TreeView.PathSeparator 屬性
定義
重要
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取得或設定樹狀節點路徑使用的分隔符號字串。
public:
property System::String ^ PathSeparator { System::String ^ get(); void set(System::String ^ value); };
public string PathSeparator { get; set; }
member this.PathSeparator : string with get, set
Public Property PathSeparator As String
屬性值
樹狀節點 FullPath 屬性使用的分隔符號字串。 預設值為反斜線字元 (\) 。
範例
下列程式碼範例會設定 PathSeparator 的 TreeView 屬性,並顯示 包含在 的 SelectedNode 子樹狀結構節點 TreeNodeCollection 數目。 也會顯示樹狀檢視控制項中子樹狀節點與樹狀節點總數的百分比。 此範例需要您具有 Form 具有 的 ,以及 TreeView 具有數 TreeNode 個 Button 物件的 控制項 TreeNodeCollection (,最好搭配三個或多個層級) 。
void myButton_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
{
// Set the tree view's PathSeparator property.
myTreeView->PathSeparator = ".";
// Get the count of the child tree nodes contained in the SelectedNode.
int myNodeCount = myTreeView->SelectedNode->GetNodeCount( true );
Decimal myChildPercentage = ((Decimal)myNodeCount / (Decimal)myTreeView->GetNodeCount( true )) * 100;
// Display the tree node path and the number of child nodes it and the tree view have.
MessageBox::Show( String::Concat( "The '", myTreeView->SelectedNode->FullPath, "' node has ", myNodeCount, " child nodes.\nThat is ", String::Format( "{0:###.##}", myChildPercentage ), "% of the total tree nodes in the tree view control." ) );
}
private void myButton_Click(object sender, System.EventArgs e)
{
// Set the tree view's PathSeparator property.
myTreeView.PathSeparator = ".";
// Get the count of the child tree nodes contained in the SelectedNode.
int myNodeCount = myTreeView.SelectedNode.GetNodeCount(true);
decimal myChildPercentage = ((decimal)myNodeCount/
(decimal)myTreeView.GetNodeCount(true)) * 100;
// Display the tree node path and the number of child nodes it and the tree view have.
MessageBox.Show("The '" + myTreeView.SelectedNode.FullPath + "' node has "
+ myNodeCount.ToString() + " child nodes.\nThat is "
+ string.Format("{0:###.##}", myChildPercentage)
+ "% of the total tree nodes in the tree view control.");
}
Private Sub myButton_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles myButton.Click
' Set the tree view's PathSeparator property.
myTreeView.PathSeparator = "."
' Get the count of the child tree nodes contained in the SelectedNode.
Dim myNodeCount As Integer = myTreeView.SelectedNode.GetNodeCount(True)
Dim myChildPercentage As Decimal = CDec(myNodeCount) / _
CDec(myTreeView.GetNodeCount(True)) * 100
' Display the tree node path and the number of child nodes it and the tree view have.
MessageBox.Show(("The '" + myTreeView.SelectedNode.FullPath + "' node has " _
+ myNodeCount.ToString() + " child nodes." + Microsoft.VisualBasic.ControlChars.Lf _
+ "That is " + String.Format("{0:###.##}", myChildPercentage) _
+ "% of the total tree nodes in the tree view control."))
End Sub
備註
樹狀節點路徑是由一組以分隔符號字串分隔的 PathSeparator 樹狀節點標籤所組成。 標籤的範圍從根樹狀目錄節點到您想要的樹狀節點。