daohualiuxiang
/
dotnet
mirror of https://github.com/microsoft/dotnet.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Update 493108-WPF InvalidCastException when displaying a checked MenuItem.md

pull/531/head
Vivek Mishra 2017-10-18 13:51:40 -07:00 committed by GitHub
parent 72ff6fcab1
commit ea843db49e
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
releases/net471/KnownIssues/493108-WPF InvalidCastException when displaying a checked MenuItem.md
View File

@ -1,6 +1,6 @@
## WPF InvalidCastException when displaying a checked MenuItem
# WPF InvalidCastException when displaying a checked MenuItem
### Symptoms
## Symptoms
WPF throws an InvalidCastException when an application displays a MenuItem,
provided the following conditions are all met:
@ -21,7 +21,7 @@ and the callstack begins with
at System.Windows.Shapes.Shape.GetNaturalSize()
at System.Windows.Shapes.Shape.MeasureOverride()
### Cause
## Cause
The exception is due to a resource key conflict between the ribbon library and the theme
file for server machines (PresentationFramework.AeroLite.dll). Both declare resources
using the same key. The theme file includes a DynamicResource reference intended to find
@ -29,5 +29,5 @@ the Geometry describing the MenuItem's checkmark, but in the circumstances descr
the reference resolves to the ribbon library's resource. This effectively sets the value
of Path.Data to an object of type Style. The next measure pass then encounters the exception.
### Resolution
## Resolution
This issue is fixed for all supported OS platforms prior to Windows 10 Fall Creators Update. The fix for Windows 10 Fall Creators Update is expected in a future servicing update.