4 writes to

System.Windows.Forms.Tests (4)

System\Windows\Forms\ListViewGroupCollectionTests.cs (4)

324collection[key] = group3; 347collection[key] = group3; 357collection["text"] = new ListViewGroup(); 366Assert.Throws<ArgumentNullException>("value", () => collection["key"] = null);

5 references to

System.Windows.Forms (1)

System\Windows\Forms\Controls\ListView\ListViewItem.cs (1)

1044Group = _listView.Groups[_groupName];

System.Windows.Forms.Design (1)

System\Windows\Forms\Design\ListViewGroupCollectionEditor.cs (1)

54while (collection[result] is not null)

System.Windows.Forms.Tests (3)

System\Windows\Forms\ListViewGroupCollectionTests.cs (3)

276Assert.Equal(collection[expectedIndex], collection[key]); 297Assert.Null(collection[key]); 305Assert.Null(collection["text"]);