From Xojo Documentation

Property (As Integer )
aDisclosureTriangle.Facing = newIntegerValue
IntegerValue = aDisclosureTriangle.Facing

Supported for all project types and targets.

Controls whether the triangle is pointed to the left or right. The default is the right.


It can take on either of the following values:

Value Description
0 Right facing
1 Left facing

Sample Code

This code sets the DisclosureTriangle pointed to the left:

Me.Facing = 1