In fact, here's a quick example. You'll need a form with a picturebox and a command button.
[tt]
Option Explicit
Private Declare Function SetPolyFillMode Lib "gdi32" (ByVal hdc As Long, ByVal nPolyFillMode As Long) As Long
Private Declare Function Polygon Lib "gdi32" (ByVal hdc As Long, lpPoint As POINTAPI, ByVal nCount As Long) As Long
Private Type POINTAPI
x As Long
y As Long
End Type
Private Const ALTERNATE = 1
Private Const WINDING = 2
Private Sub Command1_Click()
Dim pts() As POINTAPI
ReDim pts(3)
pts(0).x = 20
pts(0).y = 20
pts(1).x = 100
pts(1).y = 100
pts(2).x = 20
pts(2).y = 100
Picture1.FillStyle = 0 ' solid fill
Call SetPolyFillMode(Picture1.hdc, WINDING)
Call Polygon(Picture1.hdc, pts(0), 3)
End Sub