public DialogResult ShowDialog(IWin32Window owner)
{
InitData initdata = new InitData(this, owner.Handle);
Win32.BROWSEINFO bi = new Win32.BROWSEINFO
{
iImage = 0,
hwndOwner = owner.Handle
};
if (Win32.SHGetSpecialFolderLocation(owner.Handle, (int)RootFolder, ref bi.pidlRoot) != 0)
{
bi.pidlRoot = IntPtr.Zero;
}
bi.lpszTitle = "";
bi.ulFlags = Win32.BIF_RETURNONLYFSDIRS; // do NOT use BIF_NEWDIALOGSTYLE or BIF_STATUSTEXT
if (ShowEditbox)
{
bi.ulFlags |= Win32.BIF_EDITBOX;
}
if (!ShowNewFolderButton)
{
bi.ulFlags |= Win32.BIF_NONEWFOLDERBUTTON;
}
bi.lpfn = _browseCallbackHandler;
// Initialization data, used in _browseCallbackHandler
IntPtr hInit = Marshal.AllocHGlobal(Marshal.SizeOf(initdata));
Marshal.StructureToPtr(initdata, hInit, true);
bi.lParam = hInit;
IntPtr pidlSelectedPath = IntPtr.Zero;
try
{
pidlSelectedPath = Win32.SHBrowseForFolder(ref bi);
StringBuilder sb = new StringBuilder(256);
if (Win32.SHGetPathFromIDList(pidlSelectedPath, sb))
{
SelectedPath = sb.ToString();
return(DialogResult.OK);
}
}
finally
{
// Caller is responsible for freeing this memory.
Marshal.FreeCoTaskMem(pidlSelectedPath);
}
return(DialogResult.Cancel);
}
public DialogResult ShowDialog(IWin32Window owner)
{
InitData initdata = new InitData(this, owner.Handle);
Win32.BROWSEINFO bi = new Win32.BROWSEINFO();
bi.iImage = 0;
bi.hwndOwner = owner.Handle;
if (0 != Win32.SHGetSpecialFolderLocation(owner.Handle, (int)this.RootFolder, ref bi.pidlRoot))
bi.pidlRoot = IntPtr.Zero;
bi.lpszTitle = "";
bi.ulFlags = Win32.BIF_RETURNONLYFSDIRS; // do NOT use BIF_NEWDIALOGSTYLE or BIF_STATUSTEXT
if (this.ShowEditbox)
bi.ulFlags |= Win32.BIF_EDITBOX;
if (!this.ShowNewFolderButton)
bi.ulFlags |= Win32.BIF_NONEWFOLDERBUTTON;
bi.lpfn = new Win32.BrowseCallbackProc(_browseCallbackHandler);
// Initialization data, used in _browseCallbackHandler
IntPtr hInit = Marshal.AllocHGlobal(Marshal.SizeOf(initdata));
Marshal.StructureToPtr(initdata, hInit, true);
bi.lParam = hInit;
IntPtr pidlSelectedPath = IntPtr.Zero;
try
{
pidlSelectedPath = Win32.SHBrowseForFolder(ref bi);
StringBuilder sb = new StringBuilder(256);
if (Win32.SHGetPathFromIDList(pidlSelectedPath, sb))
{
SelectedPath = sb.ToString();
return DialogResult.OK;
}
}
finally
{
// Caller is responsible for freeing this memory.
Marshal.FreeCoTaskMem(pidlSelectedPath);
}
return DialogResult.Cancel;
}