LoadImage
- loads images into ImageList if it is not already present there and returns it index
Use LoadImage each time you need to get an ImageList index. Functions perform a check if an image is already loaded into the list and loads it if it is not so. If image is already present in the list function only returns it index.
ImageSize: Integer
- size of image (width and height). Use only 12 or 16 or 24 values.
ImageName: String;
- name of image resource to load
Images_12
- ImageList with 12 x 12 images
Images_16
- ImageList with 16 x 16 images
Images_24
- ImageList with 24 x 24 images
IDEImages
- function which returns an instance of IDEImages interface class
Use IDEImages when you need to request some image which IDE knows.

IDEImages
has 3 imagelists (number in the name means imagelist width and height): Images_12, Images_16, Images_24

To get ImageList index use method LoadImage.