void UpdateFontMetrics( );?
Actualizes the average height and width of the standard-style font.
When you change the font for the standard style, the row heights and column widths will grow or shrink proportionally with the font size. If you need to know the new row heights and column widths immediately after changing the font size, you should call this method.
CGXGridCore::GetFontHeight CGXGridCore::GetFontWidth CGXGridCore::StandardStyle
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