating one of the left, right shutter buttons to turn on the lens assembly of the digital camera. The selection is also configured for changing a relative position of the image-displaying area and the virtual button area in response to the left shutter button and the right shutter button that is activated.