preLoadImagesForButtonImage: Preload an image that can be used in the addButtonImage method.
Demo
file: addButtonImage.html
Run the
example
See the source code
DFrameAPI. preLoadImagesForButtonImage (key, directoryPath,_
normalImg, rollImg, selectedImg,
rollSelectedImg)
key
A string identifying the image.
directoryPath
String or array. The
path of the directory containing the images.
If string: directory path is relative to the path set by
dFrameFilePath. This directory path doesn't begin with a '/' as the
dFrameFilePath ends with one.
if array:
array[0]: The directory path for icons. This directory path must be relative either the location of the page ('./subDir/' or '../../styles/blue/') or relative to the server's (or disk) root directory (/serverRoot/files/dFrame/styles/blue/)
array[1]: The 'A'
keyword indicating an 'absolute' path.
In both cases the
directory path ends with a '/'
normalImg
String. The file name
of the image for the Button.
rollImg
String. The file name
of the image to be shown when the mouse is over the Button.
selectedImg
String. The file name
of the image to be shown when the Button is selected
rollSelectedImg
String. The file name of the image to be shown when the mouse is over a selected Button.
This method is to be used outside the onLoad method of dFrameAPI so that the images are set as resources of dFrameAPI and it waits for those images before launching its onLoad method.