Private Sub Timer1_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Timer1.Tick Me.Text = Date.Now.ToString Dim FmGraphics As System.Drawing.Graphics FmGraphics = Me.CreateGraphics Dim TmLong As Double = 75 Dim HourPoint(1), MinutePoint(1), SecondPoint(1), OriginPoint As System.Drawing.PointF OriginPoint.X = 75 OriginPoint.Y = 75 Me.Refresh() Dim angle As Double angle = -0.5263 * (15 - (Hour(Now) + Minute(Now) / 60)) HourPoint(0).X = OriginPoint.X HourPoint(0).Y = OriginPoint.Y HourPoint(1).X = OriginPoint.X + 0.3 * TmLong * Cos(angle) HourPoint(1).Y = OriginPoint.Y + 0.3 * TmLong * Sin(angle) Dim FmPen As System.Drawing.Pen FmPen = New System.Drawing.Pen(System.Drawing.Color.Gold, 3) FmGraphics.DrawLine(FmPen, HourPoint(0), HourPoint(1)) angle = -0.1047 * (75 - (Minute(Now) + Second(Now) / 60)) MinutePoint(0).X = OriginPoint.X MinutePoint(0).Y = OriginPoint.Y MinutePoint(1).X = OriginPoint.X + 0.5 * TmLong * Cos(angle) MinutePoint(1).Y = 75 + 0.5 * TmLong * Sin(angle) FmPen = New System.Drawing.Pen(System.Drawing.Color.Red, 3) FmGraphics.DrawLine(FmPen, MinutePoint(0), MinutePoint(1)) angle = -0.5263 * (75 - Second(Now)) SecondPoint(0).X = OriginPoint.X SecondPoint(0).Y = OriginPoint.Y SecondPoint(1).X = OriginPoint.X + 0.7 * TmLong * Cos(angle / 5) SecondPoint(1).Y = OriginPoint.Y + 0.7 * TmLong * Sin(angle / 5) FmPen = New System.Drawing.Pen(System.Drawing.Color.White, 2) FmGraphics.DrawLine(FmPen, SecondPoint(0), SecondPoint(1)) FmGraphics.Dispose() End Sub |