ToolStripDropDownButton 建構函式

定義

命名空間:

System.Windows.Forms

組件:

System.Windows.Forms.dll

初始化 ToolStripDropDownButton 類別的新執行個體。

多載

名稱	Description
ToolStripDropDownButton()	初始化 ToolStripDropDownButton 類別的新執行個體。
ToolStripDropDownButton(Image)	初始化一個新的類別實例 ToolStripDropDownButton ，顯示指定的影像。
ToolStripDropDownButton(String)	初始化顯示指定文字的類別新實例 ToolStripDropDownButton 。
ToolStripDropDownButton(String, Image)	初始化一個新的類別實例 ToolStripDropDownButton ，顯示指定的文字與圖片。
ToolStripDropDownButton(String, Image, EventHandler)	初始化一個新的類別實例 ToolStripDropDownButton ，顯示指定的文字與圖片並引發 Click 事件。
ToolStripDropDownButton(String, Image, ToolStripItem[])	初始化 ToolStripDropDownButton 類別的新執行個體。
ToolStripDropDownButton(String, Image, EventHandler, String)	初始化一個擁有指定名稱的類別新實例ToolStripDropDownButton，顯示指定的文字與圖片，並提出事件。Click

ToolStripDropDownButton()

來源:

ToolStripDropDownButton.cs

初始化 ToolStripDropDownButton 類別的新執行個體。

public:
 ToolStripDropDownButton();

public ToolStripDropDownButton();

Public Sub New ()

範例

以下程式碼範例建立並初始化一個控制項 ToolStripDropDownButton 。

// 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

ToolStripDropDownButton(Image)

來源:

ToolStripDropDownButton.cs

初始化一個新的類別實例 ToolStripDropDownButton ，顯示指定的影像。

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)

參數

image

Image

一個 Image 將顯示於 ToolStripDropDownButton.

ToolStripDropDownButton(String)

來源:

ToolStripDropDownButton.cs

初始化顯示指定文字的類別新實例 ToolStripDropDownButton 。

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

public ToolStripDropDownButton(string? text);

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

Public Sub New (text As String)

參數

text

String

要顯示在 ToolStripDropDownButton.

ToolStripDropDownButton(String, Image)

來源:

ToolStripDropDownButton.cs

初始化一個新的類別實例 ToolStripDropDownButton ，顯示指定的文字與圖片。

public:
 ToolStripDropDownButton(System::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)

參數

text

String

要顯示在 ToolStripDropDownButton.

image

Image

一個 Image 將顯示於 ToolStripDropDownButton.

ToolStripDropDownButton(String, Image, EventHandler)

來源:

ToolStripDropDownButton.cs

初始化一個新的類別實例 ToolStripDropDownButton ，顯示指定的文字與圖片並引發 Click 事件。

public:
 ToolStripDropDownButton(System::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)

參數

text

String

要顯示在 ToolStripDropDownButton.

image

Image

一個 Image 將顯示於 ToolStripDropDownButton.

onClick

EventHandler

活動的主持 Click 人。

ToolStripDropDownButton(String, Image, ToolStripItem[])

來源:

ToolStripDropDownButton.cs

初始化 ToolStripDropDownButton 類別的新執行個體。

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);

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())

參數

text

String

要顯示在 ToolStripDropDownButton.

image

Image

一個 Image 將顯示於 ToolStripDropDownButton.

dropDownItems

ToolStripItem[]

一個型態 ToolStripItem 為 的陣列，包含 的項目 ToolStripDropDownButton。

ToolStripDropDownButton(String, Image, EventHandler, String)

來源:

ToolStripDropDownButton.cs

初始化一個擁有指定名稱的類別新實例ToolStripDropDownButton，顯示指定的文字與圖片，並提出事件。Click

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);

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)

參數

text

String

要顯示在 ToolStripDropDownButton.

image

Image

一個 Image 將顯示於 ToolStripDropDownButton.

onClick

EventHandler

活動的主持 Click 人。

name

String

這個名稱 ToolStripDropDownButton。