/// <summary>
/// Account Picker APIs do not work well with console apps because the console
/// window belongs to a different process, which causes a security exception.
/// In general, if the parent window handle does not belong to the current process,
/// we need to take control over the window handle by injecting a splash screen.
/// </summary>
private bool UseSplashScreen()
{
WindowsNativeMethods.GetWindowThreadProcessId(_parentHandle, out uint windowProcessId);
uint appProcessId = WindowsNativeMethods.GetCurrentProcessId();
return(appProcessId != windowProcessId);
}
/// <summary>
/// Account Picker APIs do not work well with console apps because the console
/// window belongs to a different process, which causes a security exception.
/// In general, if the parent window handle does not belong to the current process,
/// we need to take control over the window handle by injecting a splash screen.
/// </summary>
private bool UseSplashScreen()
{
if (_synchronizationContext == null)
{
return(true);
}
WindowsNativeMethods.GetWindowThreadProcessId(_parentHandle, out uint windowProcessId);
uint appProcessId = WindowsNativeMethods.GetCurrentProcessId();
return(appProcessId != windowProcessId);
}
private static void SendStopMessageToProcess(int pid)
{
for (var ptr = WindowsNativeMethods.GetTopWindow(IntPtr.Zero); ptr != IntPtr.Zero; ptr = WindowsNativeMethods.GetWindow(ptr, 2))
{
uint num;
WindowsNativeMethods.GetWindowThreadProcessId(ptr, out num);
if (pid == num)
{
var hWnd = new HandleRef(null, ptr);
WindowsNativeMethods.PostMessage(hWnd, 0x12, IntPtr.Zero, IntPtr.Zero);
return;
}
}
}
private void SendStopMessageToProcess(int pid)
{
Logger.LogInformation($"Sending shutdown request to {pid}");
for (var ptr = WindowsNativeMethods.GetTopWindow(IntPtr.Zero); ptr != IntPtr.Zero; ptr = WindowsNativeMethods.GetWindow(ptr, 2))
{
WindowsNativeMethods.GetWindowThreadProcessId(ptr, out var windowProcessId);
if (pid == windowProcessId)
{
var hWnd = new HandleRef(null, ptr);
if (!WindowsNativeMethods.PostMessage(hWnd, 0x12, IntPtr.Zero, IntPtr.Zero))
{
throw new InvalidOperationException($"Unable to PostMessage to process {pid}. LastError: {Marshal.GetLastWin32Error()}");
}
return;
}
}
throw new InvalidOperationException($"Unable to find main window for process {pid}");
}
private void SendStopMessageToProcess(int pid)
{
Logger.LogInformation($"Sending shutdown request to {pid}");
var found = false;
WindowsNativeMethods.EnumWindows((ptr, param) => {
WindowsNativeMethods.GetWindowThreadProcessId(ptr, out var windowProcessId);
if (pid == windowProcessId)
{
// 256 is the max length
var className = new StringBuilder(256);
if (WindowsNativeMethods.GetClassName(ptr, className, className.Capacity) == 0)
{
throw new InvalidOperationException($"Unable to get window class name: {Marshal.GetLastWin32Error()}");
}
if (!string.Equals(className.ToString(), "IISEXPRESS", StringComparison.OrdinalIgnoreCase))
{
// skip windows without IISEXPRESS class
return(true);
}
var hWnd = new HandleRef(null, ptr);
if (!WindowsNativeMethods.PostMessage(hWnd, 0x12, IntPtr.Zero, IntPtr.Zero))
{
throw new InvalidOperationException($"Unable to PostMessage to process {pid}. LastError: {Marshal.GetLastWin32Error()}");
}
found = true;
return(false);
}
return(true);
}, IntPtr.Zero);
if (!found)
{
throw new InvalidOperationException($"Unable to find main window for process {pid}");
}
}
private void SendStopMessageToProcess(int pid)
{
var found = false;
var extraLogging = false;
var retryCount = 5;
while (!found && retryCount > 0)
{
Logger.LogInformation($"Sending shutdown request to {pid}");
WindowsNativeMethods.EnumWindows((ptr, param) => {
WindowsNativeMethods.GetWindowThreadProcessId(ptr, out var windowProcessId);
if (extraLogging)
{
Logger.LogDebug($"EnumWindow returned {ptr} belonging to {windowProcessId}");
}
if (pid == windowProcessId)
{
// 256 is the max length
var className = new StringBuilder(256);
if (WindowsNativeMethods.GetClassName(ptr, className, className.Capacity) == 0)
{
throw new InvalidOperationException($"Unable to get window class name: {Marshal.GetLastWin32Error()}");
}
if (!string.Equals(className.ToString(), "IISEXPRESS", StringComparison.OrdinalIgnoreCase))
{
Logger.LogDebug($"Skipping window {ptr} with class name {className}");
// skip windows without IISEXPRESS class
return(true);
}
var hWnd = new HandleRef(null, ptr);
if (!WindowsNativeMethods.PostMessage(hWnd, 0x12, IntPtr.Zero, IntPtr.Zero))
{
throw new InvalidOperationException($"Unable to PostMessage to process {pid}. LastError: {Marshal.GetLastWin32Error()}");
}
found = true;
return(false);
}
return(true);
}, IntPtr.Zero);
if (!found)
{
Thread.Sleep(100);
}
// Add extra logging if first try was unsuccessful
extraLogging = true;
retryCount--;
}
if (!found)
{
throw new InvalidOperationException($"Unable to find main window for process {pid}");
}
}