RowDefinitionCollection.IndexOf(RowDefinition) RowDefinitionCollection.IndexOf(RowDefinition) RowDefinitionCollection.IndexOf(RowDefinition) RowDefinitionCollection.IndexOf(RowDefinition) Method

定義

傳回 RowDefinition 內指定之 RowDefinitionCollection 的索引位置。Returns the index position of a given RowDefinition within a RowDefinitionCollection.

public:
 virtual int IndexOf(System::Windows::Controls::RowDefinition ^ value);
public int IndexOf (System.Windows.Controls.RowDefinition value);
abstract member IndexOf : System.Windows.Controls.RowDefinition -> int
override this.IndexOf : System.Windows.Controls.RowDefinition -> int
Public Function IndexOf (value As RowDefinition) As Integer

參數

value
RowDefinition RowDefinition RowDefinition RowDefinition

擁有所需索引位置的 RowDefinitionThe RowDefinition whose index position is desired.

傳回

如果可在集合中找到,即為 value 的索引,否則為 -1。The index of value if found in the collection; otherwise, -1.

實作

範例

下列範例示範如何使用IndexOf方法,以判斷的索引位置RowDefinitionRowDefinitionCollectionThe following example demonstrates how to use the IndexOf method to determine the index position of a RowDefinition within a RowDefinitionCollection.

private void insertRowAt(object sender, RoutedEventArgs e)
{
    rowDef1 = new RowDefinition();
    grid1.RowDefinitions.Insert(grid1.RowDefinitions.Count, rowDef1);
    tp1.Text = "RowDefinition added at index position " + grid1.RowDefinitions.IndexOf(rowDef1).ToString();
}
Private Sub insertRowAt(ByVal sender As Object, ByVal e As RoutedEventArgs)
    Dim rowDef1 As New RowDefinition
    grid1.RowDefinitions.Insert(grid1.RowDefinitions.Count, rowDef1)
    tp1.Text = "RowDefinition added at index position " + grid1.RowDefinitions.IndexOf(rowDef1).ToString()
End Sub

若要檢視完整的範例,請參閱如何: 操作資料行及資料列使用 ColumnDefinitionsCollections 和 rowdefinitionscollections 管理To view the complete sample, see How to: Manipulate Columns and Rows by Using ColumnDefinitionsCollections and RowDefinitionsCollections.

適用於

另請參閱