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Merged
amaitland merged 3 commits into from
Feb 21, 2026
Merged

Core - Upgrade to stdcpp20 #5215

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4ee17ca
Core - Upgrade to stdcpp20
amaitland Feb 18, 2026
598daf9
review feedback
amaitland Feb 19, 2026
e2b4d38
review fix
amaitland Feb 19, 2026
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2 changes: 1 addition & 1 deletion CefSharp.BrowserSubprocess.Core/CefAppUnmanagedWrapper.cpp
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Expand Up @@ -301,7 +301,7 @@ namespace CefSharp
frame->SendProcessMessage(CefProcessId::PID_BROWSER, uncaughtExceptionMessage);
}

JavascriptRootObjectWrapper^ CefAppUnmanagedWrapper::GetJsRootObjectWrapper(int browserId, CefString& frameId)
JavascriptRootObjectWrapper^ CefAppUnmanagedWrapper::GetJsRootObjectWrapper(int browserId, CefString frameId)
{
auto rootObjectWrappers = _jsRootObjectWrappersByFrameId;

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2 changes: 1 addition & 1 deletion CefSharp.BrowserSubprocess.Core/CefAppUnmanagedWrapper.h
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Expand Up @@ -85,7 +85,7 @@ namespace CefSharp
}

CefBrowserWrapper^ FindBrowserWrapper(int browserId);
JavascriptRootObjectWrapper^ GetJsRootObjectWrapper(int browserId, CefString& frameId);
JavascriptRootObjectWrapper^ GetJsRootObjectWrapper(int browserId, CefString frameId);

virtual DECL CefRefPtr<CefRenderProcessHandler> GetRenderProcessHandler() override;
virtual DECL void OnBrowserCreated(CefRefPtr<CefBrowser> browser, CefRefPtr<CefDictionaryValue> extraInfo) override;
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2 changes: 1 addition & 1 deletion CefSharp.BrowserSubprocess.Core/CefBrowserWrapper.h
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Expand Up @@ -30,7 +30,7 @@ namespace CefSharp
MCefRefPtr<CefBrowser> _cefBrowser;

public:
CefBrowserWrapper(CefRefPtr<CefBrowser> cefBrowser)
CefBrowserWrapper(const CefRefPtr<CefBrowser> &cefBrowser)
{
_cefBrowser = cefBrowser.get();
BrowserId = cefBrowser->GetIdentifier();
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18 changes: 12 additions & 6 deletions CefSharp.BrowserSubprocess.Core/CefSharp.BrowserSubprocess.Core.netcore.vcxproj
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Expand Up @@ -154,7 +154,8 @@
<PrecompiledHeader>Use</PrecompiledHeader>
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -174,7 +175,8 @@
<PreprocessorDefinitions>_DEBUG;EXPORT;NETCOREAPP;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PrecompiledHeader>Use</PrecompiledHeader>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -194,7 +196,8 @@
<PreprocessorDefinitions>_DEBUG;EXPORT;NETCOREAPP;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PrecompiledHeader>Use</PrecompiledHeader>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -214,7 +217,8 @@
<PrecompiledHeader>Use</PrecompiledHeader>
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -232,7 +236,8 @@
<PreprocessorDefinitions>NDEBUG;EXPORT;NETCOREAPP;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PrecompiledHeader>Use</PrecompiledHeader>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -250,7 +255,8 @@
<PreprocessorDefinitions>NDEBUG;EXPORT;NETCOREAPP;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PrecompiledHeader>Use</PrecompiledHeader>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
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12 changes: 8 additions & 4 deletions CefSharp.BrowserSubprocess.Core/CefSharp.BrowserSubprocess.Core.vcxproj
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Expand Up @@ -111,7 +111,8 @@
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<TreatWarningAsError>true</TreatWarningAsError>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -129,7 +130,8 @@
<PrecompiledHeader>Use</PrecompiledHeader>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<TreatWarningAsError>true</TreatWarningAsError>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -146,7 +148,8 @@
<PrecompiledHeader>Use</PrecompiledHeader>
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
Expand All @@ -161,7 +164,8 @@
<PreprocessorDefinitions>WIN32;NDEBUG;EXPORT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PrecompiledHeader>Use</PrecompiledHeader>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
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2 changes: 2 additions & 0 deletions CefSharp.BrowserSubprocess.Core/Stdafx.h
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Expand Up @@ -10,6 +10,8 @@
#define DECL __declspec(dllimport)
#endif

#define NOMINMAX

#include <vector>

#include <include/cef_base.h>
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2 changes: 1 addition & 1 deletion CefSharp.BrowserSubprocess.Core/Wrapper/Browser.h
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Expand Up @@ -19,7 +19,7 @@ namespace CefSharp
bool _disposed;

internal:
Browser(CefRefPtr<CefBrowser> &browser)
Browser(const CefRefPtr<CefBrowser> &browser)
: _browser(browser)
{
}
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2 changes: 1 addition & 1 deletion CefSharp.BrowserSubprocess.Core/Wrapper/Frame.h
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Expand Up @@ -31,7 +31,7 @@ namespace CefSharp
bool _disposed;

internal:
Frame(CefRefPtr<CefFrame> &frame)
Frame(const CefRefPtr<CefFrame> &frame)
: _frame(frame), _parentFrame(nullptr),
_owningBrowser(nullptr), _syncRoot(gcnew Object())
{
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4 changes: 2 additions & 2 deletions CefSharp.Core.Runtime.RefAssembly/CefSharp.Core.Runtime.netcore.cs
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Expand Up @@ -16,6 +16,8 @@ public BrowserSettings() { }
public BrowserSettings(bool autoDispose) { }
public virtual bool AutoDispose { get { throw null; } }
public virtual uint BackgroundColor { get { throw null; } set { } }
public virtual CefSharp.CefState ChromeStatusBubble { get { throw null; } set { } }
public virtual CefSharp.CefState ChromeZoomBubble { get { throw null; } set { } }
public virtual string CursiveFontFamily { get { throw null; } set { } }
public virtual CefSharp.CefState Databases { get { throw null; } set { } }
public virtual string DefaultEncoding { get { throw null; } set { } }
Expand All @@ -40,8 +42,6 @@ public BrowserSettings(bool autoDispose) { }
public virtual CefSharp.CefState TabToLinks { get { throw null; } set { } }
public virtual CefSharp.CefState TextAreaResize { get { throw null; } set { } }
public virtual CefSharp.CefState WebGl { get { throw null; } set { } }
public virtual CefSharp.CefState ChromeStatusBubble { get { throw null; } set { } }
public virtual CefSharp.CefState ChromeZoomBubble { get { throw null; } set { } }
public virtual int WindowlessFrameRate { get { throw null; } set { } }
public void Dispose() { }
protected virtual void Dispose(bool A_0) { }
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18 changes: 12 additions & 6 deletions CefSharp.Core.Runtime/CefSharp.Core.Runtime.netcore.vcxproj
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Expand Up @@ -178,7 +178,8 @@
<PrecompiledHeaderFile>Stdafx.h</PrecompiledHeaderFile>
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<ProjectReference>
<LinkLibraryDependencies>false</LinkLibraryDependencies>
Expand Down Expand Up @@ -212,7 +213,8 @@
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<PrecompiledHeaderFile>Stdafx.h</PrecompiledHeaderFile>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<ProjectReference>
<LinkLibraryDependencies>false</LinkLibraryDependencies>
Expand Down Expand Up @@ -243,7 +245,8 @@
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<PrecompiledHeaderFile>Stdafx.h</PrecompiledHeaderFile>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<ProjectReference>
<LinkLibraryDependencies>false</LinkLibraryDependencies>
Expand Down Expand Up @@ -273,7 +276,8 @@
<GenerateXMLDocumentationFiles>true</GenerateXMLDocumentationFiles>
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<AdditionalDependencies>libcef.lib;libcef_dll_wrapper.lib;%(AdditionalDependencies)</AdditionalDependencies>
Expand All @@ -297,7 +301,8 @@
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<GenerateXMLDocumentationFiles>true</GenerateXMLDocumentationFiles>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<AdditionalDependencies>libcef.lib;libcef_dll_wrapper.lib;%(AdditionalDependencies)</AdditionalDependencies>
Expand All @@ -319,7 +324,8 @@
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<GenerateXMLDocumentationFiles>true</GenerateXMLDocumentationFiles>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<AdditionalDependencies>libcef.lib;libcef_dll_wrapper.lib;%(AdditionalDependencies)</AdditionalDependencies>
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12 changes: 8 additions & 4 deletions CefSharp.Core.Runtime/CefSharp.Core.Runtime.vcxproj
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Expand Up @@ -130,7 +130,8 @@
<PrecompiledHeaderFile>Stdafx.h</PrecompiledHeaderFile>
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<ProjectReference>
<LinkLibraryDependencies>false</LinkLibraryDependencies>
Expand Down Expand Up @@ -161,7 +162,8 @@
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<PrecompiledHeaderFile>Stdafx.h</PrecompiledHeaderFile>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<ProjectReference>
<LinkLibraryDependencies>false</LinkLibraryDependencies>
Expand All @@ -188,7 +190,8 @@
<GenerateXMLDocumentationFiles>true</GenerateXMLDocumentationFiles>
<BrowseInformation>true</BrowseInformation>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<AdditionalDependencies>opengl32.lib;glu32.lib;libcef.lib;libcef_dll_wrapper.lib;%(AdditionalDependencies)</AdditionalDependencies>
Expand All @@ -209,7 +212,8 @@
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<GenerateXMLDocumentationFiles>true</GenerateXMLDocumentationFiles>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpp17</LanguageStandard>
<LanguageStandard>stdcpp20</LanguageStandard>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<AdditionalDependencies>opengl32.lib;glu32.lib;libcef.lib;libcef_dll_wrapper.lib;%(AdditionalDependencies)</AdditionalDependencies>
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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/DragData.h
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Expand Up @@ -26,7 +26,7 @@ namespace CefSharp
MCefRefPtr<CefDragData> _wrappedDragData;

internal:
DragData(CefRefPtr<CefDragData> &dragData) :
DragData(const CefRefPtr<CefDragData> &dragData) :
_wrappedDragData(dragData)
{
IsReadOnly = dragData->IsReadOnly();
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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/Internals/CefBrowserHostWrapper.h
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Expand Up @@ -26,7 +26,7 @@ namespace CefSharp
double GetZoomLevelOnUI();

internal:
CefBrowserHostWrapper(CefRefPtr<CefBrowserHost> &browserHost) : _browserHost(browserHost)
CefBrowserHostWrapper(const CefRefPtr<CefBrowserHost> &browserHost) : _browserHost(browserHost)
{
}

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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/Internals/CefBrowserWrapper.h
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Expand Up @@ -20,7 +20,7 @@ namespace CefSharp
IBrowserHost^ _browserHost;

internal:
CefBrowserWrapper::CefBrowserWrapper(CefRefPtr<CefBrowser> &browser)
CefBrowserWrapper(const CefRefPtr<CefBrowser> &browser)
: _browser(browser), _browserHost(nullptr)
{
}
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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/Internals/CefContextMenuParamsWrapper.cpp
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Expand Up @@ -111,7 +111,7 @@ namespace CefSharp
{
ThrowIfDisposed();

std::vector<CefString>& dictionarySuggestions = std::vector<CefString>();
std::vector<CefString> dictionarySuggestions;
bool result = _wrappedInfo->GetDictionarySuggestions(dictionarySuggestions);

return StringUtils::ToClr(dictionarySuggestions);
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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/Internals/CefFrameWrapper.h
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Expand Up @@ -32,7 +32,7 @@ namespace CefSharp
Object^ _syncRoot;

internal:
CefFrameWrapper::CefFrameWrapper(CefRefPtr<CefFrame> &frame)
CefFrameWrapper(const CefRefPtr<CefFrame> &frame)
: _frame(frame), _parentFrame(nullptr),
_owningBrowser(nullptr), _syncRoot(gcnew Object())
{
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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/Internals/CefImageWrapper.h
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Expand Up @@ -21,7 +21,7 @@ namespace CefSharp
internal:
MCefRefPtr<CefImage> _image;

CefImageWrapper::CefImageWrapper(CefRefPtr<CefImage> &image)
CefImageWrapper(const CefRefPtr<CefImage> &image)
: _image(image)
{
}
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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/Internals/CefResponseWrapper.h
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Expand Up @@ -19,7 +19,7 @@ namespace CefSharp
{
MCefRefPtr<CefResponse> _response;
internal:
CefResponseWrapper(CefRefPtr<CefResponse> &response) :
CefResponseWrapper(const CefRefPtr<CefResponse> &response) :
_response(response)
{

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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/Internals/CefValueWrapper.h
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Expand Up @@ -53,7 +53,7 @@ namespace CefSharp
}

internal:
CefValueWrapper(CefRefPtr<CefValue> &cefValue) : _cefValue(cefValue)
CefValueWrapper(const CefRefPtr<CefValue> &cefValue) : _cefValue(cefValue)
{
}

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6 changes: 3 additions & 3 deletions CefSharp.Core.Runtime/Internals/StringUtils.h
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Expand Up @@ -26,7 +26,7 @@ namespace CefSharp
/// <param name="cefStr">The string that should be converted.</param>
/// <returns>A .NET string.</returns>
[DebuggerStepThrough]
static String^ StringUtils::ToClr(const cef_string_t& cefStr)
static String^ ToClr(const cef_string_t& cefStr)
{
auto str = reinterpret_cast<wchar_t*>(cefStr.str);

Expand All @@ -39,7 +39,7 @@ namespace CefSharp
/// <param name="cefStr">The string that should be converted.</param>
/// <returns>A .NET string.</returns>
[DebuggerStepThrough]
static String^ StringUtils::ToClr(const CefString& cefStr)
static String^ ToClr(const CefString& cefStr)
{
auto str = reinterpret_cast<const wchar_t*>(cefStr.c_str());

Expand Down Expand Up @@ -112,7 +112,7 @@ namespace CefSharp
/// <param name="cefStr">The cef_string_t that should be updated.</param>
/// <param name="str">The .NET string whose value should be used to update cefStr.</param>
[DebuggerStepThrough]
static void StringUtils::AssignNativeFromClr(cef_string_t& cefStr, String^ str)
static void AssignNativeFromClr(cef_string_t& cefStr, String^ str)
{
cef_string_clear(&cefStr);

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2 changes: 1 addition & 1 deletion CefSharp.Core.Runtime/RequestContext.h
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Expand Up @@ -42,7 +42,7 @@ namespace CefSharp
RequestContextSettings^ _settings;

internal:
RequestContext(CefRefPtr<CefRequestContext>& context)
RequestContext(const CefRefPtr<CefRequestContext>& context)
{
_requestContext = context.get();
_settings = nullptr;
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2 changes: 2 additions & 0 deletions CefSharp.Core.Runtime/Stdafx.h
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Expand Up @@ -10,6 +10,8 @@
#define DECL __declspec(dllimport)
#endif

#define NOMINMAX

#include <vector>
#include <list>

Expand Down