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Use wxString's empty() when checking if the string is (non-)empty throughout wx.

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Instead of constructs such as if "( s.length() )" and "if (s.length() > 0)" use "if ( !s.empty() )" instead. Similarly for "if (s.length() == 0)" or "if ( s.IsNull() )", use "if ( s.empty() )".
No code changes intended except for a few instances where a construct like "if ( s.length() && wxFileExists(s) )" was changed to not check the length of the string and let wxFileExists handle such cases.



git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66728 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth
2011-01-22 14:38:36 +00:00
parent c9ed413ab4
commit 6636ef8ddf
47 changed files with 122 additions and 122 deletions
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8
src/msw/metafile.cpp
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@@ -177,13 +177,13 @@ wxMetafileDCImpl::wxMetafileDCImpl(wxDC *owner, const wxString& file)
m_maxY = -10000;
// m_title = NULL;
if (!file.IsNull() && wxFileExists(file))
if ( wxFileExists(file) )
wxRemoveFile(file);
if (!file.IsNull() && (file != wxEmptyString))
m_hDC = (WXHDC) CreateMetaFile(file);
else
if ( file.empty() )
m_hDC = (WXHDC) CreateMetaFile(NULL);
else
m_hDC = (WXHDC) CreateMetaFile(file);
m_ok = (m_hDC != (WXHDC) 0) ;