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namazso/ThemeManagerDemo.cs

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  1. namazso renamed this gist Oct 18, 2022. 1 changed file with 0 additions and 0 deletions.
    0 IThemeManager2.cs → ThemeManagerDemo.cs
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  2. namazso created this gist Oct 18, 2022.
    181 changes: 181 additions & 0 deletions IThemeManager2.cs
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    Original file line number Diff line number Diff line change
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    // Copyright (c) 2022 namazso <[email protected]>
    //
    // 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.
    using System.Runtime.InteropServices;
    using System.Runtime.InteropServices.ComTypes;

    namespace ThemeManagerDemo
    {
    [Flags]
    public enum InitializationFlags
    {
    ThemeInitNoFlags = 0,
    ThemeInitCurrentThemeOnly = 1 << 0,
    ThemeInitFlagUnk1 = 1 << 1,
    ThemeInitFlagUnk2 = 1 << 2,
    };

    [Flags]
    public enum ThemeApplyFlags
    {
    ThemeApplyFlagIgnoreBackground = 1 << 0,
    ThemeApplyFlagIgnoreCursor = 1 << 1,
    ThemeApplyFlagIgnoreDesktopIcons = 1 << 2,
    ThemeApplyFlagIgnoreColor = 1 << 3,
    ThemeApplyFlagIgnoreSound = 1 << 4,
    ThemeApplyFlagIgnoreScreensaver = 1 << 5,
    ThemeApplyFlagUnknown = 1 << 6, // something about window metrics
    ThemeApplyFlagUnknown2 = 1 << 7,
    ThemeApplyFlagNoHourglass = 1 << 8
    };

    [Flags]
    public enum ThemePackFlags
    {
    ThemepackFlagUnknown1 = 1 << 0, // setting this seems to supress hourglass
    ThemepackFlagUnknown2 = 1 << 1, // setting this seems to supress hourglass
    ThemepackFlagSilent = 1 << 2, // hides all dialogs and prevents sound
    ThemepackFlagRoamed = 1 << 3, // something about roaming
    };

    public enum DesktopWallpaperPosition
    {
    }

    public enum ThemeCategory
    {
    }

    [Guid("26e4185f-0528-475f-acaf-abe89ba6017d")]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface ITheme
    {
    public string DisplayName { get; set; }
    public string VisualStyle1 { get; set; }
    public string VisualStyle2 { get; set; }
    }

    [Guid("c1e8c83e-845d-4d95-81db-e283fdffc000")]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IThemeManager2
    {
    void Init(InitializationFlags initFlags);
    void InitAsync(IntPtr hwnd, int unk1);
    void Refresh();
    void RefreshAsync(IntPtr hwnd, int unk1);
    void RefreshComplete();
    void GetThemeCount(out int count);
    void GetTheme(int index, out ITheme theme);
    void IsThemeDisabled(int index, out int disabled);
    void GetCurrentTheme(out int index);

    void SetCurrentTheme(IntPtr parent, int themeIndex, int applyNow, ThemeApplyFlags applyFlags,
    ThemePackFlags packFlags);

    void GetCustomTheme(out int index);
    void GetDefaultTheme(out int index);
    void CreateThemePack(IntPtr hwnd, string unk1, ThemePackFlags packFlags);
    void CloneAndSetCurrentTheme(IntPtr hwnd, string unk1, out string unk2);

    void InstallThemePack(IntPtr hwnd, string unk1, int unk2, ThemePackFlags packFlags, out string unk3,
    out ITheme unk4);

    void DeleteTheme(string unk1);
    void OpenTheme(IntPtr hwnd, string path, ThemePackFlags packFlags);
    void AddAndSelectTheme(IntPtr hwnd, string path, ThemeApplyFlags applyFlags, ThemePackFlags packFlags);
    void SQMCurrentTheme();
    void ExportRoamingThemeToStream(IStream stream, int unk1);
    void ImportRoamingThemeFromStream(IStream stream, int unk1);
    void UpdateColorSettingsForLogonUI();
    void GetDefaultThemeId(out Guid guid);
    void UpdateCustomTheme();
    }

    class Program
    {
    [DllImport("ole32.dll", CallingConvention = CallingConvention.StdCall)]
    internal static extern int CoCreateInstance(
    [In, MarshalAs(UnmanagedType.LPStruct)]
    Guid rclsid,
    IntPtr pUnkOuter,
    uint dwClsContext,
    [In, MarshalAs(UnmanagedType.LPStruct)]
    Guid riid,
    [MarshalAs(UnmanagedType.IUnknown)] out object? ppv
    );

    static void Main()
    {
    Thread t = new Thread(
    () =>
    {
    var hr = CoCreateInstance(
    Guid.Parse("9324da94-50ec-4a14-a770-e90ca03e7c8f"),
    IntPtr.Zero,
    0x17,
    typeof(IThemeManager2).GUID,
    out var obj);
    if (obj == null)
    {
    Console.WriteLine($"Cannot create IThemeManager2 instance: {hr:x8}!");
    return;
    }

    var manager = (IThemeManager2)obj;
    manager.Init(InitializationFlags.ThemeInitNoFlags);
    manager.GetThemeCount(out var count);
    Console.WriteLine($"Count: {count}");
    for (var i = 0; i < count; i++)
    {
    manager.GetTheme(i, out var theme);
    string? visualStyle = null;
    try
    {
    var maybeVisualStyle = theme.VisualStyle1;
    if (maybeVisualStyle.Contains("msstyle"))
    visualStyle = maybeVisualStyle;
    }
    catch (Exception)
    {
    // ignored
    }

    try
    {
    var maybeVisualStyle = theme.VisualStyle1;
    if (maybeVisualStyle.Contains("msstyle"))
    visualStyle = maybeVisualStyle;
    }
    catch (Exception)
    {
    // ignored
    }

    Console.WriteLine(
    $"Name: {theme.DisplayName} VisualStyle: {visualStyle}");
    }
    });

    // shell crap is always STA
    t.SetApartmentState(ApartmentState.STA);
    t.Start();
    t.Join();
    }
    }
    }