diff --git a/designer/utslcodeeditor.tsf b/designer/utslcodeeditor.tsf
index 58098f4..41bbd85 100644
--- a/designer/utslcodeeditor.tsf
+++ b/designer/utslcodeeditor.tsf
@@ -2194,7 +2194,7 @@ type TEditer=class(TCustomcontrol) //
                 end
             end else //被其他程序修改
             begin
-                if Messageboxa(format("%s\r\n被其他程序修改是否重新加载",it.ScriptPath),"提示",1,self)=IDOK then
+                if Messageboxa(format("%s\r\n被其他程序修改是否重新加载",it.ScriptPath),"提示",mb_YesNo,self)=IDYES then
                 begin
                     LoadFromFile(it,true);
                 end else
diff --git a/funcext/tvclib/cstructurelib.tsf b/funcext/tvclib/cstructurelib.tsf
index 1bde53e..0ec3d64 100644
--- a/funcext/tvclib/cstructurelib.tsf
+++ b/funcext/tvclib/cstructurelib.tsf
@@ -1846,7 +1846,6 @@ type tcpointer=class(tcstruct,tmemoryclass)
                 begin
                     //echo "\r\nreade:",_ptr;
                     v := _tool.readstr(_ptr);
-                    //echo "readv:" ,v,datatype(v);
                     return v;
                 end else
                 begin
diff --git a/funcext/tvclib/tcontrol.tsf b/funcext/tvclib/tcontrol.tsf
index 0e5f253..b91cba4 100644
--- a/funcext/tvclib/tcontrol.tsf
+++ b/funcext/tvclib/tcontrol.tsf
@@ -277,7 +277,7 @@ type tcontrol = class(tcomponent)
         @explan(说明) 绑定处理函数到消息id %%
         **}
         if not ifarray(FMessagehandle)then FMessagehandle := array();
-        if ifnumber(id)and (datatype(func)=7)then FMessagehandle[id]:= func;
+        if ifnumber(id)and (iffuncptr(func))then FMessagehandle[id]:= func;
     end
     private //事件绑定处理
     static FClassDigestA;
diff --git a/funcext/tvclib/tcustomcontrol.tsf b/funcext/tvclib/tcustomcontrol.tsf
index 5ed7100..f71cc52 100644
--- a/funcext/tvclib/tcustomcontrol.tsf
+++ b/funcext/tvclib/tcustomcontrol.tsf
@@ -21,7 +21,7 @@ type tcustomcontrol=class(TWinControl)
     procedure Paint();override;
     begin
         inherited;
-        if datatype(FOnPaint)=7 then call(FOnPaint,self(true));
+        if iffuncptr(FOnPaint) then call(FOnPaint,self(true));
     end
     function ControlAppended(AControl);override; 
     begin
diff --git a/funcext/tvclib/tgraphiccontrol.tsf b/funcext/tvclib/tgraphiccontrol.tsf
index bd646b4..9b29901 100644
--- a/funcext/tvclib/tgraphiccontrol.tsf
+++ b/funcext/tvclib/tgraphiccontrol.tsf
@@ -39,7 +39,7 @@ type tgraphiccontrol = class(TControl)
         {**
         @explan(说明)控件绘制调用 ,使用Canvas属性和PAINTSTRUCT结构体 绘制控件 %%
         **}
-        if(datatype(FOnPaint)<> 7)or(not call(FOnPaint,self(true)))then
+        if(not iffuncptr(FOnPaint))or(not call(FOnPaint,self(true)))then
         begin
             canvas.Font := font;
             Canvas.DrawText(self.caption,self.ClientRect,DT_VCENTER .| DT_SINGLELINE .| DT_CENTER .| DT_NOPREFIX);
diff --git a/funcext/tvclib/tslvcl.tsf b/funcext/tvclib/tslvcl.tsf
index 2791ce9..0aa60c8 100644
--- a/funcext/tvclib/tslvcl.tsf
+++ b/funcext/tvclib/tslvcl.tsf
@@ -3680,7 +3680,7 @@ type TListView = class(TDrawGrid)
         {**
         @explan(说明) 检查项目 %%
         **}
-        if datatype(FOnCheckItem)=7 then
+        if iffuncptr(FOnCheckItem) then
         begin
             return call(FOnCheckItem,v);
         end
@@ -6366,7 +6366,7 @@ begin
     pc := paramcount;
     if pc<1 then return nil;
     f := params[1];
-    if datatype(f)<> 7 then return nil;
+    if not iffuncptr(f) then return nil;
     case pc of
         1:return call(f);
         2:return call(f,params[2]);
@@ -6374,18 +6374,6 @@ begin
         4:return call(f,params[2],params[3],params[4]);
     end;
     return nil;
-    {ps := params;
-    f := ps[0];
-    pms := ps[1:];
-    if datatype(f)<> 7 or not(ifarray(pms))then exit;
-    info := f.functioninfo();
-    pt := info["parameter"];
-    lpt := length(pt);
-    if(lpt=0)or length(pms)<= lpt then
-    begin
-        return callinarray(f,pms);
-    end else
-    return callinarray(f,pms[0:lpt-1]);}
 end
 function NotifyComponent(Acomponent,Act,AOwner);//通知控件
 begin
diff --git a/funcext/tvclib/ugtkinterface.tsf b/funcext/tvclib/ugtkinterface.tsf
index 7e34923..91febd3 100644
--- a/funcext/tvclib/ugtkinterface.tsf
+++ b/funcext/tvclib/ugtkinterface.tsf
@@ -5744,7 +5744,7 @@ type tgtk_ctl_object = class(_gtkeventtype)
     begin
         xxid := pms[1];
        c := FConnectHandlers[inttostr(xxid)];   
-       if datatype(c)=7 then 
+       if iffuncptr(c) then 
        begin
            pms2 := pms;
            pms2[0] := self;
diff --git a/funcext/tvclib/utslmemo.tsf b/funcext/tvclib/utslmemo.tsf
index c6150f6..e701d8e 100644
--- a/funcext/tvclib/utslmemo.tsf
+++ b/funcext/tvclib/utslmemo.tsf
@@ -113,7 +113,7 @@ TYPE TMemoLineList=class(tnumindexarray) //
     function DoColumnIncreased();
     begin
         //echo "\r\nIncreate:",FRowMaxLength;
-        //if Datatype(FOnMaxLengthIncrease)=7 then Call(FOnMaxLengthIncrease);
+        //if iffuncptr(FOnMaxLengthIncrease) then Call(FOnMaxLengthIncrease);
         //echo "\r\nincrease:",FRowMaxLength;
     end
     FEdit;
@@ -289,7 +289,7 @@ type TTslMenoUndoList=class() //undolist
     begin
         if fLockCount>0 then return nil;
         fItems.push(Item);
-        if datatype(fOnAdded)=7 then call(fOnAdded,Self(true));
+        if iffuncptr(fOnAdded) then call(fOnAdded,Self(true));
     end
     public
     function MergeReplaceItem(); //合并操作
diff --git a/funcext/tvclib/utslvclaction.tsf b/funcext/tvclib/utslvclaction.tsf
index c3a27ce..c4ad344 100644
--- a/funcext/tvclib/utslvclaction.tsf
+++ b/funcext/tvclib/utslvclaction.tsf
@@ -32,7 +32,7 @@ type TBasicAction=class(TComponent)
     **}
     procedure Change;virtual;
     begin
-        if datatype(FOnChange)=7 then call(FOnChange,self);
+        if iffuncptr(FOnChange) then call(FOnChange,self);
     end
     procedure SetOnExecute(Value:TNotifyEvent);virtual;
     begin
@@ -81,7 +81,7 @@ type TBasicAction=class(TComponent)
         if FOnExecute then
         begin
             e := new tuieventbase(0,0,0,0);
-            if datatype(FOnExecute)=7 then call(FOnExecute,self(true),e);
+            if iffuncptr(FOnExecute) then call(FOnExecute,self(true),e);
             return true;
         end
         return false;
@@ -355,7 +355,7 @@ type TBasicActionLink=class(TSLUIBASE)
     end
     procedure Change;virtual;
     begin
-        if datatype(FOnChange)=7 then call(OnChange,FAction);
+        if iffuncptr(FOnChange) then call(OnChange,FAction);
     end
     function IsOnExecuteLinked():Boolean;virtual;
     begin
diff --git a/funcext/tvclib/utslvclauxiliary.tsf b/funcext/tvclib/utslvclauxiliary.tsf
index 84ca930..858c5a0 100644
--- a/funcext/tvclib/utslvclauxiliary.tsf
+++ b/funcext/tvclib/utslvclauxiliary.tsf
@@ -5,6 +5,7 @@ unit utslvclauxiliary;
 //20221118 抽象计数锁定对象
 //20220914 移入tire树
 interface
+function iffuncptr(fn);
 function includestate(u,s);
 function excludestate(u,s);
 function makelong(low,high,ptrl);
@@ -357,8 +358,8 @@ type tarray1dlk=class //
     end
     function CallCompare(v1,v2,f);
     begin
-        if datatype(f)=7 then return call(f,v1,v2);
-        if datatype(FCompareValue)=7 then return call(FCompareValue,v1,v2);
+        if iffuncptr(f) then return call(f,v1,v2);
+        if iffuncptr(FCompareValue)then return call(FCompareValue,v1,v2);
         return v1=v2;
     end
     function append(v) //追加
@@ -538,7 +539,7 @@ type tarray1dlk=class //
         @explan(说明) 循环所有数据 %%
         @param(f)(fpointer) 处理函数 function(id,v) begin end  %%
         **}
-        if(datatype(f)<> 7)then return nil;
+        if not iffuncptr(f)then return nil;
         for i,v in _data do
         begin
             ret := call(f,i,v); //## f(i,v);
@@ -2250,6 +2251,11 @@ type tinstancemanager = class()
     fhandles;
 end 
 implementation
+function iffuncptr(fn);
+begin
+    //return datatype(fn)=7;
+    return ifobj(fn);
+end 
 function includestate(u,s);
 begin
     {**
@@ -2841,7 +2847,7 @@ begin
     {**
     @ignore(忽略)
     **}
-    if datatype(f)=7 then return call(f,o,e);
+    if iffuncptr(f) then return call(f,o,e);
 end
 function CheckArrayIsNumbers(Value,n);
 begin
@@ -3010,7 +3016,7 @@ begin
     //d:天软数据
     //tbw : 字符串,tab 宽度
     //ct 递归深度,忽略
-    case datatype(d)of
+    case datatype(d) of
         0,20:return inttostr(d);
         1:return floattostr(d);
         2:return tostn(d);
diff --git a/funcext/tvclib/utslvclgdi.tsf b/funcext/tvclib/utslvclgdi.tsf
index ccb5774..da68559 100644
--- a/funcext/tvclib/utslvclgdi.tsf
+++ b/funcext/tvclib/utslvclgdi.tsf
@@ -1732,7 +1732,7 @@ type TCustomImageList=class(tcomponent)
         {**
         @explan(说明) 修改时的回调 %%;
         **}
-        if FChanged and (datatype(FOnChange)=7) then call(FOnChange,self(true));
+        if FChanged and (iffuncptr(FOnChange)) then call(FOnChange,self(true));
         FChanged := false;
     end
     function GetIconSize();
diff --git a/funcext/tvclib/utslvclstdctl.tsf b/funcext/tvclib/utslvclstdctl.tsf
index aee9020..94fc2f8 100644
--- a/funcext/tvclib/utslvclstdctl.tsf
+++ b/funcext/tvclib/utslvclstdctl.tsf
@@ -236,7 +236,7 @@ type TCustomTimer = class(tcomponent)//
         {**
         @explan(说明)启动 %%	
         **}
-        if not((datatype(FOntimer) = 7 )and FInterval)>0 then return -1;
+        if not(iffuncptr(FOntimer) and FInterval>0) then return -1;
         if FStart then return FStart;
         ret := _wapi.SetTimer(nil,Fid,FInterval,gettimerptr(2));
         _kill0 := ret;
diff --git a/funcext/tvclib/uvclthreadworker.tsf b/funcext/tvclib/uvclthreadworker.tsf
index 2256f60..c4386a8 100644
--- a/funcext/tvclib/uvclthreadworker.tsf
+++ b/funcext/tvclib/uvclthreadworker.tsf
@@ -28,7 +28,7 @@ type tworkerclient = class(TArray)
     end 
     function DoOnMessage(d); //执行onmessage 任务
     begin
-        if datatype(FOnMessage)=7 then 
+        if iffuncptr(FOnMessage) then 
         begin 
             try
                 return call(FOnMessage,self,d);
@@ -291,7 +291,7 @@ type tworkerHost = class(TArray)
         FConnectHandle := h;   
         if h then 
         begin
-            if datatype(FOnStart)=7 then 
+            if iffuncptr(FOnStart) then 
             begin 
                 try
                     call(FOnStart,self);                    
@@ -330,7 +330,7 @@ type tworkerHost = class(TArray)
     end
     function DoOnError(d);//处理错误
     begin
-        if datatype(FOnError)=7 then 
+        if iffuncptr(FOnError) then 
         begin 
             try
                 return call(FOnError,self,d);
@@ -340,7 +340,7 @@ type tworkerHost = class(TArray)
     end 
     function DoOnMessage(d); //处理数据
     begin
-        if datatype(FOnMessage)=7 then 
+        if iffuncptr(FOnMessage) then 
         begin 
             try
                 return call(FOnMessage,self,d);
@@ -363,5 +363,10 @@ type tworkerHost = class(TArray)
     FOnStart;
     FConnectHandle; //句柄 
 end 
+function iffuncptr(fn);
+begin
+    //return datatype(fn)=7;
+    return ifobj(fn);
+end 
 initialization
 end.
\ No newline at end of file