public static string open(this DesignerCanvas designerCanvas, string fileToOpen)
{
return((string)designerCanvas.wpfInvoke(
() => {
if (fileToOpen.fileExists())
{
var xRoot = fileToOpen.xRoot();
if (xRoot.notNull())
{
designerCanvas.Open(xRoot);
}
else
{
return "";
}
}
return fileToOpen;
}));
}
