With shell tree contrl controls, reoccupy OnTvnSelchanged selected folder path, but can only display the folder path, how do you do to show the path of the file? For help!

CodePudding user response:

The file path and then to control the display

CodePudding user response:

//DirTreeCtrl. CPP: implementation file
//
# include "stdafx. H"
# include "DirTreeCtrl. H"
# include "shlobj. H"

//CDirTreeCtrl

IMPLEMENT_DYNAMIC (CDirTreeCtrl CTreeCtrl)

CDirTreeCtrl: : CDirTreeCtrl ()
{

}

CDirTreeCtrl: : ~ CDirTreeCtrl ()
{
}


BEGIN_MESSAGE_MAP (CDirTreeCtrl CTreeCtrl)
ON_NOTIFY_REFLECT (TVN_ITEMEXPANDED OnTvnItemexpanded)
ON_WM_CREATE ()
END_MESSAGE_MAP ()

//CDirTreeCtrl message handler

Void CDirTreeCtrl: : OnTvnItemexpanded (NMHDR * pNMHDR, LRESULT * pResult)
{
LPNMTREEVIEW pNMTreeView=reinterpret_cast & lt; LPNMTREEVIEW> (pNMHDR);
//TODO: add the control notification handler code
TV_ITEM itm=pNMTreeView - & gt; ItemNew;
If (itm) state & amp; TVIS_EXPANDED)
ExpandBranch (itm) hItem);
The else
DeleteAllChild (itm) hItem);
* pResult=0;
}

Int CDirTreeCtrl: : OnCreate (LPCREATESTRUCT LPCREATESTRUCT)
{
If (CTreeCtrl: : OnCreate (lpCreateStruct)==1)
return -1;
//TODO: here to add your special creation code
The Initialize ();
return 0;
}

Void CDirTreeCtrl: : Initialize (bool clear)
{
LPITEMIDLIST itemList.
TCHAR buf [60].
Int desktopIcon;
Int mycomputerIcon;
Int ret.
If (clear)
DeleteAllItems ();
SetImageList (NULL, 0);
SHGetSpecialFolderLocation (this - & gt; M_hWnd, CSIDL_DESKTOP, & amp; ItemList);
SHGetPathFromIDList (itemList, buf);
M_desktop_path=buf;
M_img. Create (GetSystemMetrics (SM_CXSMICON), GetSystemMetrics (SM_CYSMICON), ILC_COLOR24, 50, 50);
M_img. SetBkColor (GetSysColor (COLOR_WINDOW));
CBitmap BMP.
CBitmap * old;
CBitmap * newbmp;
The CDC dc;
Dc. CreateCompatibleDC (NULL);
BMP. CreateBitmap (32,32,1,24, NULL);
Old=dc. SelectObject (& amp; BMP);
Dc. FillSolidRect (0,0,31,31, GetSysColor (COLOR_WINDOW));
Newbmp=dc. SelectObject (old);
Dc. DeleteDC ();
Ret=m_img. Add (newbmp, a COLORREF (0 x00));
DesktopIcon=m_img. Add (ExtractIcon (AfxGetApp () - & gt; M_hInstance, shell32. DLL, 34));
MycomputerIcon=m_img. Add (ExtractIcon (AfxGetApp () - & gt; M_hInstance, "shell32. DLL", 15));
M_drives_root=AddItem_Core (_T (" my computer "), TVI_ROOT, true,
MycomputerIcon mycomputerIcon);
M_desktop_root=AddItem (m_desktop_path TVI_ROOT, true, desktopIcon, desktopIcon);
}

HTREEITEM CDirTreeCtrl: : AddItem (const TCHAR * path, HTREEITEM parent,
Bool isDir, int iconEx, int iconEx2)
{
SHFILEINFO shinfo shinfo_sel;
SHGetFileInfo (path, NULL,
& Shinfo,
Sizeof (shinfo),
SHGFI_DISPLAYNAME | SHGFI_ICON | SHGFI_SMALLICON);
SHGetFileInfo (path, NULL,
& Shinfo_sel,
Sizeof (shinfo_sel),
SHGFI_DISPLAYNAME | SHGFI_ICON | SHGFI_OPENICON | SHGFI_SMALLICON);
Int icon=iconEx!=1? IconEx: m_img. Add (shinfo. HIcon);
Int iconsel=iconEx2!=1? IconEx2: m_img. Add (shinfo_sel. HIcon);
SetImageList (& amp; M_img LVSIL_NORMAL);
Return AddItem_Core (shinfo szDisplayName, parent, isDir, icon, iconsel);
}

Void CDirTreeCtrl: : DeleteAllChild (HTREEITEM itm, Boolean isEmpty)
{
HTREEITEM child;
The child=GetChildItem (itm);
While (child)
{
Int img1, img2;
If (GetChildItem (child))
DeleteAllChild (GetChildItem (child), isEmpty);
GetItemImage (child, img1, img2);
If (img2!=0 & amp; & Img2!=img1)
{
M_img. Remove (img2);
RefreshTreeImages (m_drives_root, img2);
RefreshTreeImages (m_desktop_root, img2);
}
If (img1!=0)
{
M_img. Remove (img1);
RefreshTreeImages (m_drives_root img1);
RefreshTreeImages (m_desktop_root img1);
}
Called DeleteItem (child);
SetImageList (& amp; M_img TVSIL_NORMAL);
The child=GetChildItem (itm);
}
If (isEmpty) InsertItem (_T (" "), itm);
}

Void CDirTreeCtrl: : ExpandBranch (HTREEITEM parent)
{
Bool ipads=false;
If (the parent==m_drives_root)
{
TCHAR * PTR.
DeleteAllChild (parent, false);
GetLogicalDriveStrings (255, m_drives_name);
PTR=m_drives_name;
While (* PTR)
{
Ipads=true;
AddItem (PTR, m_drives_root, true);
PTR +=_tcslen (PTR) + 1;
}
}
The else
{
Cstrings fullpath pathWildcard;
Fullpath=GetPathFromHere (fullpath, parent);
DeleteAllChild (parent, false);
PathWildcard=fullpath + _T (" *. * ");
CFileFind finder.
BOOL bWorking=finder. FindFile (pathWildcard);
While (bWorking)
{
BWorking=finder. The FindNextFile ();
If (finder. IsDirectory () & amp; & ! Finder. IsDots ())
{
Ipads=true;
HTREEITEM itm=AddItem (fullpath + finder. GetFileName (),
The parent);
InsertItem (_T (" "), itm);
}
}
BWorking=finder. FindFile (pathWildcard);
While (bWorking)
{
nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull