ReadOnlyPropertyAssignment

Identifies Property assigment references where Set or Let Property Members do not exist.


New This feature is currently only available in pre-release builds (or the xmldoc asset doesn’t yet exist on main!).

Inspection type: CodeQualityIssues

Default severity: Warning

Reasoning

In general, the VBE editor catches this type of error and will not compile. However, there are a few scenarios where the error is overlooked by the compiler and an error is generated at runtime. To avoid the runtime error scenarios, the inspection flags all assignment references of a read-only property

Quick-Fixes

The following quick-fixes are available for this inspection:

  • IgnoreOnce: Adds an '@Ignore annotation to ignore a specific inspection result. Applicable to all inspections whose results can be annotated in a module.
  • IgnoreInModule: Adds an '@IgnoreModule annotation to ignore a inspection results for a specific inspection inside a whole module. Applicable to all inspections whose results can be annotated in a module.

Examples

Each example is a self-contained MCVE showing the feature in a single specific scenario.

Standard Module
Named Module1 by default, these are general-purpose standard procedural modules.
Class Module
Named Class1 by default, these modules define the default interface for an object of that type.
Predeclared Class
A class module with its VB_PredeclaredId attribute set to True (with or without a @PredeclaredId annotation).
Interface Module
Abstract interfaces are class modules (with or without an @Interface annotation) whose default interface is not a class type intended to be instantiated.
UserForm Module
A predeclared class with a design-time visual designer using the MSForms UI framework.
Document Module
Owned by the host application, these class modules belong to the host document and may handle various events fired by the host application.

The following code should trigger this inspection:

MyDataObject

Public myData As Long

Client

Private myDataObj As MyDataObject
Public Sub Test()
    Set TheData = new MyDataObject
End Sub
Public Property Get TheData() As MyDataObject
    Set TheData = myDataObj
End Property

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