ComboBox.Value
From Xojo Documentation
Property (As String )
aComboBox.Value = newStringValue
or
StringValue = aComboBox.Value
New in 2019r2
Supported for all project types and targets.
or
StringValue = aComboBox.Value
New in 2019r2
Supported for all project types and targets.
Gets or sets the value of the current item. Value is read/write for ComboBox.
Sample Code
This code sets the value of the currently selected item and then displays it in a TextField.
ComboBox1.Value = "Lauraline"
TextField1.Value = ComboBox1.Value
TextField1.Value = ComboBox1.Value