Option Explicit

Private Sub Command1_Click()
Pic1.Cls
Pic1.FillColor = vbBlue
Pic1.FillStyle = 0
Pic1.Circle (Pic1.ScaleWidth / 2,Pic1.ScaleHeight / 2),Pic1.ScaleHeight / 2,vbBlue


End Sub

Private Sub Command2_Click()
Pic2.Cls
Pic2.FillColor = vbRed
Pic2.FillStyle = 2
Pic2.Circle (Pic2.ScaleWidth / 2,Pic2.ScaleHeight / 2),Pic2.ScaleWidth / 2,_
vbRed,0.5

End Sub

Private Sub Command3_Click()
Const pi = 3.1415926
Pic3.Cls
Pic3.FillColor = vbGreen
Pic3.FillStyle = 3
Pic3.Circle (Pic3.ScaleWidth / 2,Pic3.ScaleHeight / 2),_
Pic3.ScaleHeight / 2,vbRed,-pi / 2,-2 * pi

End Sub

成品图