Specify a background style for your thumbnail text.
Note: ◼You can customize the styling of specific frames using the OnGetTextEx event ◼To make the text background expand to the width of the thumbnail, include ietxDrawTextFullWidth in ThumbnailOptionsEx
// Give Thumbnail text a solid yellow background to the width of the thumbnail ImageEnMView1.TextBackgroundStyle := bsSolid; ImageEnMView1.TextBackgroundColor := clYellow; ImageEnMView1.ThumbnailOptionsEx := ImageEnMView1.ThumbnailOptionsEx + [ietxDrawTextFullWidth];