/*
* Combo box definitions
*/
typedef struct {
DWORD dwStyle;
DWORD dwState;
HWND hWndEdit;
HWND hWndLBox;
WORD LBoxTop;
BOOL DropDownVisible;
short LastSel;
RECT RectEdit;
RECT RectButton;
BOOL bRedrawFlag;
} HEADCOMBO,*LPHEADCOMBO;