Exemplo n.º 1
0
        private void SetNativeDialogProperties(NativeFileOpenDialog nativeFileOpenDialog)
        {
            //Set Title
            if (!string.IsNullOrEmpty(m_Title))
            {
                nativeFileOpenDialog.SetTitle(m_Title);
            }

            //Set Folder
            if (!string.IsNullOrEmpty(m_FolderPath))
            {
                if (System.IO.Directory.Exists(m_FolderPath))
                {
                    nativeFileOpenDialog.SetFolder(CreateShellItemFromParsingName(m_FolderPath));
                }
                else
                {
                    string parent = System.IO.Path.GetDirectoryName(m_FolderPath);
                    if (parent != null && System.IO.Directory.Exists(parent))
                    {
                        string folder = System.IO.Path.GetFileName(m_FolderPath);
                        nativeFileOpenDialog.SetFolder(CreateShellItemFromParsingName(parent));
                        nativeFileOpenDialog.SetFileName(folder);
                    }
                }
            }

            //Apply option bitflags
            nativeFileOpenDialog.SetOptions(GetNativeDialogFlags());
        }
Exemplo n.º 2
0
        public DialogResult ShowDialog()
        {
            NativeFileOpenDialog dialog = null;

            try
            {
                // If the caller did not specify a starting path, or set it to null,
                // it is not healthy as it causes SHCreateItemFromParsingName to
                // throw E_INVALIDARG (0x80070057). Setting it to an empty string.
                //
                if (SelectedPath == null)
                {
                    SelectedPath = string.Empty;
                }

                dialog = new NativeFileOpenDialog();

                dialog.SetTitle(Title);

                object shellItem;
                // IShellItem GUID
                Guid guid    = new Guid("43826D1E-E718-42EE-BC55-A1E261C37BFE");
                int  hresult = SHCreateItemFromParsingName(SelectedPath, IntPtr.Zero, ref guid, out shellItem);
                if ((uint)hresult != (uint)HRESULT.S_OK)
                {
                    throw Marshal.GetExceptionForHR(hresult);
                }
                dialog.SetFolder((IShellItem)shellItem);

                dialog.SetOptions(FOS.FOS_PICKFOLDERS | FOS.FOS_FORCEFILESYSTEM | FOS.FOS_FILEMUSTEXIST);

                IntPtr hWnd = new WindowInteropHelper(Owner).Handle;
                hresult = dialog.Show(hWnd);
                if (hresult < 0)
                {
                    if ((uint)hresult == (uint)HRESULT.E_CANCELLED)
                    {
                        return(DialogResult.Cancel);
                    }
                    throw Marshal.GetExceptionForHR(hresult);
                }

                string     path;
                IShellItem item;
                dialog.GetResult(out item);
                item.GetDisplayName(SIGDN.SIGDN_FILESYSPATH, out path);
                SelectedPath = path;

                return(DialogResult.OK);
            }
            finally
            {
                if (dialog != null)
                {
                    Marshal.FinalReleaseComObject(dialog);
                }
            }
        }
Exemplo n.º 3
0
        public DialogResult ShowDialog()
        {
            NativeFileOpenDialog dialog = null;

            try
            {
                // If the caller did not specify a starting path, or set it to null,
                // it is not healthy as it causes SHCreateItemFromParsingName to 
                // throw E_INVALIDARG (0x80070057). Setting it to an empty string.
                // 
                if (SelectedPath == null)
                    SelectedPath = string.Empty;

                dialog = new NativeFileOpenDialog();

                dialog.SetTitle(Title);

                object shellItem;
                // IShellItem GUID
                Guid guid = new Guid("43826D1E-E718-42EE-BC55-A1E261C37BFE");
                int hresult = SHCreateItemFromParsingName(SelectedPath, IntPtr.Zero, ref guid, out shellItem);
                if ((uint)hresult != (uint)HRESULT.S_OK)
                    throw Marshal.GetExceptionForHR(hresult);
                dialog.SetFolder((IShellItem)shellItem);

                dialog.SetOptions(FOS.FOS_PICKFOLDERS | FOS.FOS_FORCEFILESYSTEM | FOS.FOS_FILEMUSTEXIST);

                IntPtr hWnd = new WindowInteropHelper(Owner).Handle;
                hresult = dialog.Show(hWnd);
                if (hresult < 0)
                {
                    if ((uint)hresult == (uint)HRESULT.E_CANCELLED)
                        return DialogResult.Cancel;
                    throw Marshal.GetExceptionForHR(hresult);
                }

                string path;
                IShellItem item;
                dialog.GetResult(out item);
                item.GetDisplayName(SIGDN.SIGDN_FILESYSPATH, out path);
                SelectedPath = path;

                return DialogResult.OK;
            }
            finally 
            {
                if (dialog != null)
                    Marshal.FinalReleaseComObject(dialog);
            }
        }