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  1. #include <iostream> class Rectangle { public: Rectangle () : length(1),width(1) { } void set(int a_nL...

  2. ... 函式抓取視窗桌面影像, 所抓取影像的大小由傳入的java.awt. Rectangle 物件決定. 利用 java.awt.Toolkit 類別的 getScreenSize 函式得到...

  3. ...要圓還顯示 g.FillEllipse(Brushes.Red, New Rectangle (x - 10, y - 10, 20, 20)) End Sub Private Sub...

  4. ...)(2.0*PI*r*r)); } template< class T> class RECTANGLE : public CIRCLE { public: T area( T w, T h ); }; template...

  5. ... = 10; //圓圈半徑 private int x, y, dx, dy; //拖曳圓圈暫存變數 private Rectangle rectmp; Vector< Rectangle > circlist = new ...

  6. ...return "Circle: " + r + " (area: " + area() + ")"; } } class Rectangle extends Shape { double l, w; Rectangle (double d1, double...

  7. ...return a + b + c; } public double area() { return a * b / 2.0D; } } class Rectangle extends MyShape { double a, b; Rectangle (double length...

  8. ... = Me.CreateGraphics Dim s1 As Rectangle index += 1 For s As Integer = 0 To index...

  9. ...iostream>#include<stdlib.h>using namespace std;void circle();void rectangle ();void triangle();int main(){ int select; cout<<"...

  10. ...(h,&q); if(q.x!=p.x||q.y!=p.y){ SelectObject(d,r1); Rectangle (d,p.x-r,p.y-r,p.x+r,p.y+r); SelectObject(d,r2); p.x=q.x;p...