Setting:
<Thickness x:Key="ExpanderContentUpBorderThickness">0</Thickness>
Has no effect.
Interestingly setting:
<Thickness x:Key="ExpanderHeaderBorderThickness">0</Thickness>
Does work as expected.
Document Details
⚠ Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.
Setting:
<Thickness x:Key="ExpanderContentUpBorderThickness">0</Thickness>Has no effect.
Interestingly setting:
<Thickness x:Key="ExpanderHeaderBorderThickness">0</Thickness>Does work as expected.
Document Details
⚠ Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.