File: Windows\Win32\PInvoke.GetDpiForWindow.cs
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Project: src\src\System.Windows.Forms.Primitives\src\System.Windows.Forms.Primitives.csproj (System.Windows.Forms.Primitives)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace Windows.Win32;
 
internal static partial class PInvoke
{
    /// <inheritdoc cref="GetDpiForWindow(HWND)"/>
    public static uint GetDpiForWindow<T>(T hwnd) where T : IHandle<HWND>
    {
        if (OsVersion.IsWindows10_1607OrGreater())
        {
            uint result = GetDpiForWindow(hwnd.Handle);
            GC.KeepAlive(hwnd.Wrapper);
            return result;
        }
 
        return 0;
    }
}