commctrl.h

用于查询PC机上的USB端口是否有设备挂接上

#ifdef _WIN32
#define WC_LISTVIEW         "SysListView32"
#else
#define WC_LISTVIEW         "SysListView"
#endif

// ListView styles
//
// view type styles (we only have 16 bits to use here)
#define LVS_ICON            0x0000
#define LVS_REPORT          0x0001
#define LVS_SMALLICON       0x0002
#define LVS_LIST            0x0003
#define LVS_TYPEMASK        0x0003

// shared styles
#define LVS_SINGLESEL       0x0004
#define LVS_SHOWSELALWAYS   0x0008
#define LVS_SORTASCENDING   0x0010
#define LVS_SORTDESCENDING  0x0020
#define LVS_SHAREIMAGELISTS 0x0040

#define LVS_NOLABELWRAP     0x0080
#define LVS_AUTOARRANGE     0x0100
#define LVS_EDITLABELS      0x0200

#define LVS_NOSCROLL        0x2000

/// the fields below are reserved for style specific settings.
#define LVS_TYPESTYLEMASK   0xfc00     // the mask for all these styles

// Large icon.
#define LVS_ALIGNTOP        0x0000	
#define LVS_ALIGNLEFT       0x0800
#define LVS_ALIGNMASK       0x0c00

// Report view.
#define LVS_OWNERDRAWFIXED  0x0400
#define LVS_NOCOLUMNHEADER  0x4000
#define LVS_NOSORTHEADER    0x8000

// COLORREF ListView_GetBkColor(HWND hwnd);
#define LVM_GETBKCOLOR      (LVM_FIRST + 0)
#define ListView_GetBkColor(hwnd)  \
    (COLORREF)SendMessage((hwnd), LVM_GETBKCOLOR, 0, 0L)

// BOOL ListView_SetBkColor(HWND hwnd, COLORREF clrBk);
#define LVM_SETBKCOLOR      (LVM_FIRST + 1)
#define ListView_SetBkColor(hwnd, clrBk) \
    (BOOL)SendMessage((hwnd), LVM_SETBKCOLOR, 0, (LPARAM)(COLORREF)(clrBk))

// HIMAGELIST ListView_GetImageList(HWND hwnd, int iImageList);
#define LVM_GETIMAGELIST    (LVM_FIRST + 2)
#define ListView_GetImageList(hwnd, iImageList) \
    (HIMAGELIST)SendMessage((hwnd), LVM_GETIMAGELIST, (WPARAM)(INT)(iImageList), 0L)

#define LVSIL_NORMAL	0
#define LVSIL_SMALL	1
#define LVSIL_STATE	2	

// HIMAGELIST ListView_SetImageList(HWND hwnd, HIMAGELIST himl, int iImageList);
#define LVM_SETIMAGELIST    (LVM_FIRST + 3)
#define ListView_SetImageList(hwnd, himl, iImageList) \
    (HIMAGELIST)(UINT)SendMessage((hwnd), LVM_SETIMAGELIST, (WPARAM)(iImageList), (LPARAM)(UINT)(HIMAGELIST)(himl))

// int ListView_GetItemCount(HWND hwnd);
#define LVM_GETITEMCOUNT    (LVM_FIRST + 4)
#define ListView_GetItemCount(hwnd) \
    (int)SendMessage((hwnd), LVM_GETITEMCOUNT, 0, 0L)

// ListView Item structure

#define LVIF_TEXT           0x0001  // LV_ITEM.mask flags (indicate valid fields in LV_ITEM)
#define LVIF_IMAGE          0x0002
#define LVIF_PARAM          0x0004
#define LVIF_STATE          0x0008

// State flags
#define LVIS_FOCUSED	    0x0001  // LV_ITEM.state flags
#define LVIS_SELECTED       0x0002
#define LVIS_CUT            0x0004  // LVIS_MARKED
#define LVIS_DROPHILITED    0x0008

#define LVIS_OVERLAYMASK    0x0F00  // used as ImageList overlay image indexes
#define LVIS_STATEIMAGEMASK 0xF000 // client bits for state image drawing
#define LVIS_USERMASK       LVIS_STATEIMAGEMASK  // BUGBUG: remove me.

#define INDEXTOSTATEIMAGEMASK(i) ((i) << 12)

typedef struct _LV_ITEM
{
    UINT mask;		// LVIF_ flags
    int iItem;
    int iSubItem;
    UINT state;		// LVIS_ flags
    UINT stateMask;	// LVIS_ flags (valid bits in state)
    LPSTR pszText;
    int cchTextMax;
    int iImage;
    LPARAM lParam;
} LV_ITEM;

    // Values used to cause text/image GETDISPINFO callbacks
#define LPSTR_TEXTCALLBACK      ((LPSTR)-1L)
#define I_IMAGECALLBACK         (-1)

// BOOL ListView_GetItem(HWND hwnd, LV_ITEM FAR* pitem);
#define LVM_GETITEM         (LVM_FIRST + 5)
#define ListView_GetItem(hwnd, pitem) \
    (BOOL)SendMessage((hwnd), LVM_GETITEM, 0, (LPARAM)(LV_ITEM FAR*)(pitem))

// Sets items and subitems.
//
// BOOL ListView_SetItem(HWND hwnd, const LV_ITEM FAR* pitem);
#define LVM_SETITEM         (LVM_FIRST + 6)
#define ListView_SetItem(hwnd, pitem) \
    (BOOL)SendMessage((hwnd), LVM_SETITEM, 0, (LPARAM)(const LV_ITEM FAR*)(pitem))

// int ListView_InsertItem(HWND hwnd, const LV_ITEM FAR* pitem);
#define LVM_INSERTITEM         (LVM_FIRST + 7)
#define ListView_InsertItem(hwnd, pitem)   \
    (int)SendMessage((hwnd), LVM_INSERTITEM, 0, (LPARAM)(const LV_ITEM FAR*)(pitem))

// Deletes the specified item along with all its subitems.
//
// BOOL ListView_DeleteItem(HWND hwnd, int i);
#define LVM_DELETEITEM      (LVM_FIRST + 8)
#define ListView_DeleteItem(hwnd, i) \
    (BOOL)SendMessage((hwnd), LVM_DELETEITEM, (WPARAM)(int)(i), 0L)

// BOOL ListView_DeleteAllItems(HWND hwnd);
#define LVM_DELETEALLITEMS  (LVM_FIRST + 9)
#define ListView_DeleteAllItems(hwnd) \
    (BOOL)SendMessage((hwnd), LVM_DELETEALLITEMS, 0, 0L)

// UINT ListView_GetCallbackMask(HWND hwnd);
#define LVM_GETCALLBACKMASK (LVM_FIRST + 10)
#define ListView_GetCallbackMask(hwnd) \
    (BOOL)SendMessage((hwnd), LVM_GETCALLBACKMASK, 0, 0)

// BOOL ListView_SetCallbackMask(HWND hwnd, UINT mask);
#define LVM_SETCALLBACKMASK (LVM_FIRST + 11)
#define ListView_SetCallbackMask(hwnd, mask) \
    (BOOL)SendMessage((hwnd), LVM_SETCALLBACKMASK, (WPARAM)(UINT)(mask), 0)

// ListView_GetNextItem flags (can be used in combination)
#define LVNI_ALL		0x0000
#define LVNI_FOCUSED    	0x0001  // return only focused item
#define LVNI_SELECTED   	0x0002  // return only selected items
#define LVNI_CUT     	0x0004  // return only marked items
#define LVNI_DROPHILITED	0x0008 // return only drophilited items

#define LVNI_ABOVE      	0x0100  // return item geometrically above
#define LVNI_BELOW      	0x0200  // "" below
#define LVNI_TOLEFT     	0x0400  // "" to left
#define LVNI_TORIGHT    	0x0800  // "" to right (NOTE: these four are
                                	//              mutually exclusive, but
                                	//              can be used with other LVNI's)

// int ListView_GetNextItem(HWND hwnd, int i, UINT flags);
#define LVM_GETNEXTITEM     (LVM_FIRST + 12)
#define ListView_GetNextItem(hwnd, i, flags) \
    (int)SendMessage((hwnd), LVM_GETNEXTITEM, (WPARAM)(int)(i), MAKELPARAM((flags), 0))

// ListView_FindInfo definitions
#define LVFI_PARAM      0x0001
#define LVFI_STRING     0x0002
#define LVFI_PARTIAL    0x0008
#define LVFI_WRAP       0x0020
#define LVFI_NEARESTXY  0x0040

typedef struct _LV_FINDINFO
{
    UINT flags;
    LPCSTR psz;
    LPARAM lParam;

    POINT pt;  //  only used for nearestxy
    UINT vkDirection; //  only used for nearestxy
} LV_FINDINFO;

// int ListView_FindItem(HWND hwnd, int iStart, const LV_FINDINFO FAR* plvfi);
#define LVM_FINDITEM        (LVM_FIRST + 13)
#define ListView_FindItem(hwnd, iStart, plvfi) \
    (int)SendMessage((hwnd), LVM_FINDITEM, (WPARAM)(int)(iStart), (LPARAM)(const LV_FINDINFO FAR*)(plvfi))

#define LVIR_BOUNDS     0
#define LVIR_ICON       1
#define LVIR_LABEL      2
#define LVIR_SELECTBOUNDS 3

    // Rectangle bounding all or part of item, based on LVIR_* code.  Rect is returned in view coords
    // BOOL ListView_GetItemRect(HWND hwndLV, int i, RECT FAR* prc, int code);
#define LVM_GETITEMRECT     (LVM_FIRST + 14)
#define ListView_GetItemRect(hwnd, i, prc, code) \
    ((prc)->left = (code), (BOOL)SendMessage((hwnd), LVM_GETITEMRECT, (WPARAM)(int)(i), (LPARAM)(RECT FAR*)(prc)))

    // Move top-left corner of item to (x, y), specified in view rect relative coords
    // (icon and small view only)

// BOOL ListView_SetItemPosition(HWND hwndLV, int i, int x, int y);
#define LVM_SETITEMPOSITION (LVM_FIRST + 15)
#define ListView_SetItemPosition(hwndLV, i, x, y) \
    (BOOL)SendMessage((hwndLV), LVM_SETITEMPOSITION, (WPARAM)(int)(i), MAKELPARAM((x), (y)))

// BOOL ListView_GetItemPosition(HWND hwndLV, int i, POINT FAR* ppt);
#define LVM_GETITEMPOSITION (LVM_FIRST + 16)
#define ListView_GetItemPosition(hwndLV, i, ppt) \
    (BOOL)SendMessage((hwndLV), LVM_GETITEMPOSITION, (WPARAM)(int)(i), (LPARAM)(POINT FAR*)(ppt))

    // Get column width of string
    // int ListView_GetStringWidth(HWND hwndLV, LPCSTR psz);
#define LVM_GETSTRINGWIDTH  (LVM_FIRST + 17)
#define ListView_GetStringWidth(hwndLV, psz) \
    (int)SendMessage((hwndLV), LVM_GETSTRINGWIDTH, 0, (LPARAM)(LPCSTR)(psz))

    // Hit test item.  Returns item at (x,y), or -1 if not on an item.
    // Combination of LVHT_ values *pflags, indicating where the cursor
    // is relative to edges of ListView window (above, below, right, left)
    // or whether (x, y) is over icon, label, or inside window but not on item.
    // int ListView_HitTest(HWND hwndLV, LV_HITTESTINFO FAR* pinfo);

    // ItemHitTest flag values
#define LVHT_NOWHERE        0x0001
#define LVHT_ONITEMICON     0x0002
#define LVHT_ONITEMLABEL    0x0004
#define LVHT_ONITEMSTATEICON 0x0008
#define LVHT_ONITEM         (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON)

#define LVHT_ABOVE          0x0008
#define LVHT_BELOW          0x0010
#define LVHT_TORIGHT        0x0020
#define LVHT_TOLEFT         0x0040

typedef struct _LV_HITTESTINFO
{
    POINT pt;	    // in:	client coords
    UINT flags;	    // out:	LVHT_ flags
    int iItem;	    // out:	item
} LV_HITTESTINFO;

    // int ListView_HitTest(HWND hwndLV, LV_HITTESTINFO FAR* pinfo);
#define LVM_HITTEST     (LVM_FIRST + 18)
#define ListView_HitTest(hwndLV, pinfo) \
    (int)SendMessage((hwndLV), LVM_HITTEST, 0, (LPARAM)(LV_HITTESTINFO FAR*)(pinfo))

    // Return view rectangle, relative to window
    // BOOL ListView_GetViewRect(HWND hwndLV, RECT FAR* prcVis);
    // Scroll an item into view if not wholly or partially visible
    // BOOL ListView_EnsureVisible(HWND hwndLV, int i, BOOL fPartialOK);
#define LVM_ENSUREVISIBLE   (LVM_FIRST + 19)
#define ListView_EnsureVisible(hwndLV, i, fPartialOK) \
    (BOOL)SendMessage((hwndLV), LVM_ENSUREVISIBLE, (WPARAM)(int)(i), MAKELPARAM((fPartialOK), 0))

    // Scroll listview -- offsets origin of view rectangle by dx, dy
    // BOOL ListView_Scroll(HWND hwndLV, int dx, int dy);
#define LVM_SCROLL          (LVM_FIRST + 20)
#define ListView_Scroll(hwndLV, dx, dy) \
    (BOOL)SendMessage((hwndLV), LVM_SCROLL, (WPARAM)(int)dx, (LPARAM)(int)dy)

    // Force eventual redraw of range of items (redraw doesn't occur
    // until WM_PAINT processed -- call UpdateWindow() after to redraw right away)
    // BOOL ListView_RedrawItems(HWND hwndLV, int iFirst, int iLast);
#define LVM_REDRAWITEMS     (LVM_FIRST + 21)
#define ListView_RedrawItems(hwndLV, iFirst, iLast) \
    (BOOL)SendMessage((hwndLV), LVM_REDRAWITEMS, (WPARAM)(int)iFirst, (LPARAM)(int)iLast)

    // Arrange style
#define LVA_DEFAULT         0x0000
#define LVA_ALIGNLEFT       0x0001
#define LVA_ALIGNTOP        0x0002
#define LVA_SNAPTOGRID      0x0005

    // Arrange icons according to LVA_* code
    // BOOL ListView_Arrange(HWND hwndLV, UINT code);
#define LVM_ARRANGE         (LVM_FIRST + 22)
#define ListView_Arrange(hwndLV, code) \
    (BOOL)SendMessage((hwndLV), LVM_ARRANGE, (WPARAM)(UINT)(code), 0L)

    // Begin editing the label of a control.  Implicitly selects and focuses
    // item.  i == -1 to cancel.
    // HWND ListView_EditLabel(HWND hwndLV, int i);
#define LVM_EDITLABEL       (LVM_FIRST + 23)
#define ListView_EditLabel(hwndLV, i) \
    (HWND)SendMessage((hwndLV), LVM_EDITLABEL, (WPARAM)(int)(i), 0L)

    // Return edit control being used for editing.  Subclass OK, but
    // don't destroy.  Will be destroyed when editing is finished.
    //HWND ListView_GetEditControl(HWND hwndLV);
#define LVM_GETEDITCONTROL  (LVM_FIRST + 24)
#define ListView_GetEditControl(hwndLV) \
    (HWND)SendMessage((hwndLV), LVM_GETEDITCONTROL, 0, 0L)

typedef struct _LV_COLUMN
{
    UINT mask;
    int fmt;
    int cx;
    LPSTR pszText;
    int cchTextMax;
    int iSubItem;       // subitem to display
} LV_COLUMN;

// LV_COLUMN mask values
#define LVCF_FMT        0x0001
#define LVCF_WIDTH      0x0002
#define LVCF_TEXT       0x0004
#define LVCF_SUBITEM    0x0008

// Column format codes
#define LVCFMT_LEFT     0
#define LVCFMT_RIGHT    1
#define LVCFMT_CENTER   2
#define LVCFMT_JUSTIFYMASK 0x0003

// Set/Query column info
// BOOL ListView_GetColumn(HWND hwndLV, int iCol, LV_COLUMN FAR* pcol);
#define LVM_GETCOLUMN       (LVM_FIRST + 25)
#define ListView_GetColumn(hwnd, iCol, pcol) \
    (BOOL)SendMessage((hwnd), LVM_GETCOLUMN, (WPARAM)(int)(iCol), (LPARAM)(LV_COLUMN FAR*)(pcol))

// BOOL ListView_SetColumn(HWND hwndLV, int iCol, LV_COLUMN FAR* pcol);
#define LVM_SETCOLUMN       (LVM_FIRST + 26)
#define ListView_SetColumn(hwnd, iCol, pcol) \
    (BOOL)SendMessage((hwnd), LVM_SETCOLUMN, (WPARAM)(int)(iCol), (LPARAM)(const LV_COLUMN FAR*)(pcol))

// insert/delete report view column
// int ListView_InsertColumn(HWND hwndLV, int iCol, const LV_COLUMN FAR* pcol);
#define LVM_INSERTCOLUMN    (LVM_FIRST + 27)
#define ListView_InsertColumn(hwnd, iCol, pcol) \
    (int)SendMessage((hwnd), LVM_INSERTCOLUMN, (WPARAM)(int)(iCol), (LPARAM)(const LV_COLUMN FAR*)(pcol))

// BOOL ListView_DeleteColumn(HWND hwndLV, int iCol);
#define LVM_DELETECOLUMN    (LVM_FIRST + 28)
#define ListView_DeleteColumn(hwnd, iCol) \
    (BOOL)SendMessage((hwnd), LVM_DELETECOLUMN, (WPARAM)(int)(iCol), 0)

#define LVM_GETCOLUMNWIDTH  (LVM_FIRST + 29)
#define ListView_GetColumnWidth(hwnd, iCol) \
    (int)SendMessage((hwnd), LVM_GETCOLUMNWIDTH, (WPARAM)(int)(iCol), 0)

#define     LVSCW_AUTOSIZE              -1
#define     LVSCW_AUTOSIZE_USEHEADER    -2
#define LVM_SETCOLUMNWIDTH  (LVM_FIRST + 30)
#define ListView_SetColumnWidth(hwnd, iCol, cx) \
    (BOOL)SendMessage((hwnd), LVM_SETCOLUMNWIDTH, (WPARAM)(int)(iCol), MAKELPARAM((cx), 0))

// HIMAGELIST ListView_Cre