// Change the ListItem Height
// This method will work with both the ListView and ObjectListView. 
// Information was taken from: https://stackoverflow.com/questions/6563863/c-sharp-change-listview-items-rows-height

private void SetHeight(ListView listView, int height) {
    ImageList imgList = new ImageList();
    imgList.ImageSize = new Size(1, height);
    listView.SmallImageList = imgList;
}

SetHeight(lvConnections, 25);