//
Window OpenHashPropWindow(string filename)
{
// Combine the path to the class .dll with the relative path to the test vectors
if (PATH_PREFIX == null)
{
PATH_PREFIX = Path.Combine(
Path.GetDirectoryName(
Uri.UnescapeDataString(
new Uri(System.Reflection.Assembly.GetExecutingAssembly().CodeBase).AbsolutePath
)
),
RELATIVE_PATH_PREFIX
);
}
// Open the Checksums tab in the shell file properties sheet
SHELLEXECUTEINFO sei = new SHELLEXECUTEINFO();
sei.cbSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(sei);
sei.fMask = 0x0000010C; // SEE_MASK_INVOKEIDLIST | SEE_MASK_NOASYNC
sei.lpVerb = "Properties";
sei.lpFile = Path.Combine(PATH_PREFIX, filename);
sei.lpParameters = "Checksums";
sei.nShow = 1; // SW_SHOWNORMAL
ShellExecuteExW(ref sei);
// Find the file properties sheet window
Window prop_window = null;
// Prior to Windows 10, the file properties sheet opens in the curent process
int orig_timeout = CoreAppXmlConfiguration.Instance.FindWindowTimeout;
if ((int)Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "CurrentMajorVersionNumber", 0) >= 10)
{
CoreAppXmlConfiguration.Instance.FindWindowTimeout = 1500; // likely to fail on Windows 10+, so use a short timeout (1.5s) in that case
}
if (!is_com_surrogate)
{
Application app = Application.Attach(Process.GetCurrentProcess());
try
{
prop_window = app.GetWindow(filename + " Properties");
is_com_surrogate = false;
}
catch (AutomationException) { }
}
// Starting with Windows 10, the file properties sheet is hosted in a dllhost COM surrogate
if (prop_window == null)
{
foreach (Process proc in Process.GetProcessesByName("dllhost"))
{
Application app = Application.Attach(proc);
try
{
prop_window = app.GetWindow(filename + " Properties");
break;
}
catch (AutomationException) { }
}
Assert.NotNull(prop_window);
is_com_surrogate = true;
}
CoreAppXmlConfiguration.Instance.FindWindowTimeout = orig_timeout;
return(prop_window);
}
