VB.net+MapX画椭圆为什么不显示呢?
代码如下,小弟菜鸟,请高手指点迷津
Private Sub CreateEllipse()
Dim rect As New MapXLib.Rectangle
Dim createdEllipse As MapXLib.Feature
Dim lyr As MapXLib.Layer = AxMap1.Layers.CreateLayer("Temp layer")
rect.Set(AxMap1.CenterX, AxMap1.CenterY, AxMap1.CenterX + 30, AxMap1.CenterY + 10)
createdEllipse = AxMap1.FeatureFactory.CreateEllipticalRegion(rect, 0, 24, AxMap1.DefaultStyle)
lyr.AddFeature(createdEllipse)
End Sub
代码应该没问题吧,可为什么就是不显示画出来的椭圆呢,运行之后是空白的,为什么啊,急!答对了分数增至100