GridViewColumn with no cells?

开发者_运维技巧Is it possible to have 3 GridViewColumn but only 2 CellTemplate ? I want the first cell to "occupy" the 2 left columns ?

Is it possible ?

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I don't think that you can do it directly, but you can however create two regular columns, and then make the header of the first one with a line in the middle, so it would look like it's two cells.