diff --git a/Signum.React/Scripts/Frames/ContainerToggle.tsx b/Signum.React/Scripts/Frames/ContainerToggle.tsx
index 074df7fc86..4954ef9058 100644
--- a/Signum.React/Scripts/Frames/ContainerToggle.tsx
+++ b/Signum.React/Scripts/Frames/ContainerToggle.tsx
@@ -19,7 +19,7 @@ export default function ContainerToggleComponent(p: { children: React.ReactNode
   }
 
   return (
-    <div className={classes(fluid ? "container-fluid" : "container", "mt-3", "d-flex")}>
+    <div className={classes(fluid ? "container-fluid" : "container", "mt-3", "sf-page-container")}>
       <a className="expand-window d-none d-md-block" onClick={handleExpandToggle} href="#" >
         <FontAwesomeIcon icon={fluid ? "compress" : "expand"} />
       </a>
diff --git a/Signum.React/Scripts/Frames/FramePage.tsx b/Signum.React/Scripts/Frames/FramePage.tsx
index ad9e88e258..d4ca219edd 100644
--- a/Signum.React/Scripts/Frames/FramePage.tsx
+++ b/Signum.React/Scripts/Frames/FramePage.tsx
@@ -178,7 +178,7 @@ export default function FramePage(p: FramePageProps) {
   const embeddedWidgets = renderEmbeddedWidgets(wc);
 
   return (
-    <div className="normal-control flex-grow-1">
+    <div className="normal-control">
       {renderTitle()}
       {renderWidgets(wc)}
       {entityComponent.current && <ButtonBar ref={buttonBar} frame={frame} pack={state.pack} />}
diff --git a/Signum.React/Scripts/Frames/Frames.css b/Signum.React/Scripts/Frames/Frames.css
index 7840525a66..fbc1065485 100644
--- a/Signum.React/Scripts/Frames/Frames.css
+++ b/Signum.React/Scripts/Frames/Frames.css
@@ -174,3 +174,12 @@ a.expand-window:hover {
 .card.card-xs .card-body {
     padding: 0.3em 0.5em;
 }
+
+
+.sf-page-container {
+  display: flex;
+}
+
+.sf-page-container > div{
+    flex-grow: 1;
+}
diff --git a/Signum.React/Scripts/Hooks.ts b/Signum.React/Scripts/Hooks.ts
index ede728e242..4fc848c92c 100644
--- a/Signum.React/Scripts/Hooks.ts
+++ b/Signum.React/Scripts/Hooks.ts
@@ -209,32 +209,40 @@ export function useMounted() {
   return mounted;
 }
 
-export function useThrottle<T>(value: T, limit: number): T {
+export function useThrottle<T>(value: T, limit: number, options?: { enabled?: boolean }): T {
   const [throttledValue, setThrottledValue] = React.useState(value);
 
-  const mounted = React.useRef(true);
   const lastRequested = React.useRef<(undefined | { value: T })>(undefined);
+  const handleRef = React.useRef<number | undefined>(undefined);
+
+  function stop(){
+    if (handleRef.current)
+      clearTimeout(handleRef.current);
+
+    lastRequested.current = undefined;
+  }
+
   React.useEffect(
     () => {
-      if (lastRequested.current) {
-        lastRequested.current.value = value;
+      if (options && options.enabled == false) {
+        stop();
       } else {
-        lastRequested.current = { value };
-        const handler = setTimeout(function () {
-          if (mounted.current) {
+        if (lastRequested.current) {
+          lastRequested.current.value = value;
+        } else {
+          lastRequested.current = { value };
+          handleRef.current = setTimeout(function () {
             setThrottledValue(lastRequested.current!.value);
-            lastRequested.current = undefined;
-
-            clearTimeout(handler);
-          }
-        }, limit);
+            stop();
+          }, limit);
+        }
       }
     },
-    [value, limit]
+    [value, options && options.enabled]
   );
 
   React.useEffect(() => {
-    return () => { mounted.current = false; }
+    return () => stop();
   }, []);
 
   return throttledValue;
diff --git a/Signum.React/Scripts/SearchControl/SearchPage.tsx b/Signum.React/Scripts/SearchControl/SearchPage.tsx
index 9d137331e9..8faafc07a2 100644
--- a/Signum.React/Scripts/SearchControl/SearchPage.tsx
+++ b/Signum.React/Scripts/SearchControl/SearchPage.tsx
@@ -56,7 +56,7 @@ function SearchPage(p: SearchPageProps) {
 
   if (!Finder.isFindable(fo.queryName, true))
     return (
-      <div id="divSearchPage" className="flex-grow-1">
+      <div id="divSearchPage">
         <h3>
           <span className="display-6 sf-query-title">{getQueryNiceName(fo.queryName)}</span>
           <small>Error: Query not allowed {Finder.isFindable(fo.queryName, false) ? "in full screen" : ""}</small>
@@ -66,7 +66,7 @@ function SearchPage(p: SearchPageProps) {
 
   var qs = Finder.getSettings(fo.queryName);
   return (
-    <div id="divSearchPage" className="flex-grow-1">
+    <div id="divSearchPage">
       <h3 className="display-6 sf-query-title">
         <span>{getQueryNiceName(fo.queryName)}</span>
         &nbsp;