update view from a for loop

Rabbit_May · #1 25-Mar-2005, 09:43

Dear all,

I have a document and a view, in the view class, I have a function like this:

CPP / C++ / C Code:

int i = 0; //global
int Num = 10;
void CTt3View::OnDraw(CDC* pDC){
    CString str;
    str.Format("Num: %d", Num);
    int x = 100;
    int y = i * 100;
    pDC->TextOut(x, y, str);
}

void CTt3View::OndialogButton() {
   for(i = 0; i < 3; i++)
   {
        Num += Num * 10;
       //here I want to call the OnDraw() function to update     
   }
}

does anyone know how to update the view? I tried the RedrawWindow() it only gives me the last Text, which means it only shows the last number which is Num3. it does not show the Num1 and Num2, does anyone know how to update the view?
I want
when i = 0: (output on view): Num = 100
when i = 1: (output on view): Num = 100
Num = 1100
when i = 2: (output on view): Num = 100
Num = 1100
Num = 12100
Thank you very much in advance!

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