Changing Windows 11 Start Button to match Windows 11 logo when using ExplorerPatcher

StartButtonReplacement.cpp

/*
 * MIT License
 * 
 * Copyright (c) 2021 krlvm
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
*/

#include <Windows.h>
#include <Uxtheme.h>

#pragma comment(lib, "user32.lib")
#pragma comment(lib, "uxtheme.lib")

#define SEPARATOR 2

int UpdateBitmap(HBITMAP hbm)
{
    BITMAP bm;
    GetObject(hbm, sizeof(bm), &bm);

    if (!hbm || bm.bmBitsPixel != 32 || bm.bmWidth > 64)
    {
        return FALSE;
    }
    
    int side = bm.bmWidth / 2;

    BYTE* pBits = new BYTE[bm.bmWidth * bm.bmHeight * 4];
    GetBitmapBits(hbm, bm.bmWidth * bm.bmHeight * 4, pBits);

    for (int y = 0; y < bm.bmHeight; y++) {
        BYTE* pPixel = (BYTE*)pBits + bm.bmWidth * 4 * y;

        for (int x = 0; x < bm.bmWidth; x++) {

            if ( ((x + 1) >= side && (x + 1) < (side + SEPARATOR)) || ((y + 1) >= side && (y + 1) < (side + SEPARATOR)))
            {
                pPixel[3] = 0;
            }
            else
            {
                // Windows 11 Logo Color
                //pPixel[2] = 0;
                //pPixel[1] = 120;
                //pPixel[0] = 212;
                
                pPixel[2] = 255;
                pPixel[1] = 255;
                pPixel[0] = 255;

                pPixel[3] = 255;
            }

            pPixel += 4;
        }
    }

    SetBitmapBits(hbm, bm.bmWidth * bm.bmHeight * 4, pBits);

    delete[] pBits;
    return TRUE;
}

int ModifyStyle(LPCWSTR pszClassList, int iPartId, int iStateId, int iPropId)
{
    HBITMAP hBitmap;

    HTHEME hTheme = OpenThemeDataForDpi(HWND_DESKTOP, pszClassList, GetDpiForWindow(HWND_DESKTOP));

    GetThemeBitmap(hTheme, iPartId, iStateId, iPropId, GBF_DIRECT, &hBitmap);
    CloseThemeData(hTheme);

    if (!hBitmap) return 0;

    return UpdateBitmap(hBitmap);
}

int main()
{
    for (int i = 1; i <= 7; i++)
    {
        ModifyStyle(L"TaskbarPearl", i, 0, 0);
    }
}

Hi @krlvm,

How does it work? Is there an executable file?

Regards.

This code should be compiled as a command line VS2019 C++ project.
You can also execute this binary, it will replace the start button until reboot if you're using 100% or 125% DPI Scaling.

how do i remove this