diff --git a/funcext/tvclib/tcontrol.tsf b/funcext/tvclib/tcontrol.tsf
index af96dc2..0e5f253 100644
--- a/funcext/tvclib/tcontrol.tsf
+++ b/funcext/tvclib/tcontrol.tsf
@@ -1153,14 +1153,7 @@ type tcontrol = class(tcomponent)
         @explan(说明) 资源回收,子类请override该方法然后在destroy中调用 %%
         **}
         FFont := nil;
-        FMessagehandle := array();
-        {while true do 
-        begin
-        ci := FControls.Count;
-        if ci<1 then break;
-        cvi := FControls[ci-1];
-        cvi.SetParent(nil);
-        end }
+        FMessagehandle := array();     
         FSIDC.deleteid(FID);
         SetParent(nil);
         FOnClick := nil; //点击
diff --git a/funcext/tvclib/tslvcl.tsf b/funcext/tvclib/tslvcl.tsf
index 4aa260b..2597f48 100644
--- a/funcext/tvclib/tslvcl.tsf
+++ b/funcext/tvclib/tslvcl.tsf
@@ -2215,10 +2215,6 @@ type TTreeNode=class(TTreeCtlNode)
     begin
         inherited;
     end
-    function Destroy();override;
-    begin
-        inherited;
-    end
     function moveup();virtual;
     begin
         {**
@@ -2229,8 +2225,13 @@ type TTreeNode=class(TTreeCtlNode)
         if not bf then return false;
         ndp := parent;
         nd := self(true);
-        if ndp then
+        if ndp then 
         begin
+            ow := Owner;
+            if ow then  //锁定选择改变
+            begin
+                lk := ow.ExecuteCommand("addlocked",0);
+            end 
             ndp.deletenode(nd);
             ndp.insertnode(nd,bf);
             return true;
@@ -2247,6 +2248,11 @@ type TTreeNode=class(TTreeCtlNode)
         ndp := parent;
         if ndp then
         begin
+            ow := Owner;
+            if ow then //锁定选择改变
+            begin
+                lk := ow.ExecuteCommand("addlocked",0);
+            end 
             nd := self(true);
             ndp.deletenode(nd);
             ndp.insertnode(nd,ndp.indexof(bf)+1);
diff --git a/funcext/tvclib/twincontrol.tsf b/funcext/tvclib/twincontrol.tsf
index f13565b..77a8ec6 100644
--- a/funcext/tvclib/twincontrol.tsf
+++ b/funcext/tvclib/twincontrol.tsf
@@ -905,7 +905,7 @@ type TWinControl = class(tcontrol)
         FHandle := nil;
         for i := 0 to FControls.count-1 do
         begin
-            item := FControls.geti(i);
+            item := FControls[i];
             if(item is class(TWinControl))and item.WsPopUp then
             begin
                 item.DestroyHandle();
@@ -1782,7 +1782,6 @@ type TWinControl = class(tcontrol)
     begin
         FUpDateCount := 0;
         FTabStop := false;
-        FControls := new TFpList();
         FBorderStyle := bsNone;
         //FTRACKMOUSEEVENT := NEW TTRACKMOUSEEVENT();
         FWsPopUp := false;
@@ -1888,7 +1887,7 @@ type TWinControl = class(tcontrol)
     begin
         for i := 0 to FControls.count-1 do
         begin
-            item := FControls.geti(i);
+            item := FControls[i];
             if(item is class(TWinControl))then
             begin
                 item.HandleNeeded();
diff --git a/funcext/tvclib/utslvclauxiliary.tsf b/funcext/tvclib/utslvclauxiliary.tsf
index 35a3c12..270dc63 100644
--- a/funcext/tvclib/utslvclauxiliary.tsf
+++ b/funcext/tvclib/utslvclauxiliary.tsf
@@ -586,7 +586,7 @@ type tarray1dlk=class //
         **}
         if j>_len-1 then j := _len-1;
         if j<0 then j := 0;
-        if i=j or(i<0 and i>_len)then exit;
+        if i=j or(i<0 or i>_len)then exit; //修改
         sl := createserial(i,j);
         for ii := 0 to length(sl)-2 do
         begin
@@ -1045,6 +1045,59 @@ type tnumindexarray = Class() //栈模
     @param(Data)(array) 数据 %%
     **}
 end
+type tnumindexarrayex = class(tnumindexarray)
+    {**
+        @explan(说明) 扩展模拟数组 %%
+    **}
+    function create();
+    begin
+        inherited;
+    end 
+    function Deli(idx);
+    begin
+        r := splice(idx,1);
+        return r?true:false;
+    end 
+    function geti(i);
+    begin
+        return GetValueByIndex(i);
+    end 
+    function InsertBefor(it,idx);
+    begin
+        splice(idx,0,it);
+    end 
+    function clean();
+    begin
+        splice(nil,nil);
+    end 
+    function setorder(i,j);
+    begin
+        {**
+        @explan(说明) 设置元素位置 %%
+        @param(i)(integer)原始位置 %%
+        @param(j)(integer) 移动后的位置
+        **}
+        len := count-1;
+        if j>len then j := len;
+        if j<0 then j := 0;
+        if i=j or(i<0 or i>len)then exit;       
+        d := splice(i,1);
+        splice(j,0,d[0]);    
+    end
+    function append(v);
+    begin
+        Push(v);
+    end
+    function add(v) ;
+    begin
+        Push(v);
+    end 
+    function Remove(v);
+    begin
+        return deli(indexof(v));
+    end 
+    property count read length;
+end 
 //ifdef newgetop
 type trefarray = class() //数组成员引用模拟
     function create(d,bidxs); //构造函数
diff --git a/funcext/tvclib/utslvcltree.tsf b/funcext/tvclib/utslvcltree.tsf
index 69e5280..2ab7fce 100644
--- a/funcext/tvclib/utslvcltree.tsf
+++ b/funcext/tvclib/utslvcltree.tsf
@@ -108,7 +108,7 @@ type ttreelistwnd = class(TCustomScrollControl)
     begin
         inherited;
         FHashItems := array();
-        FItems := new TFpList();
+        FItems := new tnumindexarrayex();
         FColWidth := 10;
         FColCount := 0;
         FItemHeight := 25;
@@ -699,7 +699,7 @@ type TcustomTreeCtlNode = class(tsluibase) //
         FExpandWidth := 12;
         FBasePos := 10;
         FHierarchyWidth := 20;
-        FItems := new TFpList(); //子项
+        FItems := new tnumindexarrayex(); //子项
         FHierarchy :=-1;
         FEexpanded := false;
         FChecked := false;
@@ -1355,7 +1355,7 @@ type TcustomTreeCtlNode = class(tsluibase) //
     FHandle;
     FWidth;
     FOwner;
-    
+    ///////////节点成员
     FVisible;
     FDirtype;
     FImgId;
@@ -1372,12 +1372,7 @@ type TcustomTreeCtlNode = class(tsluibase) //
     private //普通属性设置
     function initnodehandle();
     begin
-        hd := new THandleClass();
-        try
-            FHandle := inttostr(int64(hd)); ////当前句柄唯一标识
-        except
-            FHandle := inttostr(gettslvariableptr(hd));
-        end;
+        FHandle := inttostr(int64(new THandleClass()));
     end 
     function SetWidth(w);virtual;
     begin
@@ -1536,6 +1531,10 @@ type TcustomTreeCtl = class(ttreelistwnd)
                 if FPaintArray then return FPaintArray[pm];
                 return 0;
             end 
+            "addlocked":
+            begin
+                return new tcountlocker(fcountlocker);
+            end 
             "emptynodeexpanding":
             begin 
                 if HandleAllocated()then