如何将此AutoCAD VBA代码转换为Python?

问题描述：

我正在尝试使用Python在AutoCAD中自动执行某些绘图，并且使用SelectOnScreen方法. 这是VBA中的代码:

I'm trying to automate some drawing in AutoCAD using Python and I work with SelectOnScreen method. Here is a code in VBA:

Dim FilterType(0) As Integer
Dim FilterData(0) As Variant
FilterType(0) = 0
FilterData(0) = "TEXT"
selection.SelectOnScreen FilterType, FilterData

在Python中，我将其用作:

In Python I use it as:

FilterType = win32com.client.VARIANT(VT_ARRAY|VT_I2, [0]) 
FilterData = win32com.client.VARIANT(VT_ARRAY|VT_VARIANT, ['TEXT'])
selection.SelectOnScreen(FilterType, FilterData)

，它可在AutoCAD中使用. 但是我想选择不同类型的对象(文本和多行文本)，并且在VBA中有一个代码示例.那么如何将以下VBA代码转换为Python?

and it works in AutoCAD. However I want to select different types of object (texts and mtexts) and I have an example of code in VBA. So how to translate the following VBA code into Python?

Dim FilterType(1) As Integer
Dim FilterData(1) As Variant
FilterType(0) = 0
FilterData(0) = "Text"
FilterType(1) = 0
FilterData(1) = "MText"
selection.SelectOnScreen FilterType, FilterData

这是我尝试的Python代码尝试，但在AutoCAD中不起作用:

Here is my attempt of Python code I've tried, but it doesn't work in AutoCAD:

FilterType = win32com.client.VARIANT(VT_ARRAY|VT_I2, [0, 0]) 
FilterData = win32com.client.VARIANT(VT_ARRAY|VT_VARIANT, ["MTEXT", "TEXT"])
selection.SelectOnScreen(FilterType, FilterData)

当我尝试使用它时什么也没选择.

Nothing selects when I try to use it.

答

您的代码无法选择任何内容的原因是因为选择过滤器具有隐式的 AND 逻辑，因此对象不能同时是TEXT 和 MTEXT.

The reason that your code fails to select anything is because the selection filter has an implicit AND logic, hence an object cannot be both TEXT and MTEXT.

由于选择过滤器将允许通配符匹配，因此可以使用以下内容:

Since the selection filter will permit a wildcard match, you can use the following:

FilterType = win32com.client.VARIANT(VT_ARRAY|VT_I2, [0]) 
FilterData = win32com.client.VARIANT(VT_ARRAY|VT_VARIANT, ['TEXT,MTEXT'])
selection.SelectOnScreen(FilterType, FilterData)

或者，如果您不担心选择RTEXT的可能性:

Or, if you're not fussed about the possibility of selecting RTEXT:

FilterType = win32com.client.VARIANT(VT_ARRAY|VT_I2, [0]) 
FilterData = win32com.client.VARIANT(VT_ARRAY|VT_VARIANT, ['*TEXT'])
selection.SelectOnScreen(FilterType, FilterData)

您也可以将逻辑运算符<OR和OR>与组代码-4结合使用:

You can alternatively use the logical operators <OR and OR> in conjunction with the group code -4:

FilterType = win32com.client.VARIANT(VT_ARRAY|VT_I2, [-4, 0, 0, -4]) 
FilterData = win32com.client.VARIANT(VT_ARRAY|VT_VARIANT, ['<OR', 'TEXT', 'MTEXT', 'OR>'])
selection.SelectOnScreen(FilterType, FilterData)

如何将此AutoCAD VBA代码转换为Python?

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