public static extern IntPtr SHBrowseForFolder(
ref BROWSEINFO lbpi);
protected override bool RunDialog( System.IntPtr hwndOwner )
{
string m_DisplayName = "";
string sDisplay;
IntPtr ptrRet;
// Get IMalloc interface
WindowsAPI.SHGetMalloc( out ptrRet );
Type mallocType = System.Type.GetType( "IMalloc" );
IMalloc pMalloc = ( IMalloc )Marshal.GetTypedObjectForIUnknown( ptrRet, mallocType );
IntPtr pidlRoot = IntPtr.Zero;
BROWSEINFO bi = new BROWSEINFO();
bi.hwndOwner = hwndOwner;
bi.pidlRoot = pidlRoot; //TODO: Root`s selection
bi.pszDisplayName = new string( ' ', 256 );
bi.lpszTitle = Title;
bi.ulFlags = GetFlagsValue();
bi.lParam = 0;
bi.lpfn = new WindowsAPI.BrowseCallbackProc( this.HookProc );
IntPtr pidlSelected;
pidlSelected = WindowsAPI.SHBrowseForFolder( ref bi );
m_DisplayName = bi.pszDisplayName.ToString();
// if display name is whitespace then return FAIL
if( m_DisplayName.Trim() == string.Empty ) return false;
IShellFolder isf = GetDesktopFolder();
STRRET ptrDisplayName;
isf.GetDisplayNameOf( pidlSelected,
(uint)SHGNO.SHGDN_NORMAL | (uint)SHGNO.SHGDN_FORPARSING,
out ptrDisplayName );
WindowsAPI.StrRetToBSTR( ref ptrDisplayName, pidlRoot, out sDisplay );
m_sFullName = sDisplay;
if( pidlRoot != IntPtr.Zero )
pMalloc.Free( pidlRoot );
if( pidlSelected != IntPtr.Zero )
pMalloc.Free( pidlSelected );
Marshal.ReleaseComObject( isf );
Marshal.ReleaseComObject( pMalloc );
return true;
}
public static extern IntPtr SHBrowseForFolder( ref BROWSEINFO lbpi);