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Fix for bug 36736. We need to create and ininiatize mRowGroupInfo before using it else we crash. R=hyatt

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ducarroz%netscape.com 2000-05-17 04:58:41 +00:00
parent 7020903b71
commit ae83b7156a
1 changed files with 12 additions and 0 deletions
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12
layout/xul/base/src/nsTreeRowGroupFrame.cpp
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@ -1793,6 +1793,18 @@ nsTreeRowGroupFrame::IndexOfRow(nsIPresContext* aPresContext,
PRBool
nsTreeRowGroupFrame::IsValidRow(PRInt32 aRowIndex)
{
if (!mRowGroupInfo) {
mRowGroupInfo = new nsTreeRowGroupInfo();
}
PRInt32 count = mRowGroupInfo->mRowCount;
if (count == -1) {
count = 0;
mRowGroupInfo->Clear();
ComputeTotalRowCount(count, mContent);
mRowGroupInfo->mRowCount = count;
}
if (aRowIndex >= 0 && aRowIndex < mRowGroupInfo->mRowCount)
return PR_TRUE;
return PR_FALSE;