... do?
ATHENA
Chapter 2: Software & Operating System
ATHENA
Objective
~ What is the software?
~ How is software categorized?
~ What is an operating system ?
~ What does an operating system do?
ATHENA
What’s ... Desktop operating system
– Ex: Windows 95, Windows Me, Windows XP
ATHENA
Summary
~ Software
~ How is software categorized?
~ operating syste...
... you’re about to see has been presented and
discussed earlier in this chapter.
#include <Window.h>
#include <Application.h>
class SimpleWindow : public BWindow {
public:
SimpleWindow(BRect ... moving of windows is handled by the system, not by the SimpleApp code.
This simple demonstration emphasizes the power of the BeOS system software it
is the system software code (ra...
... = new MyHelloWindow(aRect);
alert = new BAlert("", "Close the My Hello window to quit.", "OK");
result = alert->Go();
}
This latest incarnation of MyHelloWorld ... constructor—illustrated in
this snippet:
BAlert *alert;
alert = new BAlert("Alert", "Close the My Hello window to quit", "OK");
The fourth and fifth parameters are op...
... DrawString("A");
MovePenTo(200.0, 110.0);
DrawString("B");
MovePenBy(100.0, 0.0);
DrawString("C");
}
Pen Size
The pen is used to draw shape outlines. Chapter 4 ... 20.0));
DrawString("Choose a color below, then move the cursor");
MovePenTo(BPoint(20.0, 35.0));
DrawString("outside of the color control and click the mouse button");
ori...