error C2065: 'WM_MOUSELEAVE' : undeclared identifier

coffeemlx

// Test32.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"
#include"stdio.h"
/*BOOL callback theProc(
  HWND hwndDlg,
  UINT uMsg,
  WPARAM wParam,
  LPARAM lParam
  );
  */
BOOL CALLBACK theProc(
  HWND hwndDlg,  // handle to dialog box
  UINT uMsg,     // message
  WPARAM wParam, // first message parameter
  LPARAM lParam  // second message parameter
)

{
switch (uMsg)
{
case WM_INITDIALOG:
MoveWindow(hwndDlg,100,80,200,250,FALSE);
SetWindowText(hwndDlg,"测试窗口标题");
return TRUE;
case WM_COMMAND:
switch(LOWORD (wParam))
{
case IDOK:
case IDCANCEL:
EndDialog(hwndDlg,wParam);
return TRUE;
}
break;
case WM_LBUTTONDOWN:
{
int x = LOWORD(lParam);
int y = HIWORD(lParam);
char s[200];
sprintf(s,"x = %d,y = %d",x,y);
MessageBox(hwndDlg,s,"提示",0);
}
return TRUE;
case WM_MOUSELEAVE:


{
int x = LOWORD(lParam);
int y = HIWORD(lParam);
char s[200];
sprintf(s,"x = %d,y = %d",x,y);
SetWindowText(hwndDlg,s);
}

return TRUE;

}
return FALSE;
}

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
        int nRet = DialogBox(hInstance,(LPCTSTR)IDD_MAIN_DLG,NULL,theProc);

return 0;
}

error C2065: 'WM_MOUSELEAVE' : undeclared identifier怎么回事？帮帮忙吧？

coffeemlx

Syc

coffeemlx 发表于 2016-2-14 11:47

看来楼主解决了，加油！