Private Sub Picture1_Mousedown(Button As Integer, Shift As Integer, X As Single, Y As Single)
On Error Resume Next
Dim p(4) As Long, red(4) As Integer, blue(4) As Integer, i As Integer
For i = 0 To 4
p(i) = Picture1.Point(Array(X, X - 8, X + 8, X, X)(i), Array(Y, Y, Y, Y - 8, Y + 8)(i))
red(i) = p(i) Mod 256
blue(i) = (p(i) And &HFF0000) / 65536
Debug.Print red(i); " "; blue(i)
Next
If red(1) < 125 And blue(1) > 125 And red(2) > 125 And blue(2) < 125 Then MsgBox "左兰右红"
If red(2) < 125 And blue(2) > 125 And red(1) > 125 And blue(1) < 125 Then MsgBox "左红右兰"
If red(4) < 125 And blue(4) > 125 And red(3) > 125 And blue(3) < 125 Then MsgBox "上红下兰"
If red(3) < 125 And blue(3) > 125 And red(4) > 125 And blue(4) < 125 Then MsgBox "上兰下红"