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Topic review

ankatsu2010@...

メモリのアクセス違反 - Vcl::Controls::TWinControl::WMPrintClient

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.15.2

Error message:
メモリのアクセス違反

スタック トレース:
(00926B10) __DynamicCastVCLptr
(0007E19F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(0027D3BF) Vcl::Controls::TWinControl::WMPrintClient
(006CDC6A) TThemePageControl::Dispatch
(00278F45) Vcl::Controls::TWinControl::WndProc
(0027403C) Vcl::Controls::TControl::Perform
(0027997F) Vcl::Controls::TWinControl::WMPaint
(006CDC6A) TThemePageControl::Dispatch
(00278F45) Vcl::Controls::TWinControl::WndProc
(0027858C) Vcl::Controls::TWinControl::MainWndProc
(003A3BA8) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00016AF8) USER32.dll.CallWindowProcW
(0047A973) Dragdrop::TDragDrop::WndMethod
(003A3BA8) System::Classes::_18201
(0003AF19) USER32.dll
(000373E5) USER32.dll
(00036F85) USER32.dll
(000396D7) USER32.dll
(0006BD3B) ntdll.dll.KiUserCallbackDispatcher
(00036A7B) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.
e.arul.arun@...

Invalid access to memory - Vcl::Controls::TWinControl::WMPrintClient

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.9.3

Error message:
Invalid access to memory.

Stack trace:
(0025355A) Vcl::Controls::TWinControl::WMPrintClient
(00045A86) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(007DB194) TMessageForm::Dispatch
(0024F13D) Vcl::Controls::TWinControl::WndProc
(002095EC) Vcl::Forms::TCustomForm::WndProc
(0080BD60) Vclcommon::C2754_0
(0024E784) Vcl::Controls::TWinControl::MainWndProc
(00373100) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(00015DE3) USER32.dll
(00015E41) USER32.dll
(0000F117) ntdll.dll.KiUserCallbackDispatcher
(000186C0) USER32.dll.SendMessageW
(0001D6E6) UXTHEME.DLL.DrawThemeParentBackgroundEx
(0001D786) UXTHEME.DLL.DrawThemeParentBackground
(000235B3) COMCTL32.DLL
(0002380D) COMCTL32.DLL
(00023F25) COMCTL32.DLL
(0002369E) COMCTL32.DLL
(000236DB) COMCTL32.DLL
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD22) USER32.dll
(0001FD48) USER32.dll.CallWindowProcW
(0024F24E) Vcl::Controls::TWinControl::DefaultHandler
(007D9A94) TMessageButton::Dispatch
(0024F13D) Vcl::Controls::TWinControl::WndProc
(001B72B4) Vcl::Stdctrls::TButtonControl::WndProc
(00373100) System::Classes::_18201
(000152F7) USER32.dll
(00016311) USER32.dll.GetDC
(00015DE3) USER32.dll
(00015E41) USER32.dll
(0000F117) ntdll.dll.KiUserCallbackDispatcher
(00016885) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.