ToolStripDropDownButton Constructors

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

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.

Initializes a new instance of the ToolStripDropDownButton class.

Overloads

ToolStripDropDownButton()	Initializes a new instance of the ToolStripDropDownButton class.
ToolStripDropDownButton(Image)	Initializes a new instance of the ToolStripDropDownButton class that displays the specified image.
ToolStripDropDownButton(String)	Initializes a new instance of the ToolStripDropDownButton class that displays the specified text.
ToolStripDropDownButton(String, Image)	Initializes a new instance of the ToolStripDropDownButton class that displays the specified text and image.
ToolStripDropDownButton(String, Image, EventHandler)	Initializes a new instance of the ToolStripDropDownButton class that displays the specified text and image and raises the `Click` event.
ToolStripDropDownButton(String, Image, ToolStripItem[])	Initializes a new instance of the ToolStripDropDownButton class.
ToolStripDropDownButton(String, Image, EventHandler, String)	Initializes a new instance of the ToolStripDropDownButton class that has the specified name, displays the specified text and image, and raises the `Click` event.

ToolStripDropDownButton()

Initializes a new instance of the ToolStripDropDownButton class.

public:
 ToolStripDropDownButton();

public ToolStripDropDownButton ();

Public Sub New ()

Examples

The following code example creates and initializes a ToolStripDropDownButton control.

// 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

ToolStripDropDownButton(Image)

Initializes a new instance of the ToolStripDropDownButton class that displays the specified image.

public:
 ToolStripDropDownButton(System::Drawing::Image ^ image);

public ToolStripDropDownButton (System.Drawing.Image image);

public ToolStripDropDownButton (System.Drawing.Image? image);

new System.Windows.Forms.ToolStripDropDownButton : System.Drawing.Image -> System.Windows.Forms.ToolStripDropDownButton

Public Sub New (image As Image)

Parameters

image: Image

An Image to be displayed on the ToolStripDropDownButton.

Applies to

ToolStripDropDownButton(String)

Initializes a new instance of the ToolStripDropDownButton class that displays the specified text.

public:
 ToolStripDropDownButton(System::String ^ text);

public ToolStripDropDownButton (string text);

public ToolStripDropDownButton (string? text);

new System.Windows.Forms.ToolStripDropDownButton : string -> System.Windows.Forms.ToolStripDropDownButton

Public Sub New (text As String)

Parameters

text: String

The text to be displayed on the ToolStripDropDownButton.

Applies to

ToolStripDropDownButton(String, Image)

Initializes a new instance of the ToolStripDropDownButton class that displays the specified text and image.

public:
 ToolStripDropDownButton(System::String ^ text, System::Drawing::Image ^ image);

public ToolStripDropDownButton (string text, System.Drawing.Image image);

public ToolStripDropDownButton (string? text, System.Drawing.Image? image);

new System.Windows.Forms.ToolStripDropDownButton : string * System.Drawing.Image -> System.Windows.Forms.ToolStripDropDownButton

Public Sub New (text As String, image As Image)

Parameters

text: String

The text to be displayed on the ToolStripDropDownButton.

image: Image

An Image to be displayed on the ToolStripDropDownButton.

Applies to

ToolStripDropDownButton(String, Image, EventHandler)

Initializes a new instance of the ToolStripDropDownButton class that displays the specified text and image and raises the Click event.

public:
 ToolStripDropDownButton(System::String ^ text, System::Drawing::Image ^ image, EventHandler ^ onClick);

public ToolStripDropDownButton (string text, System.Drawing.Image image, EventHandler onClick);

public ToolStripDropDownButton (string? text, System.Drawing.Image? image, EventHandler? onClick);

new System.Windows.Forms.ToolStripDropDownButton : string * System.Drawing.Image * EventHandler -> System.Windows.Forms.ToolStripDropDownButton

Public Sub New (text As String, image As Image, onClick As EventHandler)

Parameters

text: String

The text to be displayed on the ToolStripDropDownButton.

image: Image

An Image to be displayed on the ToolStripDropDownButton.

onClick: EventHandler

The event handler for the Click event.

Applies to

ToolStripDropDownButton(String, Image, ToolStripItem[])

Initializes a new instance of the ToolStripDropDownButton class.

public:
 ToolStripDropDownButton(System::String ^ text, System::Drawing::Image ^ image, ... cli::array <System::Windows::Forms::ToolStripItem ^> ^ dropDownItems);

public ToolStripDropDownButton (string text, System.Drawing.Image image, params System.Windows.Forms.ToolStripItem[] dropDownItems);

public ToolStripDropDownButton (string? text, System.Drawing.Image? image, params System.Windows.Forms.ToolStripItem[]? dropDownItems);

new System.Windows.Forms.ToolStripDropDownButton : string * System.Drawing.Image * System.Windows.Forms.ToolStripItem[] -> System.Windows.Forms.ToolStripDropDownButton

Public Sub New (text As String, image As Image, ParamArray dropDownItems As ToolStripItem())

Parameters

text: String

The text to be displayed on the ToolStripDropDownButton.

image: Image

An Image to be displayed on the ToolStripDropDownButton.

dropDownItems: ToolStripItem[]

An array of type ToolStripItem containing the items of the ToolStripDropDownButton.

Applies to

ToolStripDropDownButton(String, Image, EventHandler, String)

Initializes a new instance of the ToolStripDropDownButton class that has the specified name, displays the specified text and image, and raises the Click event.

public:
 ToolStripDropDownButton(System::String ^ text, System::Drawing::Image ^ image, EventHandler ^ onClick, System::String ^ name);

public ToolStripDropDownButton (string text, System.Drawing.Image image, EventHandler onClick, string name);

public ToolStripDropDownButton (string? text, System.Drawing.Image? image, EventHandler? onClick, string? name);

new System.Windows.Forms.ToolStripDropDownButton : string * System.Drawing.Image * EventHandler * string -> System.Windows.Forms.ToolStripDropDownButton

Public Sub New (text As String, image As Image, onClick As EventHandler, name As String)

Parameters

text: String

The text to be displayed on the ToolStripDropDownButton.

image: Image

An Image to be displayed on the ToolStripDropDownButton.

onClick: EventHandler

The event handler for the Click event.

name: String

The name of the ToolStripDropDownButton.

Applies to

Megosztás a következőn keresztül:

ToolStripDropDownButton Constructors

Definition

Overloads

ToolStripDropDownButton()

Examples

Applies to

ToolStripDropDownButton(Image)

Parameters

Applies to

ToolStripDropDownButton(String)

Parameters

Applies to

ToolStripDropDownButton(String, Image)

Parameters

Applies to

ToolStripDropDownButton(String, Image, EventHandler)

Parameters

Applies to

ToolStripDropDownButton(String, Image, ToolStripItem[])

Parameters

Applies to

ToolStripDropDownButton(String, Image, EventHandler, String)

Parameters

Applies to

További források