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- // ObjectWindows - (C) Copyright 1992 by Borland International
-
- #include <owl.h>
-
- // Declare TScrollApp, a TApplication descendant
- class TScrollApp : public TApplication {
- public:
- TScrollApp(LPSTR AName, HINSTANCE hInstance, HINSTANCE hPrevInstance,
- LPSTR lpCmdLine, int nCmdShow)
- : TApplication(AName, hInstance, hPrevInstance, lpCmdLine, nCmdShow) {};
- virtual void InitMainWindow();
- };
-
- // Declare TScrollWindow, a TWindow descendant
- class TScrollWindow : public TWindow
- {
- public:
- TScrollWindow(LPSTR ATitle);
- virtual void Paint(HDC PaintDC, PAINTSTRUCT& PaintInfo);
- };
-
- /* Constructor for a TScrollWindow, sets scroll styles and
- constructs the Scroller object. */
- TScrollWindow::TScrollWindow(LPSTR ATitle) : TWindow(NULL, ATitle)
- {
- Attr.Style |= WS_VSCROLL | WS_HSCROLL;
- Scroller = new TScroller(this, 8, 15, 80, 60);
- }
-
- /* Responds to an incoming "paint" message by redrawing boxes. Note
- that the Scroller's BeginView method, which sets the viewport origin
- relative to the present scroll position, has already been called. */
- void TScrollWindow::Paint(HDC PaintDC,PAINTSTRUCT&)
- {
- int X1, Y1, I;
-
- for (I = 0; I <= 49; ++I)
- {
- X1 = 10 + I*8;
- Y1 = 30 + I*5;
- Rectangle(PaintDC, X1, Y1, X1 + X1, X1 + Y1 * 2);
- }
- }
-
- // Construct the TScrollApp's MainWindow of type TScrollWindow
- void TScrollApp::InitMainWindow()
- {
- MainWindow = new TScrollWindow("Boxes");
- }
-
- // Run the ScrollApp
- int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
- LPSTR lpCmdLine, int nCmdShow)
- {
- TScrollApp ScrollApp("ScrollApp", hInstance, hPrevInstance,
- lpCmdLine, nCmdShow);
- ScrollApp.Run();
- return ScrollApp.Status;
- }