Imitation apple AppStore download progress bar

Previously written by the project itself, a Winfrom user control that mimics the Apple AppStore download progress bar, is drawn by GDI. Effect

1 usingSystem.Drawing;2 usingSystem.Windows.Forms;3 usingSystem.ComponentModel;4 namespaceTest5 {6      Public classCircleprogressbar:control7     {8         float_progress =0F;9         float_wpen =1;Ten         float_npen =5; One         float_fwidth =Ten; A[Description ("progress bar Color")] -          PublicColor Circlecolor -         { the             Get; -             Set; -         } -[Description ("outer diameter roughness")] +          Public floatWpenthin -         { +             Get{return_wpen;} A             Set{_wpen =value;} at         } -[Description ("thickness of inner ring")] -          Public floatNpenthin -         { -             Get{return_npen;} -             Set{_npen =value;} in         } -[Description ("Inner square side length")] to          Public floatFWITDH +         { -             Get{return_fwidth;} the             Set{_fwidth =value;} *         } $          Public voidpaintprogress (PaintEventArgs e)Panax Notoginseng         { -             floatx = This. Width/2; the             floaty = This. Height/2;//Center coordinates +             floatWr = X-wpenthin/2;//Outer ring Radius A             floatNr = X-npenthin/2;//Inner Ring Radius the             intWx = (int) (X-Wr); +             intWy = (int) (Y-WR);//Outer ring starting coordinates -             intNx = (int) (X-Nr); $             intNy = (int) (Y-NR);//Outer ring starting coordinates $             intFy = (int) (y-fwitdh/2); -             intFx = (int) (x-fwitdh/2);//Inner Square coordinates -Graphics DC = This. CreateGraphics (); thedc. Clear ( This. BackColor); -Pen Wpen =NewPen (Circlecolor, Wpenthin);WuyiPen Npen =NewPen (Circlecolor, Npenthin); theBrush Fbrush =NewSolidBrush (circlecolor); -dc. SmoothingMode =System.Drawing.Drawing2D.SmoothingMode.HighQuality; Wu             floatStartAngle =- -; -             floatSweepAngle = Progress/ -* the;//Starting Angle AboutRectangle Wrec =NewRectangle (Wx, Wy,2* (int) Wr,2* (int) Wr); $Rectangle Nrec =NewRectangle (Nx, Ny,2* (int) Nr,2* (int) Nr); -Rectangle Frec =NewRectangle (Fx, Fy, (int) FWITDH, (int) FWITDH); - DC. DrawEllipse (Wpen, wrec); - DC. FillRectangle (Fbrush, Frec); A DC. DrawArc (Npen, Nrec, StartAngle, sweepAngle); +         } the          Public floatProgress -         { $             Get{return_progress;} the             Set the             { the                 if(_progress! = value && value >=0&& value <= -) the                 { -_progress =value; in onprogresschanged (); the                 } the             } About         } the         protected Virtual voidonprogresschanged () the         { the              This. Invalidate (); +         } -         protected Override voidOnPaint (PaintEventArgs e) the         {Bayi paintprogress (e); the             Base. OnPaint (e); the         } -     } -}

Imitation apple AppStore download progress bar