如何比较以下代码的字符串? [英] How to Comparing the string for the below code?

问题描述

case WM_COMMAND:
           switch (LOWORD (wParam))
           {
               case IDC_PLAY:
                   static char textmessage[256];
                   SendMessage((HWND)lParam,WM_GETTEXT,(WPARAM)256,(LPARAM)textmessage);
                   MessageBox(NULL,textmessage,NULL,NULL);
                   if(textmessage=="PLAY")
                   {
                                        SetWindowText((HWND)lParam,"Stop");

                   }

我虽然没有进入"PLAY"，但我没有进入；
如何精确地比较这一点.我是新手，将这种情况用于WM_COMMAND和sendMessage

I am not entering in to the if though its "PLAY";
How to compare exactly this. I am new to use such cases for WM_COMMAND and sendMessage

推荐答案

change

来自

change

from

if(textmessage=="PLAY")

到

to

if( strncmp(textmessage, "PLAY", 4) == 0 )

(或使用CString).

(or use a CString).

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