void OnTooltipShow(object sender, ToolTipShowingEventArgs e)
{
var item = ContentView.GetItem(e.RowIndex);
if (item == null)
{
return;
}
var rowObject = item.RowObject;
if (rowObject == null)
{
return;
}
var columnHeader = ContentView.GetColumn(e.ColumnIndex);
if (columnHeader == null)
{
return;
}
var cellInfo = rowObject.GetType().GetField(columnHeader.AspectName);
if (cellInfo == null)
{
throw new Exception(String.Format(@"Unexpected exception that should not happen: Type {0} does not contain a field named {1}.", rowObject.GetType(), columnHeader.AspectName));
}
if (cellInfo.FieldType == typeof(string))
{
e.Text = cellInfo.GetValue(rowObject) as string;
}
else if (cellInfo.GetCustomAttribute(typeof(StoragePresenceAttribute), false) != null)
{
var items = ((Array)cellInfo.GetValue(rowObject)).Cast <object>().ToArray();
e.Text = @"[ " + String.Join(", ", items) + @" ]";
}
}
protected string GetUnderlyingObjectText(ToolTipShowingEventArgs e)
{
return(GetUnderlyingObjectText(ContentView.GetItem(e.RowIndex).RowObject, ContentView.GetColumn(e.ColumnIndex)));
}