use uno::Reference#clear() method...

...instead of assigning an empty value. Reduces code noise.

Change-Id: Ic95b081a41fb740a738c92b3407a9514ccb8b06e

4 files changed, 5 insertions, 5 deletions

diff --git a/svx/source/accessibility/svxrectctaccessiblecontext.cxx b/svx/source/accessibility/svxrectctaccessiblecontext.cxx
index bbb2797788d1..6c9fa05354e8 100644
--- a/svx/source/accessibility/svxrectctaccessiblecontext.cxx
+++ b/svx/source/accessibility/svxrectctaccessiblecontext.cxx
@@ -691,7 +691,7 @@ void SAL_CALL SvxRectCtlAccessibleContext::disposing()
                 mnClientId =  0;
             }
 
-            mxParent = Reference< XAccessible >();
+            mxParent.clear();
         }
     }
 }
@@ -1098,7 +1098,7 @@ void SAL_CALL SvxRectCtlChildAccessibleContext::disposing()
             mnClientId =  0;
         }
 
-        mxParent = Reference< XAccessible >();
+        mxParent.clear();
 
         delete mpBoundingBox;
     }
diff --git a/svx/source/form/formcontroller.cxx b/svx/source/form/formcontroller.cxx
index 776fa59094bf..9a0ee3ed3da0 100644
--- a/svx/source/form/formcontroller.cxx
+++ b/svx/source/form/formcontroller.cxx
@@ -2447,7 +2447,7 @@ Reference< XControl >  FormController::findControl(Sequence< Reference< XControl
                 if ( _bRemove )
                     ::comphelper::removeElementAt( _rControls, i );
                 else if ( _bOverWrite )
-                    *pControls = Reference< XControl >();
+                    pControls->clear();
                 return xControl;
             }
         }
diff --git a/svx/source/tbxctrls/tbcontrl.cxx b/svx/source/tbxctrls/tbcontrl.cxx
index e58ddaef6e8f..cfeb01e4735a 100644
--- a/svx/source/tbxctrls/tbcontrl.cxx
+++ b/svx/source/tbxctrls/tbcontrl.cxx
@@ -1835,7 +1835,7 @@ SvxStyleToolBoxControl::SvxStyleToolBoxControl(
     for ( sal_uInt16 i=0; i<MAX_FAMILIES; i++ )
     {
         pBoundItems[i] = 0;
-        m_xBoundItems[i] = Reference< XComponent >();
+        m_xBoundItems[i].clear();
         pFamilyState[i]  = NULL;
     }
 }
diff --git a/svx/source/xml/xmlgrhlp.cxx b/svx/source/xml/xmlgrhlp.cxx
index 438427da897e..3eaf770d4581 100644
--- a/svx/source/xml/xmlgrhlp.cxx
+++ b/svx/source/xml/xmlgrhlp.cxx
@@ -269,7 +269,7 @@ void SAL_CALL SvXMLGraphicOutputStream::closeOutput()
         throw NotConnectedException() ;
 
     mxStmWrapper->closeOutput();
-    mxStmWrapper = Reference< XOutputStream >();
+    mxStmWrapper.clear();
 
     mbClosed = sal_True;
 }