C / C++ / MFC

CMDIFrameWnd *pFrame = (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;

// Get the active MDI child window.
CMDIChildWnd *pChild = (CMDIChildWnd*)pFrame->GetActiveFrame();
// or CMDIChildWnd *pChild = pFrame->MDIGetActive();
// Get the active view attached to the active MDI child
// window.
CMyView *pView = (CMyView*)pChild->GetActiveView();

#include <stddef.h> 
#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 

#define FALSE 0
#define TRUE 1

/* Program 7.14 Sorting strings */
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#define BUFFER_LEN 100                 /* Length of input buffer            */
#define NUM_P 100                      /* maximum number of strings         */

int main(void)
{
  char buffer[BUFFER_LEN];            /* space to store an input string    */
  char *pS[NUM_P] = { NULL };         /* Array of string pointers          */
  char *pTemp = NULL;                 /* Temporary pointer                 */
  int i = 0;                          /* Loop counter                      */
  bool sorted = false;                /* Indicated when strings are sorted */
  int last_string = 0;                /* Index of last string entered      */

/* Program 7.14 Sorting strings */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define BUFFER_LEN 100                 /* Length of input buffer           */
#define NUM_P 100                      /* maximum number of strings        */
#define false 0
#define true 1

int main(void)
{
  char buffer[BUFFER_LEN];            /* space to store an input string    */
  char *pS[NUM_P] = { NULL };         /* Array of string pointers          */
  char *pTemp = NULL;                 /* Temporary pointer                 */
  int i = 0;                          /* Loop counter                      */
  int sorted = 0;		
  int last_string = 0;                /* Index of last string entered      */
  sorted = false;		      /* Indicated when strings are sorted */

double a;
sscanf_s("0.02", "%lf", &a);