DrawText with an array

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Hello this coding is based in 2008. Er, can anyone teach me how to convert in into visual 2012 version. I only know how to write in text, just add _T infront of it in DrawText.

C#

static const char* days[] = { "MON", "THU", "WED", "THR", "FRI" };



                    dc.DrawText( (days[i-1], 3, rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE );

The error is here.

childview.cpp(194): error C2664: 'int CDC::DrawTextW(LPCTSTR,int,LPRECT,UINT)' : cannot convert parameter 1 from 'const char *' to 'LPCTSTR'

Posted 12-Jun-14 12:27pm

Member 10446157

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Sergey Alexandrovich Kryukov · Accepted Answer · 2014-06-12T16:52:00

Solution 1

No, probably you did not get the purpose of _t :-).

In brief: to work with LPCTSTR, you would need to use TCHAR instead of char.

You need to understand those generic "T" types; their actual meaning is conditional, it depends on how you compile your code, as Unicode or not.

This CodeProject article provides good explanation of the matter: What are TCHAR, WCHAR, LPSTR, LPWSTR, LPCTSTR (etc.)?[^].

—SA

Posted 12-Jun-14 16:52pm

Sergey Alexandrovich Kryukov

Updated 12-Jun-14 16:54pm

v2

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Member 10446157 23-Jun-14 0:21am

thank you! :D

Sergey Alexandrovich Kryukov 23-Jun-14 0:28am

You are very welcome.
Good luck, call again.
—SA

future2015 · Accepted Answer · 2014-06-12T18:31:00

Solution 2

You have to use TCHAR.

C#

static const char* days[] = { "MON", "THU", "WED", "THR", "FRI" };



                    dc.DrawText( (_T(days[i-1]), 3, rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE );

Posted 12-Jun-14 18:31pm

future2015

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Member 10446157 23-Jun-14 0:21am

thank you!