Visio 函数 _ELLIPSE_ECC 和 _ELLIPSE_THETA 的规范是什么
我正在尝试实现一个能够绘制 Visio 形状(从 Visio XML 文件读取)的应用程序。我的问题是,Visio 通常对 EllipticalArcTo 的 C 和 D 单元格使用内部函数 _ELLIPSE_ECC 和 _ELLIPSE_THETA。在MSDN Visio SDK文档中,我只找到以下信息(http://msdn.microsoft.com/en-us/library/ff767234.aspx):
某些函数出现在 Visio 生成的公式中,但实际上并不出现 在“插入函数”对话框中列出或在此描述 参考,因为它们保留供内部使用,不应该 用于其他公式中。以下是示例:ELLIPSE_THETA, _ELLIPSE_ECC、_UCON_C1 和 _SHAPEMIN。
我尝试使用文件中预先计算的值而不是公式,但只有在形状的纵横比未更改时才有效。
有人知道在那里可以找到有关这些功能的更多信息吗?
I'm trying to implement an application that is able to paint Visio shapes (that are read from Visio XML files). My problem is that Visio typically uses the internal functions _ELLIPSE_ECC and _ELLIPSE_THETA for the C and D cells of EllipticalArcTo. In the MSDN Visio SDK doc, I found only the following information (http://msdn.microsoft.com/en-us/library/ff767234.aspx):
Certain functions appear in formulas generated by Visio, but are not
listed in the Insert Function dialog box or described in this
reference because they are reserved for internal use and should not be
used in other formulas. Following are examples: ELLIPSE_THETA,
_ELLIPSE_ECC, _UCON_C1, and _SHAPEMIN.
I tried to use the pre-calculated value from the file instead of the formula but that works only well if the aspect ratio of a shape is not changed.
Does anybody know there to find more information about these functions?
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在 Visio Guy 的论坛上查看此主题。
http://visguy.com/vgforum/index.php?topic=880 .msg3907#msg3907
Visio Guy 论坛由 Microsoft Visio MVP Chris Roth 运营,他是 Microsoft Visio 最初的形状大师之一维西奥公司。
Check out this thread at Visio Guy's forum.
http://visguy.com/vgforum/index.php?topic=880.msg3907#msg3907
The Visio Guy forum is run by Microsoft Visio MVP Chris Roth who was one of the original shape masters at Visio Corporation.