No user comments in crash group
450 NewHeight = FMath::Max( NewHeight, FMath::Min( OldHeight, MinRetainedHeight ) ); 451 } 452 453 if (IsMaximized()) 454 { 455 Restore(); 456 } 457 458 // We use SWP_NOSENDCHANGING when in fullscreen mode to prevent Windows limiting our window size to the current resolution, as that 459 // prevents us being able to change to a higher resolution while in fullscreen mode 460 ::SetWindowPos( HWnd, nullptr, WindowX, WindowY, NewWidth, NewHeight, SWP_NOZORDER | SWP_NOACTIVATE | ((WindowMode == EWindowMode::Fullscreen) ? SWP_NOSENDCHANGING : 0) ); 461 462 if( Definition->SizeWillChangeOften && bVirtualSizeChanged ) 463 { 464 ***** AdjustWindowRegion( VirtualWidth, VirtualHeight ); 465 } 466 } 467
No known steps to reproduce
Assertion failed: SetWindowRgn( HWnd, Region, false ) [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsWindow.cpp] [Line: 400] UE4Editor_ApplicationCore!FWindowsWindow::ReshapeWindow() [windowswindow.cpp:465] UE4Editor_SlateCore!SWindow::Resize() [swindow.cpp:920] UE4Editor_Slate!PrepassWindowAndChildren() [slateapplication.cpp:1351] UE4Editor_Slate!PrepassWindowAndChildren() [slateapplication.cpp:1352] UE4Editor_Slate!FSlateApplication::DrawPrepass() [slateapplication.cpp:1391] UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [slateapplication.cpp:1433] UE4Editor_Slate!FSlateApplication::DrawWindows() [slateapplication.cpp:1190] UE4Editor_Slate!FSlateApplication::TickApplication() [slateapplication.cpp:1777] UE4Editor_Slate!FSlateApplication::Tick() [slateapplication.cpp:1595] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3378] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-55310 in the post.