LV_ITEM

The LV_ITEM structure specifies or receives the attributes of a list view item.

typedef struct _LV_ITEM {

UINT mask;

int iItem;

int iSubItem;

UINT state;

UINT stateMask;

LPTSTR pszText;

int cchTextMax;

int iImage; // index of the list view item's icon

LPARAM lParam; // 32-bit value to associate with item

} LV_ITEM;

Members

mask

A set of bit flags that specify attributes of this data structure or of an operation that is using this structure.

The following bit flags specify the members of the LV_ITEM structure that contain valid data or need to be filled in. One or more of these bit flags may be set:

Value	Meaning
LVIF_TEXT	The pszText member is valid or needs to be filled in.
LVIF_IMAGE	The iImage member is valid or needs to be filled in.
LVIF_PARAM	The lParam member is valid or needs to be filled in.
LVIF_STATE	The state member is valid or needs to be filled in..

The following bit flag is used with the LVN_GETDISPINFO notification message:

Value	Meaning
LVIF_DI_SETITEM	The operating system should store the requested list item information, and not ask for it again.

iItem

Specifies the zero-based index of the item to which this structure refers.

iSubItem

Specifies the one-based index of the subitem to which this structure refers, or zero if this structure refers to an item rather than a subitem.

state

Specifies the current state of the item if the item's state is being retrieved, or the new state if the item's state is being set. The stateMask member specifies the bits of the state member that are valid. This member can be any valid combination of state values. For a list of item states, see List View Item States.

stateMask

Specifies the bits of the state member that are valid.

pszText

Pointer to a null-terminated string that contains the item text if the structure specifies item attributes. If this member is the LPSTR_TEXTCALLBACK value, the item is a callback item. Do not set the pszText member to LPSTR_TEXTCALLBACK if the list view control has LVS_SORTASCENDING or LVS_SORTDESCENDING style.

If the structure is receiving item attributes, this member is the pointer to the buffer that receives the item text.

cchTextMax

Size of the buffer pointed to by the pszText member if the structure is receiving item attributes. If the structure specifies item attributes, this member is ignored.

iImage

Index of the list view item's icon in the icon and small icon image lists.

If this member is the I_IMAGECALLBACK value, the parent window is responsible for storing the index. In this case, the list view control sends the parent an LVN_GETDISPINFO notification message to get the index when it needs to display the image.

lParam

A 32-bit value to associate with the item. If you use the LVM_SORTITEMS message, the list view control passes this value to the application-defined comparison function. You can also use the LVM_FINDITEM message to search a list view control for an item with a specified lParam value.

Remarks

The LV_ITEM structure is used with a number of messages, including LVM_GETITEM, LVM_SETITEM, LVM_INSERTITEM, and LVM_DELETEITEM.

See Also

LVM_DELETEITEM, LVM_GETITEM, LVM_INSERTITEM, LVM_SETITEM

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