Sets the size of the images shown.
Syntax: ImageSize (width As Int32, height As Int32)
Example:
tv.ImageSize(30,30)
tv.ImageMode = true
tv.AddImage1(AppPath & "\smiley.gif")
tv.AddImage1(AppPath & "\pic.jpg")
tv.ImageIndex = 0 'smiley.gif
tv.SelectedImageIndex = 1 'pic.jpg