如图所示的一个Form,根据Case:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim junk As ZedGraph.ZedGraphControl
junk = ZedGraphControl2
junk.GraphPane.Title = "Test Case for VB"
junk.IsShowPointValues = False
Dim x(100) As Double
Dim y(100) As Double
Dim i As Integer
Randomize()
For i = 1 To 100
x(i) = i / 100 * 6.3
y(i) = Math.Sin(x(i))
Next
junk.GraphPane.AddCurve("Sine Wave", x, y, Color.Blue, ZedGraph.SymbolType.XCross)
junk.GraphPane.AxisFill = New ZedGraph.Fill(Color.White, Color.LightGoldenrodYellow)
junk.AxisChange()
End Sub
直接运行可以显示绘图,那么将该段代码置入Show的Buttom中,以Click为触发事件就无法绘图,请问各位如何解决?