public bool ShowDialog(Window owner)
{
var instanceNonPublic = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
var vistaDialog = ofd.GetType().GetMethod("CreateVistaDialog", instanceNonPublic).Invoke(ofd, null);
ofd.GetType().GetMethod("OnBeforeVistaDialog", instanceNonPublic).Invoke(ofd, new[] { vistaDialog });
var FileDialogNative = Assembly.GetAssembly(typeof(Forms.OpenFileDialog)).GetType("System.Windows.Forms.FileDialogNative");
var IFileDialog = FileDialogNative.GetNestedType("IFileDialog", BindingFlags.NonPublic);
var options = (uint)typeof(Forms.FileDialog).GetMethod("GetOptions", instanceNonPublic).Invoke(ofd, null);
options |= (uint)FileDialogNative.GetNestedType("FOS", BindingFlags.NonPublic).GetField("FOS_PICKFOLDERS").GetValue(null);
IFileDialog.GetMethod("SetOptions", instanceNonPublic).Invoke(vistaDialog, new object[] { options });
var VistaDialogEvents = typeof(Forms.FileDialog).GetNestedType("VistaDialogEvents", BindingFlags.NonPublic);
var events = Activator.CreateInstance(VistaDialogEvents, ofd);
var adviseParams = new object[] { events, (uint)0 };
IFileDialog.GetMethod("Advise", instanceNonPublic).Invoke(vistaDialog, adviseParams);
var adviseResult = (uint)adviseParams[1];
bool showResult;
try
{
var handle = owner == null ? IntPtr.Zero : new System.Windows.Interop.WindowInteropHelper(owner).Handle;
showResult = 0 == (int)IFileDialog.GetMethod("Show", instanceNonPublic).Invoke(vistaDialog, new object[] { handle });
}
finally
{
IFileDialog.GetMethod("Unadvise", instanceNonPublic).Invoke(vistaDialog, new object[] { adviseResult });
GC.KeepAlive(events);
}
return(showResult);
}
public static string[] Show(Form parent)
{
if (Environment.OSVersion.Version.Major >= 6){ // vista and newer
try{
OpenFileDialog dialog = new OpenFileDialog{
Filter = Lang.Get["DialogFilterFolders"]+FilterFolders,
CheckFileExists = false,
CheckPathExists = true,
DereferenceLinks = true,
AddExtension = false,
Multiselect = true,
AutoUpgradeEnabled = true
};
Assembly assembly = LoadAssembly("System.Windows.Forms");
Type ifdType = assembly.GetType("System.Windows.Forms.FileDialogNative").GetNestedType("IFileDialog", BindingFlags.NonPublic);
Type fdType = typeof(FileDialog);
Type dialogType = dialog.GetType();
const BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
var vistaDialog = dialogType.GetMethod("CreateVistaDialog", flags).Invoke(dialog, new object[0]);
dialogType.GetMethod("OnBeforeVistaDialog", flags).Invoke(dialog, new object[]{ vistaDialog });
uint opts = (uint)fdType.GetMethod("GetOptions", flags).Invoke(dialog, new object[0]);
ifdType.GetMethod("SetOptions", flags).Invoke(vistaDialog, new object[]{ opts | 32u }); // 32u = FOS_PICKFOLDERS
object events = fdType.GetNestedType("VistaDialogEvents", flags).GetConstructors()[0].Invoke(new object[]{ dialog });
object[] parameters = { events, (uint)0 };
ifdType.GetMethod("Advise").Invoke(vistaDialog, parameters);
uint id = (uint)parameters[1];
try{
ifdType.GetMethod("Show").Invoke(vistaDialog, new object[]{ parent.Handle });
}finally{
ifdType.GetMethod("Unadvise").Invoke(vistaDialog, new object[]{ id });
GC.KeepAlive(events);
}
return dialog.FileNames;
}catch(Exception e){
Debug.Write(e.ToString());
}
}
var oldDialog = new FolderBrowserDialog{ ShowNewFolderButton = false };
return oldDialog.ShowDialog(parent) == DialogResult.OK ? new string[]{ oldDialog.SelectedPath } : new string[0];
}
