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My meaning is every 2 seconds, the data line will be updated( the data line is something like wave), the data line overlap with the rectangle which have horiz.and vertical grids, in my program, when...

Dear All,
I have designed one Form, there is some draw inside, include an background rectangle and grids, and a data line.
I want to keep the rectangle and grids unchange, but the data refresh...

Dear All,
I have a program like:


void CProjDlg::OnCalculte()
{

typedef UINT (CALLBACK* LPFNDLLFUNC1)(INT,INT);
typedef UINT (CALLBACK* LPFNDLLFUNC2)(INT);
...

Dear All,
How to access parallel port under windows NT by using C++ programming?Thank you.

dear all,
i have one small program reading data from parallel port.


void CProjDlg::OnCalculte()
{


unsigned DataAddress=0x378;
int DataPort;

Thanks for your quickly response,Salem.
I have a program which can read the data from parallel port, but i expected not to save the data into a file, and plot the data on pc screen in real time....

Dear All,
i have data received from parallel port and how to plot them on the computer screen using visual c++? can anyone show me the simple program code? i have no such experience before. Thank u.

Dear All,
I have some date get from parallel port, how can i use these data to plot waveform at real time using Visual c++?
Thank you.

Dear All,
i have one program which can get the input of parallel port and display the value on window.


void CProjDlg::OnCalculte()
{


unsigned StatusAddress=0x378;
int...

Thank you,
How to use _inp(), it takes one parameter, while _outp() takes two parameters,are they?
i think it is just few lines(program) if display the signal in computer through parallel port,...

Dear all,
how to control parallel port using visual c++?when i send a data to parallel port, it will be displayed in computer screen, How to do that, Thank you.

thank you,
yes it is MFC,but how to set them both value and control? they just can be set as either value or control at one time, are they?

thank you, my idea was the same before, but i don't know how to
do that, my program will check R>S or S>R when i click ok, but before i click, it doesn't know it should show Q1 or Q2, so i abort,...

Dear All,
i have a dialog, four edit boxes on it, called R,S,Q1,Q2, I want to design when checking R<S,Q2 edit box is disable while Q1 still keeps able for user to enter value, when R>S,Q1 is...

Thank you Codeplug.
i am just an engineering student, a project required me to detect the heart beat pulse,(a circuit, which generates the pulses, has been provided)and display the waveform in...

Dear All,
I have heart beat signal in analog, after pass through ADC0804 and pass in computer through parallel port, how can I display the signal pulse in window in real time?assuming i can get the...

Thank you all,
i have solved the problem,the code is no problem, after i click rebuild all in build, it can run

My code is no any error, but cannot run.
the problem is caused by


private:
Cshunt shunt;
Ctcircuit tcircuit;


in the header file "lcircuit1.h"

Sorry
lcircuit2.h


#if !defined(AFX_LCIRCUIT2_H__8CC450C8_55E8_42D6_BD59_33E28683A1A8__INCLUDED_)
#define AFX_LCIRCUIT2_H__8CC450C8_55E8_42D6_BD59_33E28683A1A8__INCLUDED_

#include "shunt.h"...

Thank you.


private:
Cshunt shunt;
Ctcircuit tcircuit;

if i delete one function variable, then problem runs properly.

Dear,
It is possible to add more than one function variable in a class(not main class).
Sorry, i may not make the question clearly.
Thank you

Sorry, i am a new user. So cannot declare clearly.
The classes that i mean is MFC classes.Can different classes share one window, that means when i have some options, once i select one option, and...

Dear All,
can different classes share one dialog?
Thank you!

Dear All,
how to show an image on dialog in MFC?below the image, i want to add a command button called "Next" to let the program continues, how to do that?i think it is simple, but i am the new...

hi, everyone,
i have one circuit image, when i click the button "show" it will show the image, when i click"calculate" the program will caculate the value of components of the circuit, but it cannot...