AllowsTransparency属性将导致未处理的异常

Question

重现步骤：

1. 创建新的WPF项目
2. 在系统日志

在设置AllowsTransparency="True"到Window

运行

看我的在Windows 7个人电脑上我有日志：

Application: WpfApplication1.exe 
Framework Version: v4.0.30319 
Description: The process was terminated due to an unhandled exception. 
Exception Info: System.InvalidOperationException 
Stack: 
    at System.Windows.Window.VerifyConsistencyWithAllowsTransparency(System.Windows.WindowStyle) 
    at System.Windows.Window.CoerceVisibility(System.Windows.DependencyObject, System.Object) 
    at System.Windows.DependencyObject.ProcessCoerceValue(System.Windows.DependencyProperty, System.Windows.PropertyMetadata, System.Windows.EntryIndex ByRef, Int32 ByRef, System.Windows.EffectiveValueEntry ByRef, System.Windows.EffectiveValueEntry ByRef, System.Object ByRef, System.Object, System.Object, System.Windows.CoerceValueCallback, Boolean, Boolean, Boolean) 
    at System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex, System.Windows.DependencyProperty, System.Windows.PropertyMetadata, System.Windows.EffectiveValueEntry, System.Windows.EffectiveValueEntry ByRef, Boolean, Boolean, System.Windows.OperationType) 
    at System.Windows.DependencyObject.SetValueCommon(System.Windows.DependencyProperty, System.Object, System.Windows.PropertyMetadata, Boolean, Boolean, System.Windows.OperationType, Boolean) 
    at System.Windows.DependencyObject.SetValue(System.Windows.DependencyProperty, System.Object) 
    at System.Windows.UIElement.set_Visibility(System.Windows.Visibility) 
    at System.Windows.Application.ConfigAppWindowAndRootElement(System.Object, System.Uri) 
    at System.Windows.Application.DoStartup() 
    at System.Windows.Application.<.ctor>b__1(System.Object) 
    at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32) 
    at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate) 
    at System.Windows.Threading.DispatcherOperation.InvokeImpl() 
    at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(System.Object) 
    at System.Threading.ExecutionContext.runTryCode(System.Object) 
    at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode, CleanupCode, System.Object) 
    at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) 
    at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) 
    at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) 
    at System.Windows.Threading.DispatcherOperation.Invoke() 
    at System.Windows.Threading.Dispatcher.ProcessQueue() 
    at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef) 
    at MS.Win32.HwndWrapper.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef) 
    at MS.Win32.HwndSubclass.DispatcherCallbackOperation(System.Object) 
    at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32) 
    at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate) 
    at System.Windows.Threading.Dispatcher.InvokeImpl(System.Windows.Threading.DispatcherPriority, System.TimeSpan, System.Delegate, System.Object, Int32) 
    at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr, Int32, IntPtr, IntPtr) 
    at MS.Win32.UnsafeNativeMethods.DispatchMessage(System.Windows.Interop.MSG ByRef) 
    at System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame) 
    at System.Windows.Threading.Dispatcher.PushFrame(System.Windows.Threading.DispatcherFrame) 
    at System.Windows.Threading.Dispatcher.Run() 
    at System.Windows.Application.RunDispatcher(System.Object) 
    at System.Windows.Application.RunInternal(System.Windows.Window) 
    at System.Windows.Application.Run(System.Windows.Window) 
    at System.Windows.Application.Run() 
    at WpfApplication1.App.Main() 

任何人都可以确认吗？

我使用的软件：VS 2010 Express（SP1），Windows 7家庭高级版。

Answer 1

只是改变

WindowStyle =“无”