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CComboBox::GetDroppedWidth 

Call this function to retrieve the minimum allowable width, in pixels, of the list box of a combo box.


int GetDroppedWidth( ) const;

If successful, the minimum allowable width, in pixels; otherwise, CB_ERR.

This function only applies to combo boxes with the CBS_DROPDOWN or CBS_DROPDOWNLIST style.

By default, the minimum allowable width of the drop-down list box is 0. The minimum allowable width can be set by calling SetDroppedWidth. When the list-box portion of the combo box is displayed, its width is the larger of the minimum allowable width or the combo box width.

See the example for SetDroppedWidth.

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