Here is how to reproduce the bugs in Attached project which is the sample project from syncfusion dashboard,
Step 1. Right Click on the any tab window and select "Floating".
Step 2. Minimize the Application.
Setp 3. Click on the icon on the taskbar to Maximize again.
Step 4. Right Click on the tab which u chose Floating. You will see all other options are disabled except "AutoHide".
Setp 5. Right Click again on the Same tab. Then, Application crash.
Please advise , Thanks.
CS_c6a809b0.zip