AdjustWindowRectExForDpi is missing

[ciriousjoker]

[DllImport("user32.dll", SetLastError = true)]
static extern IntPtr AdjustWindowRectExForDpi(
    ref NetCoreEx.Geometry.Rectangle lpRect,
    WindowStyles dwStyle,
    bool bMenu,
    WindowExStyles dwExStyle,
    uint dpi
);

[prasannavl]

Hi @ciriousjoker - would appreciate a PR for small additions like these. Thanks!

[ciriousjoker]

There are still open prs so I didn't bother so far. Maybe I'll make a PR for these