Gets the image at the specified index.
<p>
Indexing is zero based. The image can be null.
The image in column 0 is reserved for the [+] and [-]
images of the tree, therefore getImage(0) will return null.
Return null if the index is out of range.
@param index the index of the image
@return the image at the specified index or null
Gets the image at the specified index. <p> Indexing is zero based. The image can be null. The image in column 0 is reserved for the [+] and [-] images of the tree, therefore getImage(0) will return null. Return null if the index is out of range.
@param index the index of the image @return the image at the specified index or null