Year of Code Slideshow

This is my submission for the April 2025 Xojo Year of Code.

Simple slideshow component with just a few methods.

slideshow.webm

Functionality Showcased:

• Threaded loading
• Loading images from a remote source
• Simple sliding transitions
• Mouse interactions
• Random color generation (and images)
• Using runtime generated timers
• Dark/Light Mode painting

API

Slideshow Class

Events

Name	Parameters	Return Type	Description
Pressed	None	None	Raised when the user clicks the Slideshow component's display.

Methods

Name	Parameters	Return Type	Description
Add	item as SlideshowItem	None	Adds a new SlideshowItem class instance to the Slideshow stack.
NextSlide	None	None	Initiates a transition to the next slide in the stack.
Start	None	None	Starts the Slideshow timer that controls stack movement.
Stop	None	None	Stops the Slideshow timer that controls stack movement.

Properties

Name	Type	Default Value	Description
BackgroundColor	ColorGroup	Nil	Color drawn to the stage behind slide images.
ImageInterval	Integer	5000	Time in milliseconds to wait between slide transitions.
PauseOnHover	Boolean	True	Will pause movement between slides (but not current transitions) when the user hovers their mouse over the display.
TransitionLength	Integer	1000	Length of time in milliseconds for each transition.

SlideShowItem Class

Constructors

var newItem as new SlideshowItem( image as Picture )

var newItem as new SlideshowItem( image as Picture, title as String, content as String )

Methods

Name	Parameters	Return Type	Description
Invalidate	None	None	Signals that the slide needs to be redrawn.

Properties

Name	Type	Default Value	Description
Content	String	""	Content text drawn at the bottom of the slide.
Image	Picture	Nil	Image drawn to the display.
Title	String	""	Title text drawn at the bottom of the slide.