private static bool CheckOutIfNeeded(Web web, File targetFile)
{
var checkedOut = false;
try
{
web.Context.Load(targetFile, f => f.CheckOutType, f => f.ListItemAllFields.ParentList.ForceCheckout);
web.Context.ExecuteQueryRetry();
if (targetFile.ListItemAllFields.ServerObjectIsNull.HasValue
&& !targetFile.ListItemAllFields.ServerObjectIsNull.Value
&& targetFile.ListItemAllFields.ParentList.ForceCheckout)
{
if (targetFile.CheckOutType == CheckOutType.None)
{
targetFile.CheckOut();
}
checkedOut = true;
}
}
catch (ServerException ex)
{
// Handling the exception stating the "The object specified does not belong to a list."
if (ex.ServerErrorCode != -2146232832)
{
throw;
}
}
return checkedOut;
}
