ToolStripDropDownButton.ShowDropDownArrow プロパティ
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)

Dim instance As ToolStripDropDownButton Dim value As Boolean value = instance.ShowDropDownArrow instance.ShowDropDownArrow = value
/** @property */ public boolean get_ShowDropDownArrow () /** @property */ public void set_ShowDropDownArrow (boolean value)
public function get ShowDropDownArrow () : boolean public function set ShowDropDownArrow (value : boolean)
ToolStripDropDownButton 上に矢印を表示する場合は true。それ以外の場合は false。既定値は true です。

ToolStripDropDownButton コントロールを作成し、初期化するコード例を次に示します。ShowDropDownArrow プロパティが false に設定されています。
' Declare the drop-down button and the items it will contain. Friend WithEvents dropDownButton1 As ToolStripDropDownButton Friend WithEvents dropDown As ToolStripDropDown Friend WithEvents buttonRed As ToolStripButton Friend WithEvents buttonBlue As ToolStripButton Friend WithEvents buttonYellow As ToolStripButton Private Sub InitializeDropDownButton() dropDownButton1 = New ToolStripDropDownButton() dropDown = New ToolStripDropDown() dropDownButton1.Text = "A" ' Set the drop-down on the ToolStripDropDownButton. dropDownButton1.DropDown = dropDown ' Set the drop-down direction. dropDownButton1.DropDownDirection = ToolStripDropDownDirection.Left ' Do not show a drop-down arrow. dropDownButton1.ShowDropDownArrow = False ' Declare three buttons, set their foreground color and text, ' and add the buttons to the drop-down. buttonRed = New ToolStripButton() buttonRed.ForeColor = Color.Red buttonRed.Text = "A" buttonBlue = New ToolStripButton() buttonBlue.ForeColor = Color.Blue buttonBlue.Text = "A" buttonYellow = New ToolStripButton() buttonYellow.ForeColor = Color.Yellow buttonYellow.Text = "A" dropDown.Items.AddRange(New ToolStripItem() {buttonRed, buttonBlue, buttonYellow}) toolStrip1.Items.Add(dropDownButton1) End Sub ' Handle the buttons' click event by setting the foreground color of the ' form to the foreground color of the button that is clicked. Public Sub colorButtonsClick(ByVal sender As [Object], ByVal e As EventArgs) _ Handles buttonRed.Click, buttonBlue.Click, buttonYellow.Click Dim senderButton As ToolStripButton = CType(sender, ToolStripButton) Me.ForeColor = senderButton.ForeColor End Sub
// Declare the drop-down button and the items it will contain. internal ToolStripDropDownButton dropDownButton1; internal ToolStripDropDown dropDown; internal ToolStripButton buttonRed; internal ToolStripButton buttonBlue; internal ToolStripButton buttonYellow; private void InitializeDropDownButton() { dropDownButton1 = new ToolStripDropDownButton(); dropDown = new ToolStripDropDown(); dropDownButton1.Text = "A"; // Set the drop-down on the ToolStripDropDownButton. dropDownButton1.DropDown = dropDown; // Set the drop-down direction. dropDownButton1.DropDownDirection = ToolStripDropDownDirection.Left; // Do not show a drop-down arrow. dropDownButton1.ShowDropDownArrow = false; // Declare three buttons, set their foreground color and text, // and add the buttons to the drop-down. buttonRed = new ToolStripButton(); buttonRed.ForeColor = Color.Red; buttonRed.Text = "A"; buttonBlue = new ToolStripButton(); buttonBlue.ForeColor = Color.Blue; buttonBlue.Text = "A"; buttonYellow = new ToolStripButton(); buttonYellow.ForeColor = Color.Yellow; buttonYellow.Text = "A"; buttonBlue.Click += new EventHandler(colorButtonsClick); buttonRed.Click += new EventHandler(colorButtonsClick); buttonYellow.Click += new EventHandler(colorButtonsClick); dropDown.Items.AddRange(new ToolStripItem[] { buttonRed, buttonBlue, buttonYellow }); toolStrip1.Items.Add(dropDownButton1); } // Handle the buttons' click event by setting the foreground color of the // form to the foreground color of the button that is clicked. public void colorButtonsClick(object sender, EventArgs e) { ToolStripButton senderButton = (ToolStripButton)sender; this.ForeColor = senderButton.ForeColor; }

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
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