commit cccf837dd3a84ace085c76856f7be6997c3b1aff
Author: alinvip22@gmail.com <alinvip22@gmail.com>
Date:   Fri Apr 7 11:04:43 2023 +0500

    Initial commit

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dfe0770
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text=auto
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9532800
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,69 @@
+# Uncomment these types if you want even more clean repository. But be careful.
+# It can make harm to an existing project source. Read explanations below.
+#
+# Resource files are binaries containing manifest, project icon and version info.
+# They can not be viewed as text or compared by diff-tools. Consider replacing them with .rc files.
+#*.res
+#
+# Type library file (binary). In old Delphi versions it should be stored.
+# Since Delphi 2009 it is produced from .ridl file and can safely be ignored.
+#*.tlb
+#
+# Diagram Portfolio file. Used by the diagram editor up to Delphi 7.
+# Uncomment this if you are not using diagrams or use newer Delphi version.
+#*.ddp
+#
+# Visual LiveBindings file. Added in Delphi XE2.
+# Uncomment this if you are not using LiveBindings Designer.
+#*.vlb
+#
+# Deployment Manager configuration file for your project. Added in Delphi XE2.
+# Uncomment this if it is not mobile development and you do not use remote debug feature.
+#*.deployproj
+#
+# C++ object files produced when C/C++ Output file generation is configured.
+# Uncomment this if you are not using external objects (zlib library for example).
+#*.obj
+#
+
+# Delphi compiler-generated binaries (safe to delete)
+*.exe
+*.dll
+*.bpl
+*.bpi
+*.dcp
+*.so
+*.apk
+*.drc
+*.map
+*.dres
+*.rsm
+*.tds
+*.dcu
+*.lib
+*.a
+*.o
+*.ocx
+
+# Delphi autogenerated files (duplicated info)
+*.cfg
+*.hpp
+*Resource.rc
+
+# Delphi local files (user-specific info)
+*.local
+*.identcache
+*.projdata
+*.tvsconfig
+*.dsk
+
+# Delphi history and backups
+__history/
+__recovery/
+*.~*
+
+# Castalia statistics file (since XE7 Castalia is distributed with Delphi)
+*.stat
+
+# Boss dependency manager vendor folder https://github.com/HashLoad/boss
+modules/
diff --git a/DarkModeApi.Consts.pas b/DarkModeApi.Consts.pas
new file mode 100644
index 0000000..425eefd
--- /dev/null
+++ b/DarkModeApi.Consts.pas
@@ -0,0 +1,35 @@
+unit DarkModeApi.Consts;
+
+interface
+
+{$IFDEF MSWINDOWS}
+
+uses
+  System.UITypes;
+
+const
+  BackColor: TColor = $1E1E1E;
+  TextColor: TColor = $F0F0F0;
+  InputBackColor: TColor = $303030;
+  Dwmapi = 'DWMAPI.DLL';
+  CDarkModeExplorer = 'DarkMode_Explorer';
+  CModeExplorer = 'Explorer';
+  CDarkModeControlCFD = 'DarkMode_CFD';
+  DWM_CLOAKED_APP = $0000001;
+  DWM_CLOAKED_SHELL = $0000002;
+  DWM_CLOAKED_INHERITED = $0000004;
+  ODS_NOACCEL = $0100;
+  WM_UAHDESTROYWINDOW = $0090;	// handled by DefWindowProc
+  WM_UAHDRAWMENU = $0091;	// lParam is UAHMENU
+  WM_UAHDRAWMENUITEM = $0092;	// lParam is UAHDRAWMENUITEM
+  WM_UAHINITMENU = $0093;	// handled by DefWindowProc
+  WM_UAHMEASUREMENUITEM = $0094;	// lParam is UAHMEASUREMENUITEM
+  WM_UAHNCPAINTMENUPOPUP = $0095;	// handled by DefWindowProc
+  WM_UAHUPDATE = $0096;
+
+{$ENDIF}
+
+implementation
+
+end.
+
diff --git a/DarkModeApi.FMX.pas b/DarkModeApi.FMX.pas
new file mode 100644
index 0000000..8d82dc6
--- /dev/null
+++ b/DarkModeApi.FMX.pas
@@ -0,0 +1,75 @@
+unit DarkModeApi.FMX;
+
+{$IFDEF MSWINDOWS}
+interface
+
+uses
+  FMX.Forms, FMX.Types;
+
+type
+  TFormHelper = class helper for TForm
+    procedure SetWindowColorModeAsSystem;
+    procedure SetWindowColorMode(IsDark: Boolean);
+    class function SystemIsDarkMode: Boolean;
+  end;
+
+  procedure SetWindowColorModeAsSystemFor(Handle: TWindowHandle);
+
+  procedure SetWindowColorModeFor(Handle: TWindowHandle; IsDark: Boolean);
+
+implementation
+
+uses
+  DarkModeApi, FMX.Platform.Win, Winapi.Windows;
+
+procedure SetWindowColorModeAsSystemFor(Handle: TWindowHandle);
+var
+  Value: LongBool;
+  WinHandle: HWND;
+begin
+  Value := IsDarkMode;
+  WinHandle := FmxHandleToHWND(Handle);
+  DwmSetWindowAttribute(WinHandle, ImmersiveDarkMode, Value, SizeOf(Value));
+  AllowDarkModeForWindow(WinHandle, Value);
+  AllowDarkModeForApp(Value);
+end;
+
+procedure SetWindowColorModeFor(Handle: TWindowHandle; IsDark: Boolean);
+var
+  Value: LongBool;
+  WinHandle: HWND;
+begin
+  Value := IsDark;
+  WinHandle := FmxHandleToHWND(Handle);
+  DwmSetWindowAttribute(WinHandle, ImmersiveDarkMode, Value, SizeOf(Value));
+  AllowDarkModeForWindow(WinHandle, Value);
+  AllowDarkModeForApp(Value);
+end;
+
+{ TFormHelper }
+
+procedure TFormHelper.SetWindowColorMode(IsDark: Boolean);
+begin
+  SetWindowColorModeFor(handle, IsDark);
+end;
+
+procedure TFormHelper.SetWindowColorModeAsSystem;
+begin
+  SetWindowColorModeAsSystemFor(Handle);
+end;
+
+class function TFormHelper.SystemIsDarkMode: Boolean;
+begin
+  Result := IsDarkMode;
+end;
+
+{$ELSE}
+
+interface
+
+implementation
+
+{$ENDIF}
+
+end.
+
diff --git a/DarkModeApi.Types.pas b/DarkModeApi.Types.pas
new file mode 100644
index 0000000..cc24f03
--- /dev/null
+++ b/DarkModeApi.Types.pas
@@ -0,0 +1,101 @@
+unit DarkModeApi.Types;
+
+{$IFDEF MSWINDOWS}
+{$ALIGN ON}
+{$MINENUMSIZE 4}
+{$WEAKPACKAGEUNIT}
+{$WARN SYMBOL_PLATFORM OFF}
+
+interface
+
+uses
+  Winapi.Windows;
+
+type
+  TWinRoundType = (wrtDEFAULT = 0, wrtDONOTROUND = 1, wrtROUND = 2, wrtROUNDSMALL = 3);
+
+  TDwmWindowAttribute = (DWMWA_NCRENDERING_ENABLED = 1, DWMWA_NCRENDERING_POLICY, DWMWA_TRANSITIONS_FORCEDISABLED, DWMWA_ALLOW_NCPAINT, DWMWA_CAPTION_BUTTON_BOUNDS, DWMWA_NONCLIENT_RTL_LAYOUT, DWMWA_FORCE_ICONIC_REPRESENTATION, DWMWA_FLIP3D_POLICY, DWMWA_EXTENDED_FRAME_BOUNDS, DWMWA_HAS_ICONIC_BITMAP, DWMWA_DISALLOW_PEEK, DWMWA_EXCLUDED_FROM_PEEK, DWMWA_CLOAK, DWMWA_CLOAKED, DWMWA_FREEZE_REPRESENTATION, DWMWA_PASSIVE_UPDATE_MODE, DWMWA_USE_HOSTBACKDROPBRUSH, DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1 = 19, DWMWA_USE_IMMERSIVE_DARK_MODE = 20, DWMWA_WINDOW_CORNER_PREFERENCE = 33, DWMWA_BORDER_COLOR, DWMWA_CAPTION_COLOR, DWMWA_TEXT_COLOR, DWMWA_VISIBLE_FRAME_BORDER_THICKNESS, DWMWA_SYSTEMBACKDROP_TYPE, DWMWA_LAST);
+
+  TDWMWindowCornerPreference = (DWMWCP_DEFAULT = 0, DWMWCP_DONOTROUND = 1, DWMWCP_ROUND = 2, DWMWCP_ROUNDSMALL = 3);
+
+  TImmersiveHCCacheMode = (IHCM_USE_CACHED_VALUE, IHCM_REFRESH);
+
+  TPreferredAppMode = (DefaultMode, AllowDarkMode, ForceDarkMode, ForceLightMode, ModeMax);
+
+  TWindowCompositionAttribute = (WCA_UNDEFINED = 0, //
+    WCA_NCRENDERING_ENABLED = 1, //
+    WCA_NCRENDERING_POLICY = 2, //
+    WCA_TRANSITIONS_FORCEDISABLED = 3, //
+    WCA_ALLOW_NCPAINT = 4, //
+    WCA_CAPTION_BUTTON_BOUNDS = 5, //
+    WCA_NONCLIENT_RTL_LAYOUT = 6, //
+    WCA_FORCE_ICONIC_REPRESENTATION = 7, //
+    WCA_EXTENDED_FRAME_BOUNDS = 8, //
+    WCA_HAS_ICONIC_BITMAP = 9, //
+    WCA_THEME_ATTRIBUTES = 10, //
+    WCA_NCRENDERING_EXILED = 11, //
+    WCA_NCADORNMENTINFO = 12, //
+    WCA_EXCLUDED_FROM_LIVEPREVIEW = 13, //
+    WCA_VIDEO_OVERLAY_ACTIVE = 14, //
+    WCA_FORCE_ACTIVEWINDOW_APPEARANCE = 15, //
+    WCA_DISALLOW_PEEK = 16, //
+    WCA_CLOAK = 17, //
+    WCA_CLOAKED = 18, //
+    WCA_ACCENT_POLICY = 19, //
+    WCA_FREEZE_REPRESENTATION = 20, //
+    WCA_EVER_UNCLOAKED = 21, //
+    WCA_VISUAL_OWNER = 22, //
+    WCA_HOLOGRAPHIC = 23, //
+    WCA_EXCLUDED_FROM_DDA = 24, //
+    WCA_PASSIVEUPDATEMODE = 25, //
+    WCA_USEDARKMODECOLORS = 26, //
+    WCA_LAST = 27);
+
+  TWindowCompositionAttrib = TWindowCompositionAttribute;
+
+  WINDOWCOMPOSITIONATTRIBDATA = record
+    Attrib: TWindowCompositionAttribute;
+    pvData: Pointer;
+    cbData: SIZE_T;
+  end;
+
+  TWindowCompositionAttribData = WINDOWCOMPOSITIONATTRIBDATA;
+
+  PWindowCompositionAttribData = ^TWindowCompositionAttribData;
+
+  TRtlGetNtVersionNumbers = procedure(var major, minor, build: DWORD); stdcall;
+
+  TSetWindowCompositionAttribute = function(hWnd: HWND; pData: PWindowCompositionAttribData): BOOL; stdcall;
+
+  TShouldAppsUseDarkMode = function: BOOL; stdcall;
+
+  TAllowDarkModeForWindow = function(hWnd: HWND; allow: BOOL): BOOL; stdcall;
+
+  TAllowDarkModeForApp = function(allow: BOOL): BOOL; stdcall;
+
+  TRefreshImmersiveColorPolicyState = procedure; stdcall;
+
+  TIsDarkModeAllowedForWindow = function(hWnd: HWND): BOOL; stdcall;
+
+  TGetIsImmersiveColorUsingHighContrast = function(mode: TImmersiveHCCacheMode): BOOL; stdcall;
+
+  TOpenNcThemeData = function(hWnd: HWND; pszClassList: LPCWSTR): THandle; stdcall;
+
+  TShouldSystemUseDarkMode = function: BOOL; stdcall;
+
+  TSetPreferredAppMode = function(appMode: TPreferredAppMode): TPreferredAppMode; stdcall;
+
+  TIsDarkModeAllowedForApp = function: BOOL; stdcall;
+
+implementation
+
+{$ELSE}
+
+interface
+
+implementation
+
+{$ENDIF}
+
+end.
+
diff --git a/DarkModeApi.Vcl.pas b/DarkModeApi.Vcl.pas
new file mode 100644
index 0000000..aa9a97a
--- /dev/null
+++ b/DarkModeApi.Vcl.pas
@@ -0,0 +1,62 @@
+unit DarkModeApi.Vcl;
+
+interface
+
+uses
+  Vcl.Forms;
+
+type
+  TFormHelper = class helper for TForm
+    procedure SetWindowColorModeAsSystem;
+    procedure SetWindowColorMode(IsDark: Boolean);
+    class function SystemIsDarkMode: Boolean;
+  end;
+
+  procedure SetWindowColorModeAsSystemFor(Handle: THandle);
+
+  procedure SetWindowColorModeFor(Handle: THandle; IsDark: Boolean);
+
+implementation
+
+uses
+  DarkModeApi, FMX.Platform.Win, Winapi.Windows;
+
+procedure SetWindowColorModeAsSystemFor(Handle: THandle);
+var
+  Value: LongBool;
+begin
+  Value := IsDarkMode;
+  DwmSetWindowAttribute(Handle, ImmersiveDarkMode, Value, SizeOf(Value));
+  AllowDarkModeForWindow(Handle, Value);
+  AllowDarkModeForApp(Value);
+end;
+
+procedure SetWindowColorModeFor(Handle: THandle; IsDark: Boolean);
+var
+  Value: LongBool;
+begin
+  Value := IsDark;
+  DwmSetWindowAttribute(Handle, ImmersiveDarkMode, Value, SizeOf(Value));
+  AllowDarkModeForWindow(Handle, Value);
+  AllowDarkModeForApp(Value);
+end;
+
+{ TFormHelper }
+
+procedure TFormHelper.SetWindowColorMode(IsDark: Boolean);
+begin
+  SetWindowColorModeFor(handle, IsDark);
+end;
+
+procedure TFormHelper.SetWindowColorModeAsSystem;
+begin
+  SetWindowColorModeAsSystemFor(Handle);
+end;
+
+class function TFormHelper.SystemIsDarkMode: Boolean;
+begin
+  Result := IsDarkMode;
+end;
+
+end.
+
diff --git a/DarkModeApi.pas b/DarkModeApi.pas
new file mode 100644
index 0000000..fcd5dc4
--- /dev/null
+++ b/DarkModeApi.pas
@@ -0,0 +1,255 @@
+unit DarkModeApi;
+
+{$IFDEF MSWINDOWS}
+
+{$WARN SYMBOL_PLATFORM OFF}
+
+interface
+
+// See also https://github.com/adzm/win32-custom-menubar-aero-theme
+
+uses
+  Winapi.Windows, DarkModeApi.Types;
+
+function DwmSetWindowAttribute(hwnd: HWND; dwAttribute: DWORD; pvAttribute: Pointer; cbAttribute: DWORD): HResult; stdcall; overload;
+
+function DwmSetWindowAttribute(hwnd: HWND; dwAttribute: TDwmWindowAttribute; var pvAttribute; cbAttribute: DWORD): HResult; stdcall; overload;
+
+function DwmSetWindowAttribute(hwnd: HWND; dwAttribute: TDwmWindowAttribute; var pvAttribute: TDWMWindowCornerPreference; cbAttribute: DWORD): HResult; stdcall; overload;
+
+/// <summary>
+/// Enables dark context menus which change automatically depending on the theme.
+/// </summary>
+procedure AllowDarkModeForApp(allow: BOOL); stdcall;
+
+function AllowDarkModeForWindow(hWnd: HWND; allow: Boolean): Boolean; stdcall;
+
+// See https://en.wikipedia.org/wiki/Windows_10_version_history
+function CheckBuildNumber(buildNumber: DWORD): Boolean;
+
+function IsWindows10OrGreater(buildNumber: DWORD = 10000): Boolean;
+
+function IsWindows11OrGreater(buildNumber: DWORD = 22000): Boolean;
+
+function IsDarkModeAllowedForWindow(hWnd: HWND): BOOL; stdcall;
+
+procedure RefreshImmersiveColorPolicyState; stdcall;
+
+procedure RefreshTitleBarThemeColor(hWnd: HWND);
+
+function ShouldAppsUseDarkMode: BOOL; stdcall;
+
+function ShouldSystemUseDarkMode: BOOL; stdcall;
+
+function ImmersiveDarkMode: TDwmWindowAttribute;
+
+/// <summary>
+/// Checks the system registry to see if Dark mode is enabled
+/// </summary>
+function IsDarkMode: Boolean;
+
+const
+  LOAD_LIBRARY_SEARCH_SYSTEM32 = $00000800;
+
+implementation
+
+uses
+  System.Classes,  System.SysUtils, DarkModeApi.Consts, System.Win.Registry;
+
+var
+  _AllowDarkModeForApp: TAllowDarkModeForApp = nil;
+  _AllowDarkModeForWindow: TAllowDarkModeForWindow = nil;
+  _GetIsImmersiveColorUsingHighContrast: TGetIsImmersiveColorUsingHighContrast = nil;
+  _IsDarkModeAllowedForWindow: TIsDarkModeAllowedForWindow = nil;
+  _OpenNcThemeData: TOpenNcThemeData = nil;
+  _RefreshImmersiveColorPolicyState: TRefreshImmersiveColorPolicyState = nil;
+  _SetPreferredAppMode: TSetPreferredAppMode = nil;
+  _SetWindowCompositionAttribute: TSetWindowCompositionAttribute = nil;
+  _ShouldAppsUseDarkMode: TShouldAppsUseDarkMode = nil;
+  _ShouldSystemUseDarkMode: TShouldSystemUseDarkMode = nil;
+  GDarkModeSupported: BOOL = False; // changed type to BOOL
+  GDarkModeEnabled: BOOL = False;
+  GUxTheme: HMODULE = 0;
+
+function DwmSetWindowAttribute(hwnd: hwnd; dwAttribute: DWORD; pvAttribute: Pointer; cbAttribute: DWORD): HResult; stdcall; overload; external Dwmapi name 'DwmSetWindowAttribute' delayed;
+
+function DwmSetWindowAttribute(hwnd: hwnd; dwAttribute: TDwmWindowAttribute; var pvAttribute: TDWMWindowCornerPreference; cbAttribute: DWORD): HResult; stdcall; overload; external Dwmapi name 'DwmSetWindowAttribute' delayed;
+
+procedure AllowDarkModeForApp(allow: BOOL);
+begin
+  if Assigned(_AllowDarkModeForApp) then
+    _AllowDarkModeForApp(allow)
+  else if Assigned(_SetPreferredAppMode) then
+  begin
+    if allow then
+      _SetPreferredAppMode(TPreferredAppMode.AllowDarkMode)
+    else
+      _SetPreferredAppMode(TPreferredAppMode.DefaultMode);
+  end;
+end;
+
+function DwmSetWindowAttribute(hwnd: hwnd; dwAttribute: TDwmWindowAttribute; var pvAttribute; cbAttribute: DWORD): HResult;
+begin
+  Result := DwmSetWindowAttribute(hwnd, Ord(dwAttribute), @pvAttribute, cbAttribute);
+end;
+
+function IsDarkModeAllowedForWindow(hWnd: hWnd): BOOL;
+begin
+  Result := Assigned(_IsDarkModeAllowedForWindow) and _IsDarkModeAllowedForWindow(hWnd);
+end;
+
+function GetIsImmersiveColorUsingHighContrast(mode: TImmersiveHCCacheMode): BOOL;
+begin
+  Result := Assigned(_GetIsImmersiveColorUsingHighContrast) and _GetIsImmersiveColorUsingHighContrast(mode);
+end;
+
+function ImmersiveDarkMode: TDwmWindowAttribute;
+begin
+  if IsWindows10OrGreater(18985) then
+    Result := DWMWA_USE_IMMERSIVE_DARK_MODE
+  else
+    Result := DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1;
+end;
+
+procedure RefreshImmersiveColorPolicyState;
+begin
+  if Assigned(_RefreshImmersiveColorPolicyState) then
+    _RefreshImmersiveColorPolicyState;
+end;
+
+function IsDarkMode: Boolean;
+var
+  LRegistry: TRegistry;
+begin
+  LRegistry := TRegistry.Create;
+  try
+    LRegistry.RootKey := HKEY_CURRENT_USER;
+    LRegistry.OpenKeyReadOnly('\SOFTWARE\Microsoft\Windows\CurrentVersion\Themes\Personalize');
+    Result := not LRegistry.ReadBool('AppsUseLightTheme');
+  finally
+    LRegistry.Free;
+  end;
+end;
+
+function ShouldSystemUseDarkMode: BOOL;
+begin
+  Result := Assigned(_ShouldSystemUseDarkMode) and _ShouldSystemUseDarkMode;
+end;
+function CheckBuildNumber(buildNumber: DWORD): Boolean;
+begin
+  Result :=
+    IsWindows10OrGreater(20348) or
+    IsWindows10OrGreater(19045) or  //
+    IsWindows10OrGreater(19044) or  //
+    IsWindows10OrGreater(19043) or  //
+    IsWindows10OrGreater(19042) or  //
+    IsWindows10OrGreater(19041) or  // 2004
+    IsWindows10OrGreater(18363) or  // 1909
+    IsWindows10OrGreater(18362) or  // 1903
+    IsWindows10OrGreater(17763);    // 1809
+end;
+
+function IsWindows10OrGreater(buildNumber: DWORD): Boolean;
+begin
+  Result := (TOSVersion.Major > 10) or ((TOSVersion.Major = 10) and (TOSVersion.Minor = 0) and (DWORD(TOSVersion.Build) >= buildNumber));
+end;
+
+function IsWindows11OrGreater(buildNumber: DWORD): Boolean;
+begin
+  Result := IsWindows10OrGreater(22000) or IsWindows10OrGreater(buildNumber);
+end;
+
+function AllowDarkModeForWindow(hWnd: hWnd; allow: Boolean): Boolean;
+begin
+  Result := GDarkModeSupported and _AllowDarkModeForWindow(hWnd, allow);
+end;
+
+function IsHighContrast: Boolean;
+var
+  highContrast: HIGHCONTRASTW;
+begin
+  highContrast.cbSize := SizeOf(highContrast);
+  if SystemParametersInfo(SPI_GETHIGHCONTRAST, SizeOf(highContrast), @highContrast, Ord(False)) then
+    Result := highContrast.dwFlags and HCF_HIGHCONTRASTON <> 0
+  else
+    Result := False;
+end;
+
+procedure RefreshTitleBarThemeColor(hWnd: hWnd);
+var
+  LUseDark: BOOL;
+  LData: TWindowCompositionAttribData;
+begin
+  LUseDark := _IsDarkModeAllowedForWindow(hWnd) and _ShouldAppsUseDarkMode and not IsHighContrast;
+  if TOSVersion.Build < 18362 then
+    SetProp(hWnd, 'UseImmersiveDarkModeColors', THandle(LUseDark))
+  else if Assigned(_SetWindowCompositionAttribute) then
+  begin
+    LData.Attrib := WCA_USEDARKMODECOLORS;
+    LData.pvData := @LUseDark;
+    LData.cbData := SizeOf(LUseDark);
+    _SetWindowCompositionAttribute(hWnd, @LData);
+  end;
+end;
+
+function ShouldAppsUseDarkMode: BOOL;
+begin
+  Result := Assigned(_ShouldAppsUseDarkMode) and _ShouldAppsUseDarkMode;
+end;
+
+procedure InitDarkMode;
+begin
+  if ((TOSVersion.Major = 10) and (TOSVersion.Minor = 0) and CheckBuildNumber(TOSVersion.Build)) then
+  begin
+    GUxTheme := LoadLibraryEx('uxtheme.dll', 0, LOAD_LIBRARY_SEARCH_SYSTEM32);
+    if GUxTheme <> 0 then
+    begin
+      @_AllowDarkModeForWindow := GetProcAddress(GUxTheme, MAKEINTRESOURCEA(133));
+      @_GetIsImmersiveColorUsingHighContrast := GetProcAddress(GUxTheme, MAKEINTRESOURCEA(106));
+      @_IsDarkModeAllowedForWindow := GetProcAddress(GUxTheme, MAKEINTRESOURCEA(137));
+      @_RefreshImmersiveColorPolicyState := GetProcAddress(GUxTheme, MAKEINTRESOURCEA(104));
+      @_SetWindowCompositionAttribute := GetProcAddress(GetModuleHandle(user32), 'SetWindowCompositionAttribute');
+      @_ShouldAppsUseDarkMode := GetProcAddress(GUxTheme, MAKEINTRESOURCEA(132));
+
+      var P := GetProcAddress(GUxTheme, MAKEINTRESOURCEA(135));
+      if TOSVersion.Build < 18362 then
+        @_AllowDarkModeForApp := P
+      else
+        @_SetPreferredAppMode := P;
+
+      if Assigned(_RefreshImmersiveColorPolicyState) and
+        Assigned(_ShouldAppsUseDarkMode) and Assigned(_AllowDarkModeForWindow) and
+        (Assigned(_AllowDarkModeForApp) or Assigned(_SetPreferredAppMode)) and
+        Assigned(_IsDarkModeAllowedForWindow) then
+      begin
+        GDarkModeSupported := True;
+        AllowDarkModeForApp(True);
+        _RefreshImmersiveColorPolicyState;
+        GDarkModeEnabled := ShouldAppsUseDarkMode and not IsHighContrast;
+      end;
+    end;
+  end;
+end;
+
+procedure DoneDarkMode;
+begin
+  if GUxTheme <> 0 then
+    FreeLibrary(GUxTheme);
+end;
+
+initialization
+  InitDarkMode;
+
+finalization
+  DoneDarkMode;
+
+{$ELSE}
+
+interface
+
+implementation
+
+{$ENDIF}
+
+end.
+
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..36f0e7d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 alinvip22@gmail.com
+
+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.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..f3cf38f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# WindowDarkMode
+ Dark mode for Window frame (Win only)