/// <summary>
/// Opens the requested directory in the shell's file/folder browser.
/// </summary>
/// <param name="parent">The window that is currently in the foreground.</param>
/// <param name="folderPath">The folder to open.</param>
/// <remarks>
/// This UI is presented modelessly, in another process, and in the foreground.
/// Error handling and messaging (error dialogs) will be handled by the shell,
/// and these errors will not be communicated to the caller of this method.
/// </remarks>
public static void BrowseFolder(IWin32Window parent, string folderPath)
{
NativeStructs.SHELLEXECUTEINFO sei = new NativeStructs.SHELLEXECUTEINFO();
sei.cbSize = (uint)Marshal.SizeOf(typeof(NativeStructs.SHELLEXECUTEINFO));
sei.fMask = NativeConstants.SEE_MASK_NO_CONSOLE;
sei.lpVerb = "open";
sei.lpFile = folderPath;
sei.nShow = NativeConstants.SW_SHOWNORMAL;
sei.hwnd = parent.Handle;
bool bResult = NativeMethods.ShellExecuteExW(ref sei);
if (bResult)
{
if (sei.hProcess != IntPtr.Zero)
{
SafeNativeMethods.CloseHandle(sei.hProcess);
sei.hProcess = IntPtr.Zero;
}
}
else
{
NativeMethods.ThrowOnWin32Error("ShellExecuteW returned FALSE");
}
GC.KeepAlive(parent);
}
private static int ExecShellExecuteEx(IWin32Window parent, string exePath, string args, string verb, out IntPtr hProcess)
{
string dir;
try
{
dir = Path.GetDirectoryName(exePath);
}
catch (Exception)
{
dir = null;
}
NativeStructs.SHELLEXECUTEINFO sei = new NativeStructs.SHELLEXECUTEINFO();
sei.cbSize = (uint)Marshal.SizeOf(typeof(NativeStructs.SHELLEXECUTEINFO));
sei.fMask =
NativeConstants.SEE_MASK_NOCLOSEPROCESS |
NativeConstants.SEE_MASK_NO_CONSOLE |
NativeConstants.SEE_MASK_FLAG_DDEWAIT;
sei.lpVerb = verb;
sei.lpDirectory = dir;
sei.lpFile = exePath;
sei.lpParameters = args;
sei.nShow = NativeConstants.SW_SHOWNORMAL;
if (parent != null)
{
sei.hwnd = parent.Handle;
}
bool bResult = NativeMethods.ShellExecuteExW(ref sei);
hProcess = sei.hProcess;
sei.hProcess = IntPtr.Zero;
int nResult = NativeConstants.ERROR_SUCCESS;
if (!bResult)
{
nResult = Marshal.GetLastWin32Error();
}
return(nResult);
}
internal static extern bool ShellExecuteExW(ref NativeStructs.SHELLEXECUTEINFO lpExecInfo);
