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]);
}
/// <summary>
/// Show a dialog which prompts the user to pick a PDF file to import
/// </summary>
/// <returns></returns>
public string OpenFileDialog()
{
OpenFileDialog dlg = new OpenFileDialog
{
DefaultExt = ".pdf",
Filter = "PDF files (*.pdf)|*.pdf|All files (*.*)|*.*",
CheckFileExists = true,
};
bool res = (bool)dlg.GetType()
.GetMethod("RunDialog", BindingFlags.NonPublic | BindingFlags.Instance)
.Invoke(dlg, new object[] { Svc.SM.UI.ElementWdw.Handle });
return(res //dlg.ShowDialog(this).GetValueOrDefault(false)
? dlg.FileName
: null);
}
internal DialogResult ShowDialogExt(OpenFileDialog fdlg, IWin32Window owner)
{
DialogResult returnDialogResult = DialogResult.Cancel;
if (this.IsDisposed)
{
return(returnDialogResult);
}
if (owner == null || owner.Handle == IntPtr.Zero)
{
WindowWrapper wr = new WindowWrapper(System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle);
owner = wr;
}
OriginalCtrlSize = this.Size;
MSDialog = fdlg;
_dlgWrapper = new WholeDialogWrapper(this);
try
{
System.Reflection.PropertyInfo AutoUpgradeInfo = MSDialog.GetType().GetProperty("AutoUpgradeEnabled");
if (AutoUpgradeInfo != null)
{
AutoUpgradeInfo.SetValue(MSDialog, false, null);
}
returnDialogResult = _MSdialog.ShowDialog(owner);
}
// Sometimes if you open a animated .gif on the preview and the Form is closed, .Net class throw an exception
// Lets ignore this exception and keep closing the form.
catch (ObjectDisposedException)
{
}
catch (Exception ex)
{
MessageBox.Show("unable to get the modal dialog handle", ex.Message);
}
return(returnDialogResult);
}
public bool ShowDialog(IntPtr hWndOwner)
{
if (Environment.OSVersion.Version.Major >= 6) // Vista/Win7/Win8/Win10
{
name_string = "System.Windows.Forms";
assembly = null;
AssemblyName[] referencedAssemblies = Assembly.GetExecutingAssembly().GetReferencedAssemblies();
foreach (AssemblyName assemblyName in referencedAssemblies)
{
if (assemblyName.FullName.StartsWith(name_string))
{
assembly = Assembly.Load(assemblyName);
break;
}
}
Type typeIFileDialog = GetType("FileDialogNative.IFileDialog");
object dialog = Call(OpenFileDir.GetType(), OpenFileDir, "CreateVistaDialog");
Call(OpenFileDir.GetType(), OpenFileDir, "OnBeforeVistaDialog", dialog);
uint options = (uint)Call(typeof(System.Windows.Forms.FileDialog), OpenFileDir, "GetOptions");
options = options | (uint)GetEnum("FileDialogNative.FOS", "FOS_PICKFOLDERS");
Call(typeIFileDialog, dialog, "SetOptions", options);
object pFileDialogEvent = New("FileDialog.VistaDialogEvents", OpenFileDir);
uint num_parms = 0;
object[] parameters = new object[] { pFileDialogEvent, num_parms };
Call(typeIFileDialog, dialog, "Advise", parameters);
num_parms = (uint)parameters[1];
try
{
// show the dialog
int count = (int)Call(typeIFileDialog, dialog, "Show", hWndOwner);
return(count == 0);
}
finally
{
// remove event handler
Call(typeIFileDialog, dialog, "Unadvise", num_parms);
GC.KeepAlive(pFileDialogEvent);
}
}
else // XP and earlier
{
FolderBrowserDialog FolderBrowser = new FolderBrowserDialog();
FolderBrowser.Description = this.Title;
FolderBrowser.SelectedPath = this.InitialDirectory;
FolderBrowser.ShowNewFolderButton = false;
DialogResult dialog_result = FolderBrowser.ShowDialog();
if (dialog_result == DialogResult.OK)
{
OpenFileDir.FileName = FolderBrowser.SelectedPath;
return(true);
}
}
return(false);
}
