C / C++ / MFC

BOOL IsCellChecked(CGridCtrl &Grid, int row, int col)
{ 
   // Get the check state of a cell
   BOOL IsChecked = FALSE;
 
   // first we get a pointer to the cell
   CGridCell *pCell = Grid.GetCell(row, col);
 
   if (pCell != NULL)
   {
      // is the cell a checkbox cell
      CGridCellCheck *pCheck = dynamic_cast<CGridCellCheck *>(pCell);
 
      if (pCheck != NULL)
      {
         // we have a checkbox cell
         IsChecked = pCheck->GetCheck();
      }
   }
 
   return IsChecked;
}

graphics.DrawImage(img, 0, 0, width, height);

1980soyo wrote:

I'm trying to load picture which size is 256x256, but when I use DrawImage, the picture that is drawn within the client area is larger(about 30%).

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

Kleser wrote:

i need some help, how can i make that the user not be able to undock the toolbars from the mainframe?

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

s8 = (float)score8 - M;
V8 = (float)s8 * s8;

using namespace std;
int main(void)

{

double M, N, total, score1, score2, score3, score4, score5, score6, score7, score8,
       V1, V2, V3, V4, V5, V6, V7, V8, s1, s2, s3, s4, s5, s6, s7, s8, Variance;

score1 = 0.0;
score2 = 0.0;
score3 = 0.0;
score4 = 0.0;
score5 = 0.0;
score6 = 0.0;
score7 = 0.0;
score8 = 0.0;

cout << "Input the number of people in sample ";
cin >> N;
cout << "input the 1st score ";
cin >> score1;
cout << "input the 2nd score ";
cin >> score2;
cout << "input the 3rd score ";
cin >> score3;
cout << "input the 4th score ";
cin >> score4;
cout << "input the 5th score ";
cin >> score5;
cout << "input the 6th score ";
cin >> score6;
cout << "input the 7th score ";
cin >> score7;
cout << "input the 8th score ";
cin >> score8;
total = score1 + score2 + score3 + score4 + score5 + score6 + score7 + score8;
M = total / N;
cout << "the mean for these scores is: " << M << "\n";
s1 = score1 - M;
V1 = s1 * s1;
s2 = score2 - M;
V2 = s2 * s2;
s3 = score3 - M;
V3 = s3 * s3;
s4 = score4 - M;
V4 = s4 * s4;
s5 = score5 - M;
V5 = s5 * s5;
s6 = score6 - M;
V6 = s6 * s6;
s7 = score7 - M;
V7 = s7 * s7;
s8 = score8 - M;
V8 = s8 * s8;
Variance = (V1 + V2 + V3 + V4 + V5 + V6 + V7 + V8) / N;
cout << "the variance for these scores is: " << Variance << "\n";
return 0;

}

int main(void)
{
  int N = 0;
  double score[8];
  for (int i = 0; i < 8; i++) score[i] = 0.0;
  cout << "Enter number of people in sample [1-8] ";
  cin >> N;
  if ((N > 0) && (N <= 8)) {
    double total = 0;
    for (int i = 0; i < N; i++) {
      cout << "Enter score " << (i + 1) << " ";
      cin >> score[i];
      total = total + score[i];
    }
    double mean = total / (double)N;
    double variance = 0.0;
    for (int i = 0; i < N; i++) {
      variance = variance + ((score[i] - mean) * (score[i] - mean));
    }
    variance = variance / (double)N;
    cout << "Variance is " << variance;
  }
  else {
    cout << "Incorrect number of samples.";
  }
}