private async Task ChangeSignatureAsync()
{
if (!HtmlControl.IsDocumentReady)
{
return;
}
var context = (MailCompositionContext)DataContext;
var path = context.SelectedAccount.SignaturePath;
if (string.IsNullOrEmpty(path) || !File.Exists(path))
{
HtmlControl.ChangeSignature(string.Empty);
return;
}
var content = await Task.Run(() => File.ReadAllText(path, Encoding.UTF8));
HtmlControl.ChangeSignature(content);
}