WebCheckBox.Indeterminate

From Xojo Documentation

Property (As Boolean )
aWebCheckBox.Indeterminate = newBooleanValue
or
BooleanValue = aWebCheckBox.Indeterminate

New in 2020r1

Supported for all project types and targets.

Puts the checkbox into the indeterminate state.

Sample Code

This code sets the Indeterminate value of the checkbox:

CheckBox1.Indeterminate = True