making a window program

**DDX** · 03-19-2005

any easy tutorials which teach u how to make a window math program from scratch?

**The Brain** · 03-19-2005

http://www.cprogramming.com/tutorial/gl4.html

**DDX** · 03-19-2005

ill start reading it but its a window(not bill gates windows) application not console application right?

**The Brain** · 03-19-2005

This is not a DOS console application.. It's a pretty good tutorial about how to create a basic window using the Windows32 API. Basically, you'll set a bunch of attributes of a windows structure.. and register it with windows. Windows will interact with your program by sending messages to your program (in the form of WM_Message) which you will handle using a swtich/case structure.

Examples:

If the window is being resized, windows will issue WM_SIZE and WM_REPAINT messages

If the user clicks the red X, windows will issue a WM_DESTROY message

it's up to your program to handle these messages and react accordingly

**DDX** · 03-19-2005

Aha....i understood everything u said.....i hope ill manage to get something outta it.
k ........ myself......im too stupid...i tried understanding the whole thing since last 2 months when i heard about such thing and i wont understand now either......well ill go jump off a cliff

**chrismax2** · 03-19-2005

LOL I look forwad to your post, cause you really cheer me up!
Thanks,

By the way I am curious if you can't programme, why are you trying to write a windows programme? I mean you need to know how to write console programmes first and your trying to write something more advanced.

**DDX** · 03-19-2005

i just need a window program and im trying to learn but i get the first 3 tuts ut dunno what to do then....i just cant get it and im trying.

**DDX** · 03-19-2005

hmm k heres a tough one.
whats the code to make a console app know some aquivalents like this
7ap = 7p , p = 0,50

and what if i want to remember more than 1 aquation?
like
7*a*p = 7*p , p = 0,50
5*b*q = 5*q , q = 0,40
5*c*e = 5*e , e = 0,70

**~~cgod~~** · 03-19-2005

I dont get it what are you trying to write? a calculator ? if you have msn add me [email protected] i have some good WIN32 calculator examples that you might want.

**Hunter2** · 03-19-2005

I suspect it has something to do with this.

**DDX** · 03-19-2005

dont bother i managed to make this program

**DDX** · 03-20-2005

well the code has a problem and i cant find out what, pls HELP me fix it:

Code:

#include <iostream>

using namespace std;

int main()
{
   double operand1;
   double operand2;
   double operand3;
   double operand4;
   double operand5;
   double difference1;
   double difference2;
   double difference3;
   double difference4;
   double sum1;
   double sum2;
   double sum3;
   double sum4;

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Brezeln ein:\n";
   operand1 = readDouble();
   difference1 = (7 - operand1);

   printLine<<"Geben Sie bitte der Anzahl der übrig gebliebene Laugenbrötchen ein:\n";
   operand2 = readDouble();
   difference2 = (5 - operand2);

   printLine<<"Geben Sie bitte der Anzahl der übrig gebliebene Käsestangen ein:\n";
   operand3 = readDouble();
   difference3 = (5 - operand3);

   printLine("Geben Sie bitte der Anzahl der übrig gebliebene Laugencroissants ein:\n";
   operand4 = readDouble();
   difference4 = (5 - operand4);
   sum1 = (difference1 + difference2 + difference3 + difference4);

   printLine("Geben Sie bitte Kassenstand am Ende in € ein:\n";
   operand5 = readDouble ();

   
   double product1 = (difference1 * 0.50);
   double product2 = (difference2 * 0.40);
   double product3 = (difference3 * 0.70);
   double product4 = (difference4 * 0.65);
   sum2 = (10 + product1 + product2 + product3 + product4);
   sum3 = (operand1 * 0.50 + operand2 * 0.40 + operand3 * 0.70 + operand4 * 0.65);
   sum4 = (7 * 0.50 + 5 * 0.40 + 5 * 0.70 + 5 * 0.65 + 10);
   printLine("Kassenstand wenn alles verkauft worden sein würde:         " +sum4);
   printLine("So viel Geld müssen Sie in die Kasse haben:                        " +sum2);
   printLine("Preis der übrig gebliebene Waren:                                            " +sum3);
   printLine("Aktuelle Kassenstand am Ende:                                                " +operand5);
if(operand5 < sum2){
   printLine ("Gewinn oder Verlust:                                                                   -"+(operand5 - sum2));
}
if(operand5 > sum2){
   printLine("Gewinn oder Verlust:                                                                    +"+(operand5 - sum2));
}
if(operand5 == sum2){
   printLine("Gewinn oder Verlust:                                                                     "+(operand5 - sum2));
}

}

**mrafcho001** · 03-20-2005

Im not an expert, and i dont know german, but from what i can tell you are trying to get the user to input a number and subtract the number from sever or whatever ... you could have :

Code:

cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Brezeln ein:\n";
   cin >> operand1;
   difference1 = (7 - operand1);

i've never heard of readDouble() function in <iostream>

and also:

Code:

printLine<<"Geben Sie bitte der Anzahl der übrig gebliebene Laugenbrötchen ein:\n";

i've never heard of printLine, hoever maybe you got confused with the "printf" from C

you can use 'cout'

i fixed it up for you:

Code:

#include <iostream>

using namespace std;

int main()
{
   double operand1;
   double operand2;
   double operand3;
   double operand4;
   double operand5;
   double difference1;
   double difference2;
   double difference3;
   double difference4;
   double sum1;
   double sum2;
   double sum3;
   double sum4;

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Brezeln ein:\n";
   cin >> operand1;
   difference1 = (7 - operand1);

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Laugenbrötchen ein:\n";
   cin >> operand2;
   difference2 = (5 - operand2);

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Käsestangen ein:\n";
   cin >> operand3;
   difference3 = (5 - operand3);

   cout << "Geben Sie bitte der Anzahl der übrig gebliebene Laugencroissants ein:\n";
   cin >> operand4;
   difference4 = (5 - operand4);
   sum1 = (difference1 + difference2 + difference3 + difference4);

   cout << "Geben Sie bitte Kassenstand am Ende in € ein:\n";
   cin >> operand5;

   
   double product1 = (difference1 * 0.50);
   double product2 = (difference2 * 0.40);
   double product3 = (difference3 * 0.70);
   double product4 = (difference4 * 0.65);
   sum2 = (10 + product1 + product2 + product3 + product4);
   sum3 = (operand1 * 0.50 + operand2 * 0.40 + operand3 * 0.70 + operand4 * 0.65);
   sum4 = (7 * 0.50 + 5 * 0.40 + 5 * 0.70 + 5 * 0.65 + 10);
   cout << "Kassenstand wenn alles verkauft worden sein würde:         " + sum4;
   cout << "So viel Geld müssen Sie in die Kasse haben:                        " + sum2;
   cout << "Preis der übrig gebliebene Waren:                                            " + sum3;
   cout << "Aktuelle Kassenstand am Ende:                                                " + operand5;
if(operand5 < sum2){
   cout << "Gewinn oder Verlust:                                                                   -" + (operand5 - sum2);
}
if(operand5 > sum2){
   cout << "Gewinn oder Verlust:                                                                    +" + (operand5 - sum2);
}
if(operand5 == sum2){
   cout << "Gewinn oder Verlust:                                                                     " + (operand5 - sum2);
}

}

but here there is big problem.. you can not add a string to a number:

Code:

cout << "Kassenstand wenn alles verkauft worden sein würde:         " + sum4;
   cout << "So viel Geld müssen Sie in die Kasse haben:                        " + sum2;
   cout << "Preis der übrig gebliebene Waren:                                            " + sum3;
   cout << "Aktuelle Kassenstand am Ende:                                                " + operand5;
if(operand5 < sum2){
   cout << "Gewinn oder Verlust:                                                                   -" + (operand5 - sum2);
}
if(operand5 > sum2){
   cout << "Gewinn oder Verlust:                                                                    +" + (operand5 - sum2);
}
if(operand5 == sum2){
   cout << "Gewinn oder Verlust:                                                                     " + (operand5 - sum2);

maybe you are trying to get a number input and then add the thing to the number.. or something..

EDIT:

you dont need 'double' since you are only working with whole numbers.. you might want to use 'int'

**DDX** · 03-20-2005

Code:

#include <iostream>

using namespace std;

int main()
{
  int a;
  int b;
  int c;
  int d;
  int e;
  int f;
  int g;
  int h;
  int i;
  int j;
  int k;
  int l;
  int m;
  int n;
  int o;
  int p;
  int r;

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Brezeln ein: ");
   n = 7 - e;
   cin.ignore();

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Laugenbrötchen ein: /n");
   o = 5 - f;
   cin.ignore();

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Käsestangen ein: /n");
   p = 5 - g;
   cin.ignore();

   cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Laugencroissants ein: /n");
   r = 5 - h;
   cin.ignore();
   j = n + o + p + r;
   cin.ignore();

   cout<<"Geben Sie bitte Kassenstand am Ende in € ein: /n");


   a = n * 0.50;
   b = o * 0.40;
   c = p * 0.70;
   d = r * 0.65;
   k = 10 + a + b + c + d;
   l = e * 0.50 + f * 0.40 + g * 0.70 + h * 0.65;
   m = 7 * 0.50 + 5 * 0.40 + 5 * 0.70 + 5 * 0.65 + 10;

   cout<<"Kassenstand wenn alles verkauft worden sein würde:         " +m ;
   cout<<"So viel Geld müssen Sie in die Kasse haben:                        " +k ;
   cout<<"Preis der übrig gebliebene Waren:                                            " +l ;
   cout<<"Aktuelle Kassenstand am Ende:                                                " +i ;
   if( i < k ){
   cout<<"Gewinn oder Verlust:                                                                   -"+( i - k ;
}
   if( i > k ){
   cout<<"Gewinn oder Verlust:                                                                    +"+( i - k ;
}
   if( i == k ){
   cout<<"Gewinn oder Verlust:                                                                     "+( i - k ;
}
)

well i fixed some of my own . but can uy fix it right i get some errors i dont know how to fix when compiling.
all i want is that this console application lets the user input a number and thats the number from right...i under lined it .
'cout<<"Geben Sie bitte der Anzahl der übrig gebliebene Brezeln ein: ");
n = 7 - e;
cin.ignore();'
from there to the next code the user inputs a number
and the program displays from

Code:

 cout<<"Kassenstand wenn alles verkauft worden sein würde:         " +m ;

to the bottom.
i owe you.......thx for helping me out....u have no idea how thankfull i am

**DDX** · 03-20-2005

and the program needs to calculate all that and display result i want it to from cout<<"Kassenstand wenn alles verkauft worden sein würde: " +m ; to the bottom....thx again........ver very much!ure very kind

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