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GD0102: The type of the exported member is not supported

Rule ID	GD0102
Category	Usage
Fix is breaking or non-breaking	Breaking - If the member type is changed Non-breaking - If the [Export] attribute is removed
Enabled by default	Yes

Cause

An unsupported type is specified for a member annotated with the [Export] attribute when a Variant-compatible type is expected.

Rule description

Every exported member must be Variant-compatible so it can be marshalled by the engine.

class SomeType { }

// SomeType is not a valid member type because it doesn't derive from RedotObject,
// so it's not compatible with Variant.
[Export]
public SomeType InvalidProperty { get; set; }

// System.Int32 is a valid type because it's compatible with Variant.
[Export]
public int ValidProperty { get; set; }

How to fix violations

To fix a violation of this rule, change the member's type to be Variant-compatible or remove the [Export] attribute.

When to suppress warnings

Do not suppress a warning from this rule. Members with types that can't be marshalled will result in runtime errors.