How to Create a Borderless Window with Shadow, Snap, Minimization Animation, and Shake in QT and C ?

Creating a Borderless Window with Shadow, Snap, Minimization Animation, and Shake

Creating a borderless window on Windows can be challenging, as it removes various features such as Areo shadow, snap, minimization animation, and shake. However, it is possible to implement these features in QT and C by implementing the following steps:

Hide Window Border:

Handle the WM_NCCALCSIZE message in your WindowProc to hide the window's border:

<code class="c++">case WM_NCCALCSIZE: {
    if (window->is_borderless) {
        return 0;
    } else {
        return DefWindowProc(hwnd, msg, wparam, lparam);
    }
}</code>

Enable Areo Shadow:

Enable the shadow by extending the frame into the client area using DwmExtendFrameIntoClientArea:

<code class="c++">MARGINS borderless = {1,1,1,1};
DwmExtendFrameIntoClientArea(hwnd, &amp;borderless);</code>

**Enable

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