commit 286fd56020380df59e8a6b0630a95fc5d9de846d
Author: Róka Miklós <miklos.roka@gmail.com>
Date:   Sat Jan 10 10:42:04 2026 +0100

    Initial check in

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..4f81845
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,13 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.pas text
+*.dfm text
+
+# Declare files that will always have CRLF line endings on checkout.
+
+# Denote all files that are truly binary and should not be modified.
+*.exe binary
+*.res binary
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9d14259
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,39 @@
+# IDE files
+*.~*
+*.cbk
+*.dsk
+*.identcache
+*.local
+*.skincfg
+*.stat
+*.tvsconfig
+__history/
+__recovery/
+.vscode/
+
+# Delphi Compiler output files
+*.dcu
+*.drc
+*.jdbg
+*.map
+*.plist
+*.rsm
+*.tds
+
+# 64bit Delphi files
+*.o
+
+# Added in XE8
+*.stat
+
+# Spring4D files
+*.bak
+*.ficfg
+*.mes
+Library/
+Logs/
+Samples/**/*.exe
+Tests/Bin/
+
+# TestInsight files
+TestInsightSettings.ini
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..109fb8a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src.virtualtree"]
+	path = src.virtualtree
+	url = https://github.com/JAM-Software/Virtual-TreeView.git
diff --git a/prj.virtualtree/Delphi12/VirtualTreeView.groupproj b/prj.virtualtree/Delphi12/VirtualTreeView.groupproj
new file mode 100644
index 0000000..b0f33e5
--- /dev/null
+++ b/prj.virtualtree/Delphi12/VirtualTreeView.groupproj
@@ -0,0 +1,48 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <PropertyGroup>
+        <ProjectGuid>{CC6A9541-DD5C-4BCD-8914-016D8D2EAB3B}</ProjectGuid>
+    </PropertyGroup>
+    <ItemGroup>
+        <Projects Include="VirtualTreesR.dproj">
+            <Dependencies/>
+        </Projects>
+        <Projects Include="VirtualTreesD.dproj">
+            <Dependencies>VirtualTreesR.dproj</Dependencies>
+        </Projects>
+    </ItemGroup>
+    <ProjectExtensions>
+        <Borland.Personality>Default.Personality.12</Borland.Personality>
+        <Borland.ProjectType/>
+        <BorlandProject>
+            <Default.Personality/>
+        </BorlandProject>
+    </ProjectExtensions>
+    <Target Name="VirtualTreesR">
+        <MSBuild Projects="VirtualTreesR.dproj"/>
+    </Target>
+    <Target Name="VirtualTreesR:Clean">
+        <MSBuild Projects="VirtualTreesR.dproj" Targets="Clean"/>
+    </Target>
+    <Target Name="VirtualTreesR:Make">
+        <MSBuild Projects="VirtualTreesR.dproj" Targets="Make"/>
+    </Target>
+    <Target Name="VirtualTreesD" DependsOnTargets="VirtualTreesR">
+        <MSBuild Projects="VirtualTreesD.dproj"/>
+    </Target>
+    <Target Name="VirtualTreesD:Clean" DependsOnTargets="VirtualTreesR:Clean">
+        <MSBuild Projects="VirtualTreesD.dproj" Targets="Clean"/>
+    </Target>
+    <Target Name="VirtualTreesD:Make" DependsOnTargets="VirtualTreesR:Make">
+        <MSBuild Projects="VirtualTreesD.dproj" Targets="Make"/>
+    </Target>
+    <Target Name="Build">
+        <CallTarget Targets="VirtualTreesR;VirtualTreesD"/>
+    </Target>
+    <Target Name="Clean">
+        <CallTarget Targets="VirtualTreesR:Clean;VirtualTreesD:Clean"/>
+    </Target>
+    <Target Name="Make">
+        <CallTarget Targets="VirtualTreesR:Make;VirtualTreesD:Make"/>
+    </Target>
+    <Import Project="$(BDS)\Bin\CodeGear.Group.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Group.Targets')"/>
+</Project>
diff --git a/prj.virtualtree/Delphi12/VirtualTreesD.dpk b/prj.virtualtree/Delphi12/VirtualTreesD.dpk
new file mode 100644
index 0000000..5cb90fc
--- /dev/null
+++ b/prj.virtualtree/Delphi12/VirtualTreesD.dpk
@@ -0,0 +1,41 @@
+package VirtualTreesD;
+
+{$R *.res}
+{$R '..\..\src.virtualtree\Design\VirtualTrees.dcr'}
+{$IFDEF IMPLICITBUILDING This IFDEF should not be used by users}
+{$ALIGN 8}
+{$ASSERTIONS ON}
+{$BOOLEVAL OFF}
+{$DEBUGINFO OFF}
+{$EXTENDEDSYNTAX ON}
+{$IMPORTEDDATA ON}
+{$IOCHECKS ON}
+{$LOCALSYMBOLS ON}
+{$LONGSTRINGS ON}
+{$OPENSTRINGS ON}
+{$OPTIMIZATION ON}
+{$OVERFLOWCHECKS OFF}
+{$RANGECHECKS OFF}
+{$REFERENCEINFO ON}
+{$SAFEDIVIDE OFF}
+{$STACKFRAMES OFF}
+{$TYPEDADDRESS OFF}
+{$VARSTRINGCHECKS ON}
+{$WRITEABLECONST OFF}
+{$MINENUMSIZE 1}
+{$IMAGEBASE $400000}
+{$DEFINE RELEASE}
+{$ENDIF IMPLICITBUILDING}
+{$DESCRIPTION 'VirtualTreeView Controls'}
+{$LIBSUFFIX '.290'}
+{$DESIGNONLY}
+{$IMPLICITBUILD OFF}
+
+requires
+  DesignIDE,
+  VirtualTreesR;
+
+contains
+  VirtualTreesReg in '..\..\src.virtualtree\Design\VirtualTreesReg.pas';
+
+end.
diff --git a/prj.virtualtree/Delphi12/VirtualTreesD.dproj b/prj.virtualtree/Delphi12/VirtualTreesD.dproj
new file mode 100644
index 0000000..9620e99
--- /dev/null
+++ b/prj.virtualtree/Delphi12/VirtualTreesD.dproj
@@ -0,0 +1,144 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <PropertyGroup>
+        <Base>True</Base>
+        <AppType>Package</AppType>
+        <Config Condition="'$(Config)'==''">Release</Config>
+        <DCC_DCCCompiler>DCC32</DCC_DCCCompiler>
+        <FrameworkType>VCL</FrameworkType>
+        <MainSource>VirtualTreesD.dpk</MainSource>
+        <Platform Condition="'$(Platform)'==''">Win32</Platform>
+        <ProjectGuid>{A34BA07B-19B6-4C21-9DEE-65FCA52D00AB}</ProjectGuid>
+        <ProjectVersion>20.3</ProjectVersion>
+        <TargetedPlatforms>1048577</TargetedPlatforms>
+        <ProjectName Condition="'$(ProjectName)'==''">VirtualTreesD</ProjectName>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Config)'=='Base' or '$(Base)'!=''">
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Base)'=='true') or '$(Base_Win32)'!=''">
+        <Base_Win32>true</Base_Win32>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="('$(Platform)'=='Win64x' and '$(Base)'=='true') or '$(Base_Win64x)'!=''">
+        <Base_Win64x>true</Base_Win64x>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Config)'=='Release' or '$(Cfg_1)'!=''">
+        <Cfg_1>true</Cfg_1>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Config)'=='Debug' or '$(Cfg_2)'!=''">
+        <Cfg_2>true</Cfg_2>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Base)'!=''">
+        <SanitizedProjectName>VirtualTreesD</SanitizedProjectName>
+        <DCC_DcuOutput>..\..\dcu\Delphi12\$(Platform)\$(Config)</DCC_DcuOutput>
+        <DCC_Description>VirtualTreeView Controls</DCC_Description>
+        <DCC_ImageBase>00400000</DCC_ImageBase>
+        <DCC_Namespace>System;Xml;Data;Datasnap;Web;Soap;Vcl;Vcl.Imaging;Vcl.Touch;Vcl.Samples;Vcl.Shell;$(DCC_Namespace)</DCC_Namespace>
+        <DCC_OutputNeverBuildDcps>true</DCC_OutputNeverBuildDcps>
+        <DCC_UnitSearchPath>..\..\dcu\Delphi12\$(Platform)\$(Config);$(DCC_UnitSearchPath)</DCC_UnitSearchPath>
+        <DesignOnlyPackage>true</DesignOnlyPackage>
+        <DllSuffix>.290</DllSuffix>
+        <GenDll>true</GenDll>
+        <GenPackage>true</GenPackage>
+        <VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
+        <VerInfo_Locale>1053</VerInfo_Locale>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Base_Win32)'!=''">
+        <DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;$(DCC_Namespace)</DCC_Namespace>
+        <DCC_UsePackage>vcl;VirtualTreesR;$(DCC_UsePackage)</DCC_UsePackage>
+        <Debugger_HostApplication>$(BDS)\BIN\Bds.exe</Debugger_HostApplication>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Base_Win64x)'!=''">
+        <DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;$(DCC_Namespace)</DCC_Namespace>
+        <BT_BuildType>Debug</BT_BuildType>
+        <VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
+        <VerInfo_Keys>CompanyName=;FileDescription=$(MSBuildProjectName);FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProgramID=com.embarcadero.$(MSBuildProjectName);ProductName=$(MSBuildProjectName);ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
+        <VerInfo_Locale>1033</VerInfo_Locale>
+        <BCC_EnableBatchCompilation>true</BCC_EnableBatchCompilation>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Cfg_1)'!=''">
+        <DCC_Define>RELEASE;$(DCC_Define)</DCC_Define>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Cfg_2)'!=''">
+        <DCC_Define>DEBUG;$(DCC_Define)</DCC_Define>
+        <DCC_GenerateStackFrames>true</DCC_GenerateStackFrames>
+        <DCC_Optimize>false</DCC_Optimize>
+    </PropertyGroup>
+    <ItemGroup>
+        <DelphiCompile Include="$(MainSource)">
+            <MainSource>MainSource</MainSource>
+        </DelphiCompile>
+        <DCCReference Include="..\..\src.virtualtree\Design\VirtualTrees.dcr"/>
+        <DCCReference Include="DesignIDE.dcp"/>
+        <DCCReference Include="VirtualTreesR.dcp"/>
+        <DCCReference Include="..\..\src.virtualtree\Design\VirtualTreesReg.pas"/>
+        <BuildConfiguration Include="Base">
+            <Key>Base</Key>
+        </BuildConfiguration>
+        <BuildConfiguration Include="Release">
+            <Key>Cfg_1</Key>
+            <CfgParent>Base</CfgParent>
+        </BuildConfiguration>
+        <BuildConfiguration Include="Debug">
+            <Key>Cfg_2</Key>
+            <CfgParent>Base</CfgParent>
+        </BuildConfiguration>
+    </ItemGroup>
+    <ProjectExtensions>
+        <Borland.Personality>Delphi.Personality.12</Borland.Personality>
+        <Borland.ProjectType>Package</Borland.ProjectType>
+        <BorlandProject>
+            <Delphi.Personality>
+                <Source>
+                    <Source Name="MainSource">VirtualTreesD.dpk</Source>
+                </Source>
+                <Excluded_Packages>
+                    <Excluded_Packages Name="$(BDSBIN)\dcloffice2k290.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
+                    <Excluded_Packages Name="$(BDSBIN)\dclofficexp290.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
+                </Excluded_Packages>
+                <VersionInfo>
+                    <VersionInfo Name="IncludeVerInfo">True</VersionInfo>
+                    <VersionInfo Name="AutoIncBuild">False</VersionInfo>
+                    <VersionInfo Name="MajorVer">1</VersionInfo>
+                    <VersionInfo Name="MinorVer">0</VersionInfo>
+                    <VersionInfo Name="Release">0</VersionInfo>
+                    <VersionInfo Name="Build">0</VersionInfo>
+                    <VersionInfo Name="Debug">False</VersionInfo>
+                    <VersionInfo Name="PreRelease">False</VersionInfo>
+                    <VersionInfo Name="Special">False</VersionInfo>
+                    <VersionInfo Name="Private">False</VersionInfo>
+                    <VersionInfo Name="DLL">False</VersionInfo>
+                    <VersionInfo Name="Locale">1053</VersionInfo>
+                    <VersionInfo Name="CodePage">1252</VersionInfo>
+                </VersionInfo>
+                <VersionInfoKeys>
+                    <VersionInfoKeys Name="CompanyName"/>
+                    <VersionInfoKeys Name="FileDescription"/>
+                    <VersionInfoKeys Name="FileVersion">1.0.0.0</VersionInfoKeys>
+                    <VersionInfoKeys Name="InternalName"/>
+                    <VersionInfoKeys Name="LegalCopyright"/>
+                    <VersionInfoKeys Name="LegalTrademarks"/>
+                    <VersionInfoKeys Name="OriginalFilename"/>
+                    <VersionInfoKeys Name="ProductName"/>
+                    <VersionInfoKeys Name="ProductVersion">1.0.0.0</VersionInfoKeys>
+                    <VersionInfoKeys Name="Comments"/>
+                </VersionInfoKeys>
+            </Delphi.Personality>
+            <Platforms>
+                <Platform value="Win32">True</Platform>
+                <Platform value="Win64">False</Platform>
+                <Platform value="Win64x">True</Platform>
+            </Platforms>
+        </BorlandProject>
+        <ProjectFileVersion>12</ProjectFileVersion>
+    </ProjectExtensions>
+    <Import Project="$(BDS)\Bin\CodeGear.Delphi.Targets" Condition="Exists('$(BDS)\Bin\CodeGear.Delphi.Targets')"/>
+    <Import Project="$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj" Condition="Exists('$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj')"/>
+</Project>
diff --git a/prj.virtualtree/Delphi12/VirtualTreesD.res b/prj.virtualtree/Delphi12/VirtualTreesD.res
new file mode 100644
index 0000000..39af2e2
Binary files /dev/null and b/prj.virtualtree/Delphi12/VirtualTreesD.res differ
diff --git a/prj.virtualtree/Delphi12/VirtualTreesR.dpk b/prj.virtualtree/Delphi12/VirtualTreesR.dpk
new file mode 100644
index 0000000..b35262c
--- /dev/null
+++ b/prj.virtualtree/Delphi12/VirtualTreesR.dpk
@@ -0,0 +1,61 @@
+package VirtualTreesR;
+
+{$R *.res}
+{$IFDEF IMPLICITBUILDING This IFDEF should not be used by users}
+{$ALIGN 8}
+{$ASSERTIONS ON}
+{$BOOLEVAL OFF}
+{$DEBUGINFO OFF}
+{$EXTENDEDSYNTAX ON}
+{$IMPORTEDDATA ON}
+{$IOCHECKS ON}
+{$LOCALSYMBOLS ON}
+{$LONGSTRINGS ON}
+{$OPENSTRINGS ON}
+{$OPTIMIZATION OFF}
+{$OVERFLOWCHECKS OFF}
+{$RANGECHECKS OFF}
+{$REFERENCEINFO ON}
+{$SAFEDIVIDE OFF}
+{$STACKFRAMES ON}
+{$TYPEDADDRESS OFF}
+{$VARSTRINGCHECKS ON}
+{$WRITEABLECONST OFF}
+{$MINENUMSIZE 1}
+{$IMAGEBASE $400000}
+{$DEFINE DEBUG}
+{$ENDIF IMPLICITBUILDING}
+{$LIBSUFFIX '.290'}
+{$RUNONLY}
+{$IMPLICITBUILD OFF}
+
+requires
+  vcl,
+  vclx;
+
+contains
+  VirtualTrees.Accessibility in '..\..\src.VirtualTree\Source\VirtualTrees.Accessibility.pas',
+  VirtualTrees.AccessibilityFactory in '..\..\src.VirtualTree\Source\VirtualTrees.AccessibilityFactory.pas',
+  VirtualTrees.Actions in '..\..\src.VirtualTree\Source\VirtualTrees.Actions.pas',
+  VirtualTrees.Classes in '..\..\src.VirtualTree\Source\VirtualTrees.Classes.pas',
+  VirtualTrees.ClipBoard in '..\..\src.VirtualTree\Source\VirtualTrees.ClipBoard.pas',
+  VirtualTrees.Colors in '..\..\src.VirtualTree\Source\VirtualTrees.Colors.pas',
+  VirtualTrees.DataObject in '..\..\src.VirtualTree\Source\VirtualTrees.DataObject.pas',
+  VirtualTrees.DragImage in '..\..\src.VirtualTree\Source\VirtualTrees.DragImage.pas',
+  VirtualTrees.DragnDrop in '..\..\src.VirtualTree\Source\VirtualTrees.DragnDrop.pas',
+  VirtualTrees.DrawTree in '..\..\src.VirtualTree\Source\VirtualTrees.DrawTree.pas',
+  VirtualTrees.EditLink in '..\..\src.VirtualTree\Source\VirtualTrees.EditLink.pas',
+  VirtualTrees.Export in '..\..\src.VirtualTree\Source\VirtualTrees.Export.pas',
+  VirtualTrees.Header in '..\..\src.VirtualTree\Source\VirtualTrees.Header.pas',
+  VirtualTrees.HeaderPopup in '..\..\src.VirtualTree\Source\VirtualTrees.HeaderPopup.pas',
+  VirtualTrees in '..\..\src.VirtualTree\Source\VirtualTrees.pas',
+  VirtualTrees.BaseTree in '..\..\src.VirtualTree\Source\VirtualTrees.BaseTree.pas',
+  VirtualTrees.AncestorVCL in '..\..\src.VirtualTree\Source\VirtualTrees.AncestorVCL.pas',
+  VirtualTrees.BaseAncestorVCL in '..\..\src.VirtualTree\Source\VirtualTrees.BaseAncestorVCL.pas',
+  VirtualTrees.StyleHooks in '..\..\src.VirtualTree\Source\VirtualTrees.StyleHooks.pas',
+  VirtualTrees.Types in '..\..\src.VirtualTree\Source\VirtualTrees.Types.pas',
+  VirtualTrees.Utils in '..\..\src.VirtualTree\Source\VirtualTrees.Utils.pas',
+  VirtualTrees.WorkerThread in '..\..\src.VirtualTree\Source\VirtualTrees.WorkerThread.pas';
+
+end.
+
diff --git a/prj.virtualtree/Delphi12/VirtualTreesR.dproj b/prj.virtualtree/Delphi12/VirtualTreesR.dproj
new file mode 100644
index 0000000..b6497e3
--- /dev/null
+++ b/prj.virtualtree/Delphi12/VirtualTreesR.dproj
@@ -0,0 +1,190 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <PropertyGroup>
+        <Base>True</Base>
+        <AppType>Package</AppType>
+        <Config Condition="'$(Config)'==''">Debug</Config>
+        <DCC_DCCCompiler>DCC32</DCC_DCCCompiler>
+        <FrameworkType>VCL</FrameworkType>
+        <MainSource>VirtualTreesR.dpk</MainSource>
+        <Platform Condition="'$(Platform)'==''">Win32</Platform>
+        <ProjectGuid>{B62F3689-96E1-47D5-9FB2-2A2718281FDB}</ProjectGuid>
+        <ProjectVersion>20.3</ProjectVersion>
+        <TargetedPlatforms>3</TargetedPlatforms>
+        <ProjectName Condition="'$(ProjectName)'==''">VirtualTreesR</ProjectName>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Config)'=='Base' or '$(Base)'!=''">
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Base)'=='true') or '$(Base_Win32)'!=''">
+        <Base_Win32>true</Base_Win32>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="('$(Platform)'=='Win64x' and '$(Base)'=='true') or '$(Base_Win64x)'!=''">
+        <Base_Win64x>true</Base_Win64x>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Config)'=='Release' or '$(Cfg_1)'!=''">
+        <Cfg_1>true</Cfg_1>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="('$(Platform)'=='Win64x' and '$(Cfg_1)'=='true') or '$(Cfg_1_Win64x)'!=''">
+        <Cfg_1_Win64x>true</Cfg_1_Win64x>
+        <CfgParent>Cfg_1</CfgParent>
+        <Cfg_1>true</Cfg_1>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Config)'=='Debug' or '$(Cfg_2)'!=''">
+        <Cfg_2>true</Cfg_2>
+        <CfgParent>Base</CfgParent>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="('$(Platform)'=='Win64x' and '$(Cfg_2)'=='true') or '$(Cfg_2_Win64x)'!=''">
+        <Cfg_2_Win64x>true</Cfg_2_Win64x>
+        <CfgParent>Cfg_2</CfgParent>
+        <Cfg_2>true</Cfg_2>
+        <Base>true</Base>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Base)'!=''">
+        <SanitizedProjectName>VirtualTreesR</SanitizedProjectName>
+        <DCC_DcuOutput>..\..\dcu\Delphi12\$(Platform)\$(Config)</DCC_DcuOutput>
+        <DCC_ImageBase>00400000</DCC_ImageBase>
+        <DCC_Namespace>System;Xml;Data;Datasnap;Web;Soap;Vcl;Vcl.Imaging;Vcl.Touch;Vcl.Samples;Vcl.Shell;$(DCC_Namespace)</DCC_Namespace>
+        <DCC_OutputNeverBuildDcps>true</DCC_OutputNeverBuildDcps>
+        <DllSuffix>.290</DllSuffix>
+        <GenDll>true</GenDll>
+        <GenPackage>true</GenPackage>
+        <DCC_UnitSearchPath>..\..\dcu\Delphi12\$(Platform)\$(Config);..\..\src.virtualtree\Source;$(DCC_UnitSearchPath)</DCC_UnitSearchPath>
+        <RuntimeOnlyPackage>true</RuntimeOnlyPackage>
+        <VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
+        <VerInfo_Locale>1053</VerInfo_Locale>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Base_Win32)'!=''">
+        <DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;$(DCC_Namespace)</DCC_Namespace>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Base_Win64x)'!=''">
+        <DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;$(DCC_Namespace)</DCC_Namespace>
+        <BT_BuildType>Debug</BT_BuildType>
+        <VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
+        <VerInfo_Keys>CompanyName=;FileDescription=$(MSBuildProjectName);FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProgramID=com.embarcadero.$(MSBuildProjectName);ProductName=$(MSBuildProjectName);ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
+        <VerInfo_Locale>1033</VerInfo_Locale>
+        <BCC_EnableBatchCompilation>true</BCC_EnableBatchCompilation>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Cfg_1)'!=''">
+        <DCC_DebugInformation>0</DCC_DebugInformation>
+        <DCC_Define>RELEASE;$(DCC_Define)</DCC_Define>
+        <DCC_LocalDebugSymbols>false</DCC_LocalDebugSymbols>
+        <DCC_SymbolReferenceInfo>0</DCC_SymbolReferenceInfo>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Cfg_1_Win64x)'!=''">
+        <VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
+        <VerInfo_Locale>1033</VerInfo_Locale>
+        <VerInfo_Keys>CompanyName=;FileDescription=$(MSBuildProjectName);FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProgramID=com.embarcadero.$(MSBuildProjectName);ProductName=$(MSBuildProjectName);ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Cfg_2)'!=''">
+        <DCC_Define>DEBUG;$(DCC_Define)</DCC_Define>
+        <DCC_GenerateStackFrames>true</DCC_GenerateStackFrames>
+        <DCC_Optimize>false</DCC_Optimize>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(Cfg_2_Win64x)'!=''">
+        <VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
+        <VerInfo_Locale>1033</VerInfo_Locale>
+        <VerInfo_Keys>CompanyName=;FileDescription=$(MSBuildProjectName);FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProgramID=com.embarcadero.$(MSBuildProjectName);ProductName=$(MSBuildProjectName);ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
+    </PropertyGroup>
+    <ItemGroup>
+        <DelphiCompile Include="$(MainSource)">
+            <MainSource>MainSource</MainSource>
+        </DelphiCompile>
+        <DCCReference Include="vcl.dcp"/>
+        <DCCReference Include="vclx.dcp"/>
+        <DCCReference Include="..\..\src.VirtualTree\Source\VirtualTrees.Accessibility.pas"/>
+        <DCCReference Include="..\..\src.VirtualTree\Source\VirtualTrees.AccessibilityFactory.pas"/>
+        <DCCReference Include="..\..\src.VirtualTree\Source\VirtualTrees.Actions.pas"/>
+        <DCCReference Include="..\..\src.VirtualTree\Source\VirtualTrees.Classes.pas"/>
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diff --git a/prj.virtualtree/Delphi12/VirtualTreesR.res b/prj.virtualtree/Delphi12/VirtualTreesR.res
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index 0000000..08cdae7
Binary files /dev/null and b/prj.virtualtree/Delphi12/VirtualTreesR.res differ
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..e69de29
diff --git a/src.virtualtree b/src.virtualtree
new file mode 160000
index 0000000..f9fe7df
--- /dev/null
+++ b/src.virtualtree
@@ -0,0 +1 @@
+Subproject commit f9fe7df9243e9a2a7f3cb1d122a1347eb8e8c3a0