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Work around or suppress gcc -Wunused-value warnings in wxMSW code.

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TDM-GCC 4.9.2 gave many of these warnings for the calls to Windows common
controls macros, avoid them by adding error reporting where it makes sense or
just suppressing the warning by explicitly casting to void elsewhere (e.g. for
the macros which have no meaningful return value at all or return something
that we're not interested in instead of just success/failure indicator).
This commit is contained in:
Vadim Zeitlin
2015-07-27 03:55:01 +02:00
parent 73a5c20613
commit b17b0ab151
4 changed files with 63 additions and 45 deletions
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8
src/msw/headerctrl.cpp
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@@ -90,7 +90,7 @@ bool wxHeaderCtrl::Create(wxWindow *parent,
// use 0 here but this starts to look ugly)
if ( wxApp::GetComCtl32Version() >= 600 )
{
Header_SetBitmapMargin(GetHwnd(), ::GetSystemMetrics(SM_CXEDGE));
(void)Header_SetBitmapMargin(GetHwnd(), ::GetSystemMetrics(SM_CXEDGE));
}
return true;
@@ -237,7 +237,8 @@ void wxHeaderCtrl::DoUpdate(unsigned int idx)
if ( !m_isHidden[idx] )
{
// but it wasn't hidden before, so remove it
Header_DeleteItem(GetHwnd(), MSWToNativeIdx(idx));
if ( !Header_DeleteItem(GetHwnd(), MSWToNativeIdx(idx)) )
wxLogLastError(wxS("Header_DeleteItem()"));
m_isHidden[idx] = true;
}
@@ -252,7 +253,8 @@ void wxHeaderCtrl::DoUpdate(unsigned int idx)
else // and it was shown before as well
{
// we need to remove the old column
Header_DeleteItem(GetHwnd(), MSWToNativeIdx(idx));
if ( !Header_DeleteItem(GetHwnd(), MSWToNativeIdx(idx)) )
wxLogLastError(wxS("Header_DeleteItem()"));
}
DoInsertItem(col, idx);