//
// Open the Visual Studio native dialog for selecting a directory
//
public static string BrowserFolderDialog(IntPtr owner, string title, string initialDirectory)
{
IVsUIShell shell = Package.Instance.UIShell;
VSBROWSEINFOW[] browseInfo = new VSBROWSEINFOW[1];
browseInfo[0].lStructSize = (uint)Marshal.SizeOf(typeof(VSBROWSEINFOW));
browseInfo[0].pwzInitialDir = initialDirectory;
browseInfo[0].pwzDlgTitle = title;
browseInfo[0].hwndOwner = owner;
browseInfo[0].nMaxDirName = 260;
IntPtr pDirName = Marshal.AllocCoTaskMem(520);
browseInfo[0].pwzDirName = pDirName;
try
{
int hr = shell.GetDirectoryViaBrowseDlg(browseInfo);
if (hr == VSConstants.OLE_E_PROMPTSAVECANCELLED)
{
return(string.Empty);
}
ErrorHandler.ThrowOnFailure(hr);
return(Marshal.PtrToStringAuto(browseInfo[0].pwzDirName));
}
finally
{
if (pDirName != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pDirName);
}
}
}
public static String BrowseForDirectory(IntPtr owner, string initialDirectory = null, string title = null)
{
IVsUIShell uiShell = (IVsUIShell)Package.GetGlobalService(typeof(SVsUIShell));
if (null == uiShell)
{
using (var ofd = new FolderBrowserDialog()) {
ofd.RootFolder = Environment.SpecialFolder.Desktop;
ofd.SelectedPath = initialDirectory;
ofd.ShowNewFolderButton = false;
DialogResult result;
if (owner == IntPtr.Zero)
{
result = ofd.ShowDialog();
}
else
{
result = ofd.ShowDialog(NativeWindow.FromHandle(owner));
}
if (result == DialogResult.OK)
{
return(ofd.SelectedPath);
}
else
{
return(null);
}
}
}
if (owner == IntPtr.Zero)
{
ErrorHandler.ThrowOnFailure(uiShell.GetDialogOwnerHwnd(out owner));
}
VSBROWSEINFOW[] browseInfo = new VSBROWSEINFOW[1];
browseInfo[0].lStructSize = (uint)Marshal.SizeOf(typeof(VSBROWSEINFOW));
browseInfo[0].pwzInitialDir = initialDirectory;
browseInfo[0].pwzDlgTitle = title;
browseInfo[0].hwndOwner = owner;
browseInfo[0].nMaxDirName = 260;
IntPtr pDirName = IntPtr.Zero;
try {
browseInfo[0].pwzDirName = pDirName = Marshal.AllocCoTaskMem(520);
int hr = uiShell.GetDirectoryViaBrowseDlg(browseInfo);
if (hr == VSConstants.OLE_E_PROMPTSAVECANCELLED)
{
return(null);
}
ErrorHandler.ThrowOnFailure(hr);
return(Marshal.PtrToStringAuto(browseInfo[0].pwzDirName));
}
finally {
if (pDirName != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pDirName);
}
}
}
/// <summary>
/// Executes Add Search Path menu command.
/// </summary>
internal int AddSearchPath()
{
// Get a reference to the UIShell.
IVsUIShell uiShell = GetService(typeof(SVsUIShell)) as IVsUIShell;
if (null == uiShell)
{
return(VSConstants.S_FALSE);
}
//Create a fill in a structure that defines Browse for folder dialog
VSBROWSEINFOW[] browseInfo = new VSBROWSEINFOW[1];
//Dialog title
browseInfo[0].pwzDlgTitle = DynamicProjectSR.GetString(DynamicProjectSR.SelectFolderForSearchPath);
//Initial directory - project directory
browseInfo[0].pwzInitialDir = _projectDir;
//Parent window
uiShell.GetDialogOwnerHwnd(out browseInfo[0].hwndOwner);
//Max path length
browseInfo[0].nMaxDirName = NativeMethods.MAX_PATH;
//This struct size
browseInfo[0].lStructSize = (uint)Marshal.SizeOf(typeof(VSBROWSEINFOW));
//Memory to write selected directory to.
//Note: this one allocates unmanaged memory, which must be freed later
IntPtr pDirName = Marshal.AllocCoTaskMem(NativeMethods.MAX_PATH);
browseInfo[0].pwzDirName = pDirName;
try {
//Show the dialog
int hr = uiShell.GetDirectoryViaBrowseDlg(browseInfo);
if (hr == VSConstants.OLE_E_PROMPTSAVECANCELLED)
{
//User cancelled the dialog
return(VSConstants.S_OK);
}
//Check for any failures
ErrorHandler.ThrowOnFailure(hr);
//Get selected directory
string dirName = Marshal.PtrToStringAuto(browseInfo[0].pwzDirName);
AddSearchPathEntry(dirName);
} finally {
//Free allocated unmanaged memory
if (pDirName != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pDirName);
}
}
return(VSConstants.S_OK);
}
