大神帮帮忙啊
Private Type muxian
xb As Long
yb As Long
zb As Long
xe As Long
ye As Long
ze As Long
End Type
Private Type bianyaqi
x1b As Long
y1b As Long
z1b As Long
x1e As Long
y1e As Long
z1e As Long
End Type
Sub bianyaqi()
Dim am() As muxian
Dim xy As Variant
Dim m1 As Integer
Dim entity As AcadBlockReference
For Each entity In ThisDrawing.ModelSpace
ReDim Preserve am(m1)
Call entity.GetXData("", xdatatype, xdatavalue)
strcode1 = xdatavalue(1)
If strcode1 = "母线" Then
xy = entity.InsertionPoint
MsgBox ("xy") & xy(0)
With am(m1)
.xb = xy(0)
.yb = xy(1)
.zb = xy(2)
.xe = xy(0) + 70
.ye = xy(1)
.ze = xy(2)
End With
MsgBox ("am(i)=") & am(0).xb
End If
m1 = m1 + 1
Next
Dim pt As Variant
pt = ThisDrawing.Utility.GetPoint(, "指定点：")
For i = 0 To m1
If pt(0) > am(i).xb - 40 And pt(0) < am(i).xe + 40 And pt(1) > am(i).yb - 40 And pt(1) < am(i).ye + 40 Then
If Sqr((am(i).xb - pt(0)) ^ 2 + (am(i).yb - pt(1)) ^ 2) > Sqr((am(i).xe - pt(0)) ^ 2 + (am(i).ye - pt(1)) ^ 2) Then
pt(0) = am(i).xe
pt(1) = am(i).ye
pt(2) = am(i).ze
Else
pt(0) = am(i).xb
pt(1) = am(i).yb
pt(2) = am(i).zb
End If
End If
Next为什么不能给结构体赋值成功呢？？？？？？？？求指教啊
[解决办法]
m1=1
For Each entity In ThisDrawing.ModelSpace
ReDim Preserve am(m1)
