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AnswerRe: How i get any scan image source library ? Pin
Richard MacCutchan26-Mar-19 23:49
mveRichard MacCutchan26-Mar-19 23:49 
QuestionI am trying to make a keyboard recorder for an app Pin
Member 1419098121-Mar-19 2:09
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AnswerRe: I am trying to make a keyboard recorder for an app Pin
Eddy Vluggen21-Mar-19 2:18
professionalEddy Vluggen21-Mar-19 2:18 
GeneralRe: I am trying to make a keyboard recorder for an app Pin
Member 1419098122-Mar-19 2:15
Member 1419098122-Mar-19 2:15 
GeneralRe: I am trying to make a keyboard recorder for an app Pin
Richard MacCutchan22-Mar-19 4:23
mveRichard MacCutchan22-Mar-19 4:23 
GeneralRe: I am trying to make a keyboard recorder for an app Pin
leon de boer24-Mar-19 6:54
leon de boer24-Mar-19 6:54 
GeneralRe: I am trying to make a keyboard recorder for an app Pin
Stefan_Lang24-Mar-19 22:25
Stefan_Lang24-Mar-19 22:25 
AnswerRe: I am trying to make a keyboard recorder for an app Pin
jschell23-Mar-19 5:37
jschell23-Mar-19 5:37 
GeneralRe: I am trying to make a keyboard recorder for an app Pin
Member 1419098127-Mar-19 2:02
Member 1419098127-Mar-19 2:02 
QuestionDot Net Version Pin
JM225119-Mar-19 20:44
JM225119-Mar-19 20:44 
GeneralRe: Dot Net Version Pin
David Crow20-Mar-19 4:09
David Crow20-Mar-19 4:09 
AnswerRe: Dot Net Version Pin
jschell23-Mar-19 5:39
jschell23-Mar-19 5:39 
AnswerRe: Dot Net Version Pin
Richard Deeming26-Mar-19 2:18
mveRichard Deeming26-Mar-19 2:18 
QuestionCADODatabase class: Currency parameters in SQL Pin
Don Stauffer18-Mar-19 12:31
Don Stauffer18-Mar-19 12:31 
AnswerRe: CADODatabase class: Currency parameters in SQL Pin
Richard MacCutchan18-Mar-19 22:41
mveRichard MacCutchan18-Mar-19 22:41 
GeneralRe: CADODatabase class: Currency parameters in SQL Pin
Don Stauffer19-Mar-19 7:26
Don Stauffer19-Mar-19 7:26 
GeneralRe: CADODatabase class: Currency parameters in SQL Pin
Richard MacCutchan19-Mar-19 7:45
mveRichard MacCutchan19-Mar-19 7:45 
GeneralRe: CADODatabase class: Currency parameters in SQL Pin
Don Stauffer19-Mar-19 10:54
Don Stauffer19-Mar-19 10:54 
GeneralRe: CADODatabase class: Currency parameters in SQL Pin
Don Stauffer19-Mar-19 12:00
Don Stauffer19-Mar-19 12:00 
QuestionClass member function as call back Pin
NoviceEx14-Mar-19 2:41
NoviceEx14-Mar-19 2:41 
AnswerRe: Class member function as call back Pin
Richard MacCutchan14-Mar-19 3:27
mveRichard MacCutchan14-Mar-19 3:27 
GeneralRe: Class member function as call back Pin
NoviceEx14-Mar-19 4:01
NoviceEx14-Mar-19 4:01 
GeneralRe: Class member function as call back Pin
Richard MacCutchan14-Mar-19 4:05
mveRichard MacCutchan14-Mar-19 4:05 
AnswerRe: Class member function as call back Pin
CPallini14-Mar-19 4:16
mveCPallini14-Mar-19 4:16 
AnswerRe: Class member function as call back Pin
Richard MacCutchan14-Mar-19 5:00
mveRichard MacCutchan14-Mar-19 5:00 
Try this, noting that Class (with capital C) is incorrect, it should be class. Also that B::proc needs to be static.
C++
#include <stdlib.h>
#include <stdio.h>

typedef int (*callback_fnc)(int);
void my_init_control(callback_fnc cb, int flags)
{
    cb(flags);
}

class B
{
public:
    void init()
    {
        my_init_control(&B::proc, 0);
    }

    static int proc(int msg) // it uses var1 and var2
    {
        printf("This is message number %d\n", msg);
        return 0;
    }
};

int main(
	)
{
    B bobj;
    bobj.init();

    return 0;
}

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