IsText3D()
语法
Result = IsText3D(#Text3D)概要
Tests if the given text number is a valid and correctly initialized text.
参数
#Text3D The text to test.
返回值
Returns nonzero if #Text3D is a valid text, zero otherwise.
Remarks
This function is bulletproof and may be used with any value. This is the correct way to ensure a text is ready to use.
参阅
CreateText3D()
已支持操作系统
所有