//UPGRADE_ISSUE: Interface 'java.awt.image.WritableRenderedImage' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtimageWritableRenderedImage_3"' public virtual void tileUpdate(WritableRenderedImage source, int tileX, int tileY, bool willBeWritable) { updateImage(); }