private void SetPropertiesFromDialogResult(NativeFolderBrowserDialog dialog)
{
dialog.GetResults(out IShellItemArray resultsArray);
DirectoryNames.Clear();
resultsArray.GetCount(out uint count);
for (uint i = 0; i < count; i++)
{
resultsArray.GetItemAt(i, out IShellItem result);
HResult hr = result.GetDisplayName(NativeMethods.SIGDN.SIGDN_DESKTOPABSOLUTEPARSING, out IntPtr ppszName);
if (hr == HResult.Ok && ppszName != IntPtr.Zero)
{
DirectoryNames.Add(Marshal.PtrToStringAuto(ppszName));
}
Marshal.FreeCoTaskMem(ppszName);
}
if (DirectoryNames.Count > 0)
{
DirectoryName = DirectoryNames[0];
}
}
public DialogResult ShowDialog()
{
DialogResult result;
// Windows Vista is version 6.0
if (Environment.OSVersion.Platform == PlatformID.Win32NT &&
Environment.OSVersion.Version >= new Version(6, 0))
{
using var d = new VistaFolderBrowserDialog { InitialDirectory = InitialDirectory, MultiSelect = true };
if (d.ShowDialog() == DialogResult.OK)
{
DirectoryName = d.DirectoryName;
DirectoryNames.Clear();
foreach (string dir in d.DirectoryNames)
{
DirectoryNames.Add(dir);
}
result = DialogResult.OK;
}
else
{
result = DialogResult.Cancel;
}
}
else
{
// Fallback for pre-Vista, probably won't ever be hit seeing as we require Windows 7 or above,
// and even if we went back to .NET 4.6 we would still require Vista. But hey.
using var d = new FolderBrowserDialog { SelectedPath = InitialDirectory, ShowNewFolderButton = true };
if (d.ShowDialog() == DialogResult.OK)
{
DirectoryName = d.SelectedPath;
DirectoryNames.Clear();
DirectoryNames.Add(d.SelectedPath);
result = DialogResult.OK;
}
else
{
result = DialogResult.Cancel;
}
}
return(result);
}
private void clearPaths()
{
Paths.Clear();
DirectoryNames.Clear();
}
