本文记录一位用户和我反馈的微信截图开启之后 WPF 应用就会卡住的问题，此时的行为就是任何程序的窗口都无法被激活，只有从任务管理器干掉 WPF 应用的进程才能恢复
我拿了 WPF 应用的堆栈信息如下，看起来是卡在 UXTheme.dll 上，但是不知道里面在执行什么逻辑
代码语言：javascript复制> user32.dll!_NtUserMessageCall@28()
user32.dll!_RealDefWindowProcW@16()
uxtheme.dll!DoMsgDefault(struct _THEME_MSG const *)
uxtheme.dll!_ThemeDefWindowProc(struct HWND__ *,unsigned int,unsigned int,long,int)
uxtheme.dll!_ThemeDefWindowProcW@16()
user32.dll!_DefWindowProcW@16()
user32.dll!_InternalCallWinProc@20()
user32.dll!_UserCallWinProcCheckWow@32()
user32.dll!_CallWindowProcAorW@24()
user32.dll!_CallWindowProcW@20()
[托管到本机的转换]
WindowsBase.dll!MS.Win32.HwndSubclass.DefWndProcWrapper(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam)
[本机到托管的转换]
user32.dll!_InternalCallWinProc@20()
user32.dll!_UserCallWinProcCheckWow@32()
user32.dll!_CallWindowProcAorW@24()
user32.dll!_CallWindowProcW@20()
[托管到本机的转换]
WindowsBase.dll!MS.Win32.HwndSubclass.SubclassWndProc(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam)
[本机到托管的转换]
user32.dll!_InternalCallWinProc@20()
user32.dll!_UserCallWinProcCheckWow@32()
user32.dll!_DispatchClientMessage@24()
user32.dll!___fnDWORD@4()
ntdll.dll!7728013a()
[下面的框架可能不正确和/或缺失，没有为 ntdll.dll 加载符号]
[托管到本机的转换]
WindowsBase.dll!System.Windows.Threading.Dispatcher.GetMessage(ref System.Windows.Interop.MSG msg, System.IntPtr hwnd, int minMessage, int maxMessage)
WindowsBase.dll!System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame frame = {System.Windows.Threading.DispatcherFrame})
WindowsBase.dll!System.Windows.Threading.Dispatcher.PushFrame(System.Windows.Threading.DispatcherFrame frame = {System.Windows.Threading.DispatcherFrame})
WindowsBase.dll!System.Windows.Threading.Dispatcher.Run()
PresentationFramework.dll!System.Windows.Application.RunDispatcher(object ignore = null)
PresentationFramework.dll!System.Windows.Application.RunInternal(System.Windows.Window window = null)
PresentationFramework.dll!System.Windows.Application.Run(System.Windows.Window window = null)
PresentationFramework.dll!System.Windows.Application.Run()
lindexi.dll!Cvte.lindexi.Program.Main(string[] args = {string[2]})
[本机到托管的转换]
hostpolicy.dll!542463c4()
hostpolicy.dll!542465c2()
hostpolicy.dll!54246d75()
hostfxr.dll!72bf9ad3()
hostfxr.dll!72bfb909()
hostfxr.dll!72bfd594()
hostfxr.dll!72bfbc98()
hostfxr.dll!72bf6f1b()
lindexi.exe!003701ed()
lindexi.exe!0037053a()
lindexi.exe!0037166c()
kernel32.dll!765a344d()
ntdll.dll!772a9802()
ntdll.dll!772a97d5() 换成 QQ 截图没有能够复现问题，期待后续腾讯的伙伴能够帮忙修复
