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Adam · Guest

Hi all,

Using BCB6 cannot TListView seems to not display checkboxes
(ListView1->Checkboxes=true) and subitem images
(ListView1->Items->Item[x]->SubItemImages[y]=z) simultanously. Is there any
particular reason why it doesn't do that? SubItemImages are supposed to be
displayed as a part of SubItems therefore the do not interfere with
checkboxes located on the very left side of each row (Item) of the ListView.

How can I show images in subitems cell and have checkboxes visible too?

IBM T40/Win2000/Borland C++ Builder 6 Enterprise

Thanks
AV

Damon Chandler (TeamB) · Guest

Hi Adam,
IIRC, the TListView class doesn't handle the LVN_GETDISPINFO message
correctly, which causes the checkboxes to disappear whenever you specify
a subitem's image. To workaround this, don't use the SubItemImages[]
property; rather, use the following approach...

// ensure that the necessary styles are set
LONG flags = 0;
ListView1->Perform(LVM_GETEXTENDEDLISTVIEWSTYLE, 0, flags);
flags |= LVS_EX_SUBITEMIMAGES | LVS_EX_CHECKBOXES;
ListView1->Perform(LVM_SETEXTENDEDLISTVIEWSTYLE, 0, flags);

// specify an image for a subitem
LV_ITEM lvi;
ZeroMemory(&lvi, sizeof(LV_ITEM));
lvi.mask = LVIF_IMAGE;
lvi.iItem = 0; // row index
lvi.iSubItem = 1; // column index
lvi.iImage = 2; // image index (SmallImages)
ListView_SetItem(ListView1->Handle, &lvi);

Good luck,
--
Damon (TeamB)
C++Builder Developer's Journal
http://bcbjournal.org
http://caq.bcbjournal.org

Adam wrote: