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Called to calculate the size, in pixels, of the list box control in the popup menu tracked by the built-in button. If the CSize( -1, -1 ) value is returned, then the grid cell should compute required size. Otherwise, the grid class is responsible for the popup list box size.

virtualCSize OnGridCellPopupListBoxMeasureTrackSize(
   CExtPopupInplaceListBox & wndListBox,
   CExtGridCell::TrackCellStateInfo_t & _tcsi


Reference to the popup list box window.
Reference to the helper structure that encapsulates information about the built-in button which drops down a popup menu with a list box.

See Also

CExtGridWnd Overview | Class Members | Hierarchy Chart