ToolStripDropDownButton.ShowDropDownArrow Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets or sets a value indicating whether an arrow is displayed on the ToolStripDropDownButton, which indicates that further options are available in a drop-down list.
public:
property bool ShowDropDownArrow { bool get(); void set(bool value); };
public bool ShowDropDownArrow { get; set; }
member this.ShowDropDownArrow : bool with get, set
Public Property ShowDropDownArrow As Boolean
Property Value
true
to show an arrow on the ToolStripDropDownButton; otherwise, false
. The default is true
.
Examples
The following code example creates and initializes a ToolStripDropDownButton control. The ShowDropDownArrow property is set to false
.
// Declare the drop-down button and the items it will contain.
ToolStripDropDownButton^ dropDownButton1;
ToolStripDropDown^ dropDown;
ToolStripButton^ buttonRed;
ToolStripButton^ buttonBlue;
ToolStripButton^ buttonYellow;
void InitializeDropDownButton()
{
dropDownButton1 = gcnew ToolStripDropDownButton;
dropDown = gcnew ToolStripDropDown;
dropDownButton1->Text = "A";
// Set the drop-down on the DropDownButton.
dropDownButton1->DropDown = dropDown;
// Declare three buttons, set their forecolor and text,
// and add the buttons to the drop-down.
buttonRed = gcnew ToolStripButton;
buttonRed->ForeColor = Color::Red;
buttonRed->Text = "A";
buttonBlue = gcnew ToolStripButton;
buttonBlue->ForeColor = Color::Blue;
buttonBlue->Text = "A";
buttonYellow = gcnew ToolStripButton;
buttonYellow->ForeColor = Color::Yellow;
buttonYellow->Text = "A";
buttonBlue->Click += gcnew EventHandler(this,
&Form1::colorButtonsClick);
buttonRed->Click += gcnew EventHandler(this,
&Form1::colorButtonsClick);
buttonYellow->Click += gcnew EventHandler(this,
&Form1::colorButtonsClick);
array<ToolStripItem^>^ ToolStrips =
{buttonRed,buttonBlue,buttonYellow};
dropDown->Items->AddRange(ToolStrips);
toolStrip1->Items->Add(dropDownButton1);
}
// Handle the buttons' click event by setting the forecolor
// of the form to the forecolor of the button that is clicked.
void colorButtonsClick(Object^ sender, EventArgs^ e)
{
ToolStripButton^ senderButton = (ToolStripButton^) sender;
this->ForeColor = senderButton->ForeColor;
}
// internal:
// 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.
private void colorButtonsClick(object sender, EventArgs e)
{
ToolStripButton senderButton = (ToolStripButton)sender;
this.ForeColor = senderButton.ForeColor;
}
' 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
Applies to
GitHub에서 Microsoft와 공동 작업
이 콘텐츠의 원본은 GitHub에서 찾을 수 있으며, 여기서 문제와 끌어오기 요청을 만들고 검토할 수도 있습니다. 자세한 내용은 참여자 가이드를 참조하세요.
.NET