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Fix Expander crash when Direction changed #1147

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Mar 29, 2021
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Fix Expander crash when Direction changed #1147

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4 changes: 1 addition & 3 deletions src/CommunityToolkit/Xamarin.CommunityToolkit/Views/Expander/Expander.shared.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -315,7 +315,7 @@ void OnIsExpandedChanged(bool shouldIgnoreAnimation = false)
InvokeAnimation(startSize, endSize, shouldIgnoreAnimation);
}

void SetHeader(View oldHeader)
void SetHeader(View? oldHeader)
{
if (oldHeader != null)
{
Expand Down Expand Up @@ -397,8 +397,6 @@ void SetContent()

void SetDirection(ExpandDirection oldDirection)
{
_ = Header ?? throw new InvalidOperationException($"{nameof(Header)} not initialized");

if (oldDirection.IsVertical() == Direction.IsVertical())
{
SetHeader(Header);
Expand Down