Show usage message in msgbox on Windows

vslavik · vslavik · commit 8fceb1685a1e · 2024-01-26T18:22:05.000+01:00
As the process is GUI one, it doesn't have stderr console and can't show
any wxCmdLineParser output there.
diff --git a/diff-pdf.cpp b/diff-pdf.cpp
@@ -931,9 +931,6 @@ int main(int argc, char *argv[])
 
     wxCmdLineParser parser(cmd_line_desc, argc, argv);
 
-    // Set default output to stderr
-    wxMessageOutput::Set(new wxMessageOutputStderr);
-
     switch ( parser.Parse() )
     {
         case -1: // --help

Original file line number	Diff line number	Diff line change
`@@ -931,9 +931,6 @@ int main(int argc, char *argv[])`
`931`	`931`
`932`	`932`	`wxCmdLineParser parser(cmd_line_desc, argc, argv);`
`933`	`933`
`934`		`- // Set default output to stderr`
`935`		`- wxMessageOutput::Set(new wxMessageOutputStderr);`
`936`		`-`
`937`	`934`	`switch ( parser.Parse() )`
`938`	`935`	`{`
`939`	`936`	`case -1: // --help`