TextBox.AutoCompleteSource 屬性

定義

取得或設定值,以指定用於自動完成的完整字串來源。

public:
 property System::Windows::Forms::AutoCompleteSource AutoCompleteSource { System::Windows::Forms::AutoCompleteSource get(); void set(System::Windows::Forms::AutoCompleteSource value); };
[System.ComponentModel.Browsable(true)]
[System.ComponentModel.TypeConverter(typeof(System.Windows.Forms.TextBoxAutoCompleteSourceConverter))]
public System.Windows.Forms.AutoCompleteSource AutoCompleteSource { get; set; }
[<System.ComponentModel.Browsable(true)>]
[<System.ComponentModel.TypeConverter(typeof(System.Windows.Forms.TextBoxAutoCompleteSourceConverter))>]
member this.AutoCompleteSource : System.Windows.Forms.AutoCompleteSource with get, set
Public Property AutoCompleteSource As AutoCompleteSource

屬性值

AutoCompleteSource

其中一個 AutoCompleteSource 值。 這些選項包括 AllSystemSourcesAllUrlFileSystemHistoryListRecentlyUsedListCustomSourceNone。 預設為 None

屬性

例外狀況

指定值不是 AutoCompleteSource 的其中一個值。

範例

下列程式碼範例示範如何使用集合做為控制項的自動完成自訂來源 TextBox 。 此範例會執行下列各項:

private void Form1_Load(object sender, EventArgs e)
{
    // Create the list to use as the custom source. 
    var source = new AutoCompleteStringCollection();
    source.AddRange(new string[]
                    {
                        "January",
                        "February",
                        "March",
                        "April",
                        "May",
                        "June",
                        "July",
                        "August",
                        "September",
                        "October",
                        "November",
                        "December"
                    });

    // Create and initialize the text box.
    var textBox = new TextBox
                  {
                      AutoCompleteCustomSource = source,
                      AutoCompleteMode = 
                          AutoCompleteMode.SuggestAppend,
                      AutoCompleteSource =
                          AutoCompleteSource.CustomSource,
                      Location = new Point(20, 20),
                      Width = ClientRectangle.Width - 40,
                      Visible = true
                  };

    // Add the text box to the form.
    Controls.Add(textBox);
}
Private Sub Form1_Load(ByVal sender As System.Object, _
                       ByVal e As System.EventArgs) Handles MyBase.Load

    ' Create the list to use as the custom source.
    Dim MySource As New AutoCompleteStringCollection()
    MySource.AddRange(New String() _
                        { _
                            "January", _
                            "February", _
                            "March", _
                            "April", _
                            "May", _
                            "June", _
                            "July", _
                            "August", _
                            "September", _
                            "October", _
                            "November", _
                            "December" _
                        })

    ' Create and initialize the text box.
    Dim MyTextBox As New TextBox()
    With MyTextBox
        .AutoCompleteCustomSource = MySource
        .AutoCompleteMode = AutoCompleteMode.SuggestAppend
        .AutoCompleteSource = AutoCompleteSource.CustomSource
        .Location = New Point(20, 20)
        .Width = Me.ClientRectangle.Width - 40
        .Visible = True
    End With

    ' Add the text box to the form.
    Me.Controls.Add(MyTextBox)
End Sub

備註

AutoCompleteCustomSource使用 、 AutoCompleteModeAutoCompleteSource 屬性建立 , TextBox 藉由比較所輸入的前置詞與維護來源中所有字串的前置詞,來自動完成輸入字串。 這對於 URL、位址、檔案名或命令經常輸入的控制項很有用 TextBox

屬性的使用是選擇性的 AutoCompleteCustomSource ,但您必須將 AutoCompleteSource 屬性 CustomSource 設定為 ,才能使用 AutoCompleteCustomSource

您必須同時使用 AutoCompleteModeAutoCompleteSource 屬性。

注意

AutoCompleteSource 無法在多行 TextBox 控制項上運作。

注意

作業系統可能會限制可以一次顯示的自訂字串數目。

適用於

另請參閱