How can a value be passed from main.qml to another QML component?

QM • Qt Forum member • September 11, 2026 • 1 answers

A Qt Forum user had a reusable QML component and wanted to change an exposed value from main.qml.

qml

Comp1 {    id: obj}

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1 Answer

Dheerendra V Purohit

September 11, 2026 • Independent answer

✓ Accepted

Dheerendra showed that main.qml can set an exposed property on the child component instance directly. The child should expose the value as a property, and the parent can assign or update it through the component id.

qml

Comp1 {    id: obj    aString: "Venki"} obj.aString = "PthinkS"

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