public static Icon ToIcon(Bitmap bmp) { IntPtr i = bmp.GetHicon(); Icon ic = Icon.FromHandle(i); return ic; }
Tuesday, January 17, 2012
Convert Bitmap to Icon
This is quite easy to achieve by using the following procedure:
Monday, January 9, 2012
Linq IN operator
Sometimes, you might want to extract the "intersection" of the two object lists but the object types are different. For example, you have a customer list and another one is invoice list. You want to get the customers whose "customer_id" exist in the invoice list. This can be done in the SQL syntax easily by using the IN operator. But, there is none in the Linq. So, I have written my own extension:
public static List<T> In<T, T2>(this List<T> list1, List<T2> list2, Func<T, T2, bool> predicate) { List<T> result = new List<T>(); // exit immediately if list2 is empty or null. if ((list2 == null) || (list2.Count == 0)) { return result; // return blank list. } foreach (var item in list1) { if (list2.Where(n => predicate(item, n)).Count() > 0) { result.Add(item); } } return result; }
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