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.
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