UMaterialExpression::Modify

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Unreal Engine C++ API Reference > Runtime > Engine > Materials > UMaterialExpression

• UObject::Modify()
• UMaterialExpression::Modify()
• UMaterialExpressionComment::Modify()
• UMaterialExpressionComposite::Modify()
• UMaterialExpressionPinBase::Modify()

References

virtual bool Modify  
(  
    bool bAlwaysMarkDirty  
)  
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virtual bool Modify (     bool bAlwaysMarkDirty )

Remarks

Note that the object will be modified. If we are currently recording into the transaction buffer (undo/redo), save a copy of this object into the buffer and marks the package as needing to be saved.