How do I create 3D buttons in C++

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C++

I have been trying to get my buttons to look like the standard buttons shown on the Microsoft page Button Types - Win32 apps | Microsoft Docs[^], but everything I've tried has resulted in 'flat' style buttons. The things I remember doing:

Adding a manifest like the following to my program:

<?xml version="1.0" encoding="utf-8" standalone="yes"?>

<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
    <application>
      <!-- Supports Windows Vista / Server 2008 -->
      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
      <!-- Supports Windows 7 / Server 2008 R2 -->
      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
      <!-- Supports Windows 8 / Server 2012 -->
      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
      <!-- Supports Windows 8.1 / Server 2012 R2 -->
      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
      <!-- Supports Windows 10 -->
      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
    </application>
  </compatibility>
  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
    <security>
      <requestedPrivileges>
        <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
      </requestedPrivileges>
    </security>
  </trustInfo>
  <dependency>
    <dependentAssembly>
      <assemblyIdentity type="Win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
    </dependentAssembly>
  </dependency>
</assembly>

I've done this both by adding the '{MyApp}.exe.manifest' to the executable directory and by embedding it in Visual Studio 2019.

I've also tried adding the following pragma to the program:

#pragma comment(linker,"\"/manifestdependency:type='win32' \
   name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' \
   publicKeyToken='6595b64144ccf1df' language='*'\"")

My button creation function is:

void Button::instantiate(int left, int top, int width, int height, const wString & str) {

   CREATESTRUCT cs = { 0 };
   cs.dwExStyle      = 0;
   cs.lpszClass      = _T("BUTTON");
   cs.lpszName       = c_cast<TCHAR*>(str.c_str());
   cs.style          = BS_PUSHBUTTON | WS_CHILD | WS_TABSTOP;
   cs.x              = left;
   cs.y              = top;
   cs.cx             = width;
   cs.cy             = height;
   cs.hwndParent     = 0;  //Will be set up in ControlWin::instantiate
   cs.hMenu          = (HMENU) idC.id();
   cs.hInstance      = gDwlGlobals->dwlApp->instance();
   cs.lpCreateParams = NULL;

   ControlWin::instantiate(cs, gDwlGlobals->errors()[(int)Error::Button_CreationFailure]);

   if (!hwndC) throw dwl::Exception(_T("Unable to create dwl::Button"));
   SendMessage(hwndC, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT),
               MAKELPARAM(false, 0));
   ShowWindow(hwndC, SW_SHOW);
   }

I've set up Visual Studio to use the latest files (10.0 / v142), but still get flat buttons, although they look better than the buttons that appeared when my settings were WinXP. My current preprocessor defines for the project include:

#pragma comment(lib, "comctl32.lib")
...
#define _WIN32_WINNT 0x0600

Any ideas?

Thanks,
David

What I have tried:

See above. And since this has to be at least 30 characters, see above.