5 files changed, 31 insertions, 0 deletions
diff --git a/iup/src/gtk/iupgtk_common.c b/iup/src/gtk/iupgtk_common.c
index d84c1c8..a27087e 100755
--- a/iup/src/gtk/iupgtk_common.c
+++ b/iup/src/gtk/iupgtk_common.c
@@ -107,6 +107,12 @@ void iupdrvRedrawNow(Ihandle *ih)
     gdk_window_process_updates(window, FALSE);
 }
 
+void iupdrvSetRedraw(Ihandle *ih, int value)
+{
+  (void)ih;
+  (void)value;
+}
+
 void iupdrvScreenToClient(Ihandle* ih, int *x, int *y)
 {
   gint win_x = 0, win_y = 0;
diff --git a/iup/src/iup_drv.h b/iup/src/iup_drv.h
index 1071347..ec8a253 100755
--- a/iup/src/iup_drv.h
+++ b/iup/src/iup_drv.h
@@ -66,6 +66,10 @@ void iupdrvPostRedraw(Ihandle *ih);
  * \ingroup drv */
 void iupdrvRedrawNow(Ihandle *ih);
 
+/** Sets if a control is drawable or not.
+ * \ingroup drv */
+void iupdrvSetRedraw(Ihandle *ih, int value);
+
 /** Reparent the native control.
  * \ingroup drv */
 void iupdrvReparent(Ihandle* ih);
diff --git a/iup/src/iup_layout.c b/iup/src/iup_layout.c
index 9387135..fc9dcf6 100755
--- a/iup/src/iup_layout.c
+++ b/iup/src/iup_layout.c
@@ -91,6 +91,16 @@ void IupRedraw(Ihandle* ih, int children)
     iLayoutDisplayRedrawChildren(ih);
 }
 
+void IupSetRedraw(Ihandle* ih, int value)
+{
+  iupASSERT(iupObjectCheck(ih));
+  if (!iupObjectCheck(ih))
+    return;
+
+  if (ih->handle && ih->iclass->nativetype != IUP_TYPEVOID)
+    iupdrvSetRedraw(ih, value);
+}
+
 void iupLayoutUpdate(Ihandle* ih)
 {
   Ihandle* child;
diff --git a/iup/src/mot/iupmot_common.c b/iup/src/mot/iupmot_common.c
index 286e075..554504f 100755
--- a/iup/src/mot/iupmot_common.c
+++ b/iup/src/mot/iupmot_common.c
@@ -235,6 +235,12 @@ void iupdrvRedrawNow(Ihandle *ih)
   XmUpdateDisplay(ih->handle);
 }
 
+void iupdrvSetRedraw(Ihandle *ih, int value)
+{
+  (void)ih;
+  (void)value;
+}
+
 void iupdrvScreenToClient(Ihandle* ih, int *x, int *y)
 {
   Window child;
diff --git a/iup/src/win/iupwin_common.c b/iup/src/win/iupwin_common.c
index 0f53e68..afa4235 100755
--- a/iup/src/win/iupwin_common.c
+++ b/iup/src/win/iupwin_common.c
@@ -100,6 +100,11 @@ void iupdrvRedrawNow(Ihandle *ih)
   RedrawWindow(ih->handle,NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_INTERNALPAINT|RDW_UPDATENOW);
 }
 
+void iupdrvRedrawNow(Ihandle *ih, int value)
+{
+  SendMessage(ih->handle, WM_SETREDRAW, value ? TRUE : FALSE, 0);
+}
+
 void iupdrvPostRedraw(Ihandle *ih)
 {
   /* Post a REDRAW */