/**
* Sets the receiver's image at a column.
*
* @param index the column index
* @param image the new image
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setImage(final int index, final Image image) {
checkWidget();
if (image != null && image.isDisposed()) {
error(SWT.ERROR_INVALID_ARGUMENT);
}
int count = Math.max(1, parent.getColumnCount());
if (index >= 0 && index < count) {
ensureData(index, count);
if (!equals(data[index].image, image)) {
parent.updateColumnImageCount(index, data[index].image, image);
data[index].image = image;
parent.updateItemImageSize(image);
markCached();
if (parent.getColumnCount() == 0) {
parent.updateScrollBars();
}
parent.redraw();
}
}
}
