WebListBoxColumnData.Heading
From Xojo Documentation
Property (As String )
aWebListBoxColumnData.Heading = newStringValue
or
StringValue = aWebListBoxColumnData.Heading
New in 2020r1
Supported for all project types and targets.
or
StringValue = aWebListBoxColumnData.Heading
New in 2020r1
Supported for all project types and targets.
The name of the column as it should appear in the WebListBox.