Find Method
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IBindingList.Find Method (PropertyDescriptor, Object)

 

Returns the index of the row that has the given PropertyDescriptor.

Namespace:   System.ComponentModel
Assembly:  System (in System.dll)

int Find(
	PropertyDescriptor property,
	object key
)

Parameters

property
Type: System.ComponentModel.PropertyDescriptor

The PropertyDescriptor to search on.

key
Type: System.Object

The value of the property parameter to search for.

Return Value

Type: System.Int32

The index of the row that has the given PropertyDescriptor.

Exception Condition
NotSupportedException

This method will select the first row where the value of the property parameter equals the value of the key parameter.

This method is supported if SupportsSearching is true, otherwise this method throws a NotSupportedException.

The following code example demonstrates how to implement the Find method.

    public class MyFontList : BindingList<Font>
    {

        protected override bool SupportsSearchingCore
        {
            get { return true; }
        }
        protected override int FindCore(PropertyDescriptor prop, object key)
        {
            // Ignore the prop value and search by family name.
            for (int i = 0; i < Count; ++i)
            {
                if (Items[i].FontFamily.Name.ToLower() == ((string)key).ToLower())
                    return i;

            }
            return -1;
        }


    }

}

.NET Framework
Available since 1.1
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