VBA：使用AppendOuterLoop填充时，AppendInnerLoop不能使用非连续对象组吗？

157787698

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RT，请帮我看一下下面代码有没有问题，为什么总是在代码“hatchObj.AppendInnerLoop (innerLoop)”跳出？

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1. Sub Example_AppendInnerLoop()
   
2. ' This example creates an associative hatch in model space, and then appends an outer loop to the hatch.
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3. 
   
4. Dim hatchObj As AcadHatch
   
5. Dim patternName As String
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6. Dim PatternType As Long
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7. Dim bAssociativity As Boolean
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8. Dim innerLoop(0 To 1) As AcadEntity
   
9. 
   
10. ' Define the hatch
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11. patternName = "ANSI31"
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12. PatternType = 0
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13. bAssociativity = True
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14. 
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15. ' Create the associative Hatch object
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16. Set hatchObj = ThisDrawing.ModelSpace.AddHatch(PatternType, patternName, bAssociativity)
    
17. 
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18. ' Create the outer loop for the hatch.
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19. ' An arc and a line are used to create a closed loop.
    
20. 
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21. Dim outerLoop(0 To 1) As AcadEntity
    
22. Dim center(0 To 2) As Double
    
23. Dim radius As Double
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24. Dim startAngle As Double
    
25. Dim endAngle As Double
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26. center(0) = 50: center(1) = 30: center(2) = 0
    
27. radius = 30
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28. startAngle = 0
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29. endAngle = 3.141592
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30. Set outerLoop(0) = ThisDrawing.ModelSpace.AddArc(center, radius, startAngle, endAngle)
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31. Set outerLoop(1) = ThisDrawing.ModelSpace.AddLine(outerLoop(0).startPoint, outerLoop(0).endPoint)
    
32. 
    
33. 
    
34. center(0) = 35: center(1) = 40: center(2) = 0
    
35. radius = 5
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36. Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
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37. center(0) = 55: center(1) = 40: center(2) = 0
    
38. radius = 5
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39. Set innerLoop(1) = ThisDrawing.ModelSpace.AddCircle(center, radius)
    
40. 
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41. ' Append the outer loop to the hatch object
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42. hatchObj.AppendOuterLoop (outerLoop)
    
43. 
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44. ' Append a circle as the inner loop for the hatch.
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45. hatchObj.AppendInnerLoop (innerLoop)
    
46. 
    
47. ' Evaluate and display the hatch
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48. hatchObj.Evaluate
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49. hatchObj.PatternScale = 0.01
    
50. ThisDrawing.Regen True
    
51. 
    
52. End Sub
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53. 
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woaishuijia

边界必须是一个"环".两个圆应该是构成两个内边界.应该用两次"AppendInnerLoop"方法,每次添加一个"圆"内边界.

1. Sub Example_AppendInnerLoop()
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2. ' This example creates an associative hatch in model space, and then appends an outer loop to the hatch.
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3. 
   
4. Dim hatchObj As AcadHatch
   
5. Dim patternName As String
   
6. Dim PatternType As Long
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7. Dim bAssociativity As Boolean
   
8. 'Dim innerLoop(0 To 1) As AcadEntity
   
9. Dim innerLoop(0) As AcadEntity
   
10. 
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11. ' Define the hatch
    
12. patternName = "ANSI31"
    
13. PatternType = 0
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14. bAssociativity = True
    
15. 
    
16. ' Create the associative Hatch object
    
17. Set hatchObj = ThisDrawing.ModelSpace.AddHatch(PatternType, patternName, bAssociativity)
    
18. 
    
19. ' Create the outer loop for the hatch.
    
20. ' An arc and a line are used to create a closed loop.
    
21. 
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22. Dim outerLoop(0 To 1) As AcadEntity
    
23. Dim center(0 To 2) As Double
    
24. Dim radius As Double
    
25. Dim startAngle As Double
    
26. Dim endAngle As Double
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27. center(0) = 50: center(1) = 30: center(2) = 0
    
28. radius = 30
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29. startAngle = 0
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30. endAngle = 3.141592
    
31. Set outerLoop(0) = ThisDrawing.ModelSpace.AddArc(center, radius, startAngle, endAngle)
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32. Set outerLoop(1) = ThisDrawing.ModelSpace.AddLine(outerLoop(0).StartPoint, outerLoop(0).EndPoint)
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33. 
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34. ' Append the outer loop to the hatch object
    
35. hatchObj.AppendOuterLoop (outerLoop)
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36. 
    
37. center(0) = 35: center(1) = 40: center(2) = 0
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38. radius = 5
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39. Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
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40. 
    
41. ' Append a circle as the inner loop for the hatch.
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42. hatchObj.AppendInnerLoop (innerLoop)
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43. 
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44. center(0) = 55: center(1) = 40: center(2) = 0
    
45. radius = 5
    
46. Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
    
47. 
    
48. ' Append a circle as the inner loop for the hatch.
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49. hatchObj.AppendInnerLoop (innerLoop)
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50. 
    
51. ' Evaluate and display the hatch
    
52. hatchObj.Evaluate
    
53. hatchObj.PatternScale = 0.01
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54. ThisDrawing.Regen True
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55. 
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56. End Sub
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157787698

多谢woaishuijia