谁能帮我把这段代码翻译成c#的

[zxfsdbj]

Private Sub Section12_Format(ByVal pFormattingInfo As Object)
Select Case fldLastYearsSales.Value
Case Is < 1000
Set picCoupon.FormattedPicture = LoadPicture(App.Path & "\Coup20.bmp")
Case 1001 To 2000
Set picCoupon.FormattedPicture = LoadPicture(App.Path & "\Coup30.bmp")
Case 2001 To 3000
Set picCoupon.FormattedPicture = LoadPicture(App.Path & "\Coup40.bmp")
Case Is > 3000
Set picCoupon.FormattedPicture = LoadPicture(App.Path & "\Coup50.bmp")
End Select
End Sub

[syf2000119]

switch(fldLastYearsSales.Value)
{
case(判断语句): 语句组 break;
case
"
"
default: 语句组 break;

}

[thinkingforever]

Private void Section12_Format(object pFormattingInfo )
{
int temp =fldLastYearsSales.Value;
if(temp<1000)
{this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));}
if(temp>1000 && temp<2000){...}
....

}

[SpaceTime]

switch(Convert.ToInt32(fldLastYearsSales.Value))