ShowContainedBlocksOnly
void ShowContainedBlocksOnly(bool show);
fCharacterView->ShowContainedBlocksOnly(show);
fUnicodeBlockView->ShowContainedBlocksOnly(show);
fCharacterView->ShowContainedBlocksOnly(item->IsMarked());
fUnicodeBlockView->ShowContainedBlocksOnly(item->IsMarked());
void ShowContainedBlocksOnly(bool show);