Executing following code on .NET MAUI causes the application to crash.

public async Task<bool> ShowAsync(string fileName, byte[] bytes, SaveFilePickerOptions options)
{
ArgumentNullException.ThrowIfNull(options);

FileSavePicker fileSavePicker = new()
{
SuggestedStartLocation = PickerLocationId.DocumentsLibrary,
SuggestedFileName = fileName,
};
foreach(var item in options.WindowsFileTypes)
{
fileSavePicker.FileTypeChoices.Add(item.Key, item.Value);
}

if(MauiWinUIApplication.Current.Application.Windows[0].Handler.PlatformView is MauiWinUIWindow window)
{
InitializeWithWindow.Initialize(fileSavePicker, window.WindowHandle);
}

StorageFile file = await fileSavePicker.PickSaveFileAsync();
if(file == null)
{
return false;
}

using(FileStream fileStream = new(file.Path, FileMode.OpenOrCreate))
{
fileStream.Write(bytes, 0, bytes.Length);
}

return true;
}

When PickSaveFileAsync is executed, the following dialog is displayed in Debug mode.

Please let me know what to do.

​Executing following code on .NET MAUI causes the application to crash.  public async Task<bool> ShowAsync(string fileName, byte[] bytes, SaveFilePickerOptions options)
{
ArgumentNullException.ThrowIfNull(options);

FileSavePicker fileSavePicker = new()
{
SuggestedStartLocation = PickerLocationId.DocumentsLibrary,
SuggestedFileName = fileName,
};
foreach(var item in options.WindowsFileTypes)
{
fileSavePicker.FileTypeChoices.Add(item.Key, item.Value);
}

if(MauiWinUIApplication.Current.Application.Windows[0].Handler.PlatformView is MauiWinUIWindow window)
{
InitializeWithWindow.Initialize(fileSavePicker, window.WindowHandle);
}

StorageFile file = await fileSavePicker.PickSaveFileAsync();
if(file == null)
{
return false;
}

using(FileStream fileStream = new(file.Path, FileMode.OpenOrCreate))
{
fileStream.Write(bytes, 0, bytes.Length);
}

return true;
}  When PickSaveFileAsync is executed, the following dialog is displayed in Debug mode.Please let me know what to do.   Read More

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