TextBox.Multiline 屬性

定義

取得或設定值,其會表示這是否為多行 TextBox 控制項。Gets or sets a value indicating whether this is a multiline TextBox control.

public:
 virtual property bool Multiline { bool get(); void set(bool value); };
public override bool Multiline { get; set; }
member this.Multiline : bool with get, set
Public Overrides Property Multiline As Boolean

屬性值

如果控制項是多行 TextBox 控制項,則為 true,否則為 falsetrue if the control is a multiline TextBox control; otherwise, false. 預設為 falseThe default is false.

範例

下列程式碼範例會建立具有垂直捲動條的多行 TextBox 控制項。The following code example creates a multiline TextBox control with vertical scroll bars. 這個範例會使用 AcceptsTabAcceptsReturnWordWrap 屬性,讓多行文字方塊控制項適用于建立文字檔。This example uses the AcceptsTab, AcceptsReturn, and WordWrap properties to make the multiline text box control useful for creating text documents.

public:
   void CreateMyMultilineTextBox()
   {
      // Create an instance of a TextBox control.
      TextBox^ textBox1 = gcnew TextBox;
      
      // Set the Multiline property to true.
      textBox1->Multiline = true;
      // Add vertical scroll bars to the TextBox control.
      textBox1->ScrollBars = ScrollBars::Vertical;
      // Allow the RETURN key to be entered in the TextBox control.
      textBox1->AcceptsReturn = true;
      // Allow the TAB key to be entered in the TextBox control.
      textBox1->AcceptsTab = true;
      // Set WordWrap to true to allow text to wrap to the next line.
      textBox1->WordWrap = true;
      // Set the default text of the control.
      textBox1->Text = "Welcome!";
   }
public void CreateMyMultilineTextBox()
 {
    // Create an instance of a TextBox control.
    TextBox textBox1 = new TextBox();
       
    // Set the Multiline property to true.
    textBox1.Multiline = true;
    // Add vertical scroll bars to the TextBox control.
    textBox1.ScrollBars = ScrollBars.Vertical;
    // Allow the RETURN key to be entered in the TextBox control.
    textBox1.AcceptsReturn = true;
    // Allow the TAB key to be entered in the TextBox control.
    textBox1.AcceptsTab = true;
    // Set WordWrap to true to allow text to wrap to the next line.
    textBox1.WordWrap = true;
    // Set the default text of the control.
    textBox1.Text = "Welcome!";
 }
 
Public Sub CreateMyMultilineTextBox()
    ' Create an instance of a TextBox control.
    Dim textBox1 As New TextBox()
    
    ' Set the Multiline property to true.
    textBox1.Multiline = True
    ' Add vertical scroll bars to the TextBox control.
    textBox1.ScrollBars = ScrollBars.Vertical
    ' Allow the RETURN key to be entered in the TextBox control.
    textBox1.AcceptsReturn = True
    ' Allow the TAB key to be entered in the TextBox control.
    textBox1.AcceptsTab = True
    ' Set WordWrap to true to allow text to wrap to the next line.
    textBox1.WordWrap = True
    ' Set the default text of the control.
    textBox1.Text = "Welcome!"
End Sub

備註

AutoCompleteSource 無法在多行 TextBox 控制項上運作。AutoCompleteSource does not work on multiline TextBox controls.

當字型變更時,任何已定義的縮排都不會出現。When the font is changed, any indentation that you have defined does not appear. 若要取得縮排,請將 Multiline 設定為 true 並覆寫 WM_SETFONT,而不呼叫基類,因此不會呼叫 SETMARGINS。To get indentation, set Multiline to true and override WM_SETFONT without calling the base class so that SETMARGINS is not called.

適用於