//DemoDlg. CPP: implementation file 
. 
. 
Void CAboutDlg: : OnTimer (UINT_PTR nIDEvent) 
{
//TODO: add the message handler code and/or invoke the default 
Static int t=0; 
Double THR. 
THR=thr_num2 [0] [t]; 
M_OS. AppendPoint (THR);//here appear problem, line 211 

t++; 

CDialogEx: : OnTimer (nIDEvent); 
} 

But in front of the same CPP has cited the variable, is not an error, here is the line 81-129

 BOOL CDemoDlg: : OnInitDialog () 
{
CDialogEx: : OnInitDialog (); 

//will "about... "Menu item added to the system menu, 

//IDM_ABOUTBOX must be in the system command range, 
ASSERT ((IDM_ABOUTBOX & amp; 0==IDM_ABOUTBOX xfff0)); 
ASSERT (IDM_ABOUTBOX & lt; 0 xf000); 

CMenu * pSysMenu=GetSystemMenu (FALSE); 
If (pSysMenu!=NULL) 
{
BOOL bNameValid; 
Cstrings strAboutMenu; 
BNameValid=strAboutMenu. LoadString (IDS_ABOUTBOX); 
ASSERT (bNameValid); 
if (! StrAboutMenu. IsEmpty ()) 
{
PSysMenu - & gt; The AppendMenu (MF_SEPARATOR); 
PSysMenu - & gt; AppendMenu (MF_STRING IDM_ABOUTBOX, strAboutMenu); 
} 
} 

//set this dialog ICONS, when the application is the main window is not a dialog, the framework will automatically 
//do this 
SetIcon (m_hIcon, TRUE);//set the large icon 
SetIcon (m_hIcon, FALSE);//set the small icon 

//TODO: add additional initialization code in the 
CRect rect1; 
GetDlgItem (IDC_OSCOPE) - & gt; GetWindowRect (rect1); 
The ScreenToClient (rect1); 


//create the control 
M_OS. Create (WS_VISIBLE | WS_CHILD, rect1, this); 

//customize the control 
M_OS. SetRange (10.0, 10.0, 1); 
M_OS. SetYUnits (" thrust "); 
M_OS. SetXUnits (" time "); 
M_OS. SetBackgroundColor (RGB (0, 0, 64)); 
M_OS. SetGridColor (RGB (192, 192, 255)); 
M_OS. SetPlotColor (RGB (255, 255, 255)); 


Return TRUE;//unless set focus to the control, return TRUE 
} 

The variables defined in the header file

 protected: 
HICON m_hIcon; 
COScopeCtrl m_OS; 

COScopeCtrl classes defined for oneself, also included in the header file 
//DemoDlg. H: header file 
//
# pragma once 
# include "OScopeCtrl. H" 

Pray god help!

CodePudding user response:

M_OS variable you are defined in the CDemoDlg class, it is in the CAboutDlg class to use it

CodePudding user response:

reference 1st floor VisualEleven response:

m_OS variable you are defined in the CDemoDlg class, it is in the CAboutDlg class use it

Should be the problem, I changed a try, thank you!

CodePudding user response:

Add a message to choose wrong

CodePudding user response:

Novice small white, I want to 1/f, 20 points and stick to, why always prompt me to points do not tally with the total score, cannot bear,,,