IsMaterial()
语法
Result = IsMaterial(#Material)概要
Tests if the given material is valid and correctly initialized.
参数
#Material The material to test.
返回值
Nonzero if the material is valid, zero otherwise.
Remarks
This function is bulletproof and may be used with any value. This is the correct way to ensure a material is ready to use.
已支持操作系统
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