[]
Gets or sets how text should be trimmed when it overflows the size of the header cells in this row/column.
[TypeConverter(typeof(NullableObjectConverter<TextTrimming>))]
public TextTrimming? HeaderTextTrimming { get; set; }
<TypeConverter(GetType(NullableObjectConverter(Of TextTrimming)))>
Public Property HeaderTextTrimming As TextTrimming?