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0023261: Checking handle value against NULL

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Checking handles using the IsNull() method.
Minor correction of compilation error (missing parentheses in function call)
This commit is contained in:
Pawel 2012-07-13 17:31:19 +04:00
parent f272f76c5a
commit 9e4c2fbb29
2 changed files with 2 additions and 2 deletions
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2
src/NIS/NIS_Surface.cxx
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@ -486,7 +486,7 @@ void NIS_Surface::SetDisplayMode (const NIS_Surface::DisplayMode theMode)
isUpdate = Standard_True;
}
}
if (isUpdate && GetDrawer()) {
if (isUpdate && !GetDrawer().IsNull()) {
const Handle(NIS_SurfaceDrawer) aDrawer =
static_cast<NIS_SurfaceDrawer *>(DefaultDrawer(0L));
aDrawer->Assign (GetDrawer());

2
src/ViewerTest/ViewerTest_ViewerCommands.cxx
View File

@ -2425,7 +2425,7 @@ V3d_LineItem::V3d_LineItem(Standard_Real X1, Standard_Real Y1,
myX1(X1), myY1(Y1), myX2(X2), myY2(Y2), myLayerMgr(theLayerMgr),
myType(theType), myWidth(theWidth), myTransparency(theTransp)
{
if (myLayerMgr && myLayerMgr->Overlay())
if (myLayerMgr && !myLayerMgr->Overlay().IsNull())
myLayerMgr->Overlay()->AddLayerItem (this);
}