ImgMergeFrm.cpp: Fix the header bar widths not being calculated properly when the...

diff --git a/Src/ImgMergeFrm.cpp b/Src/ImgMergeFrm.cpp
index 30ad964..18e3507 100644 (file)
--- a/Src/ImgMergeFrm.cpp
+++ b/Src/ImgMergeFrm.cpp
@@ -985,7 +985,7 @@ void CImgMergeFrame::UpdateHeaderSizes()
                else
                {
                        for (int pane = 0; pane < nPaneCount; pane++)
-                               w[pane] = rc.Width() / nPaneCount - 4;
+                               w[pane] = rcMergeWindow.Width() / nPaneCount - 4;
                }
 
                if (!std::equal(m_nLastSplitPos, m_nLastSplitPos + nPaneCount - 1, w))