NotifyIcon.DoubleClick イベント
定義
重要
一部の情報は、リリース前に大きく変更される可能性があるプレリリースされた製品に関するものです。 Microsoft は、ここに記載されている情報について、明示または黙示を問わず、一切保証しません。
ユーザーがタスクバーの通知のアイコンをダブルクリックすると発生します。
public:
event EventHandler ^ DoubleClick;
public event EventHandler DoubleClick;
public event EventHandler? DoubleClick;
member this.DoubleClick : EventHandler
Public Custom Event DoubleClick As EventHandler
イベントの種類
例
次のコード例では、 クラスを NotifyIcon 使用して通知領域にアプリケーションのアイコンを表示する方法を示します。 この例では、、ContextMenu、、および の各プロパティをIcon設定しVisible、イベントを処理する方法をDoubleClick示Textします。 ContextMenu Exit 項目を持つ が プロパティにNotifyIcon.ContextMenu割り当てられ、ユーザーはアプリケーションを閉じることができます。 イベントが DoubleClick 発生すると、 メソッドを呼び出してアプリケーション フォームが Form.Activate アクティブになります。
#using <System.dll>
#using <System.Windows.Forms.dll>
#using <System.Drawing.dll>
using namespace System;
using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public System::Windows::Forms::Form
{
private:
System::Windows::Forms::NotifyIcon^ notifyIcon1;
System::Windows::Forms::ContextMenu^ contextMenu1;
System::Windows::Forms::MenuItem^ menuItem1;
System::ComponentModel::IContainer^ components;
public:
Form1()
{
this->components = gcnew System::ComponentModel::Container;
this->contextMenu1 = gcnew System::Windows::Forms::ContextMenu;
this->menuItem1 = gcnew System::Windows::Forms::MenuItem;
// Initialize contextMenu1
array<System::Windows::Forms::MenuItem^>^temp0 = {this->menuItem1};
this->contextMenu1->MenuItems->AddRange( temp0 );
// Initialize menuItem1
this->menuItem1->Index = 0;
this->menuItem1->Text = "E&xit";
this->menuItem1->Click += gcnew System::EventHandler( this, &Form1::menuItem1_Click );
// Set up how the form should be displayed.
this->ClientSize = System::Drawing::Size( 292, 266 );
this->Text = "Notify Icon Example";
// Create the NotifyIcon.
this->notifyIcon1 = gcnew System::Windows::Forms::NotifyIcon( this->components );
// The Icon property sets the icon that will appear
// in the systray for this application.
notifyIcon1->Icon = gcnew System::Drawing::Icon( "appicon.ico" );
// The ContextMenu property sets the menu that will
// appear when the systray icon is right clicked.
notifyIcon1->ContextMenu = this->contextMenu1;
// The Text property sets the text that will be displayed,
// in a tooltip, when the mouse hovers over the systray icon.
notifyIcon1->Text = "Form1 (NotifyIcon example)";
notifyIcon1->Visible = true;
// Handle the DoubleClick event to activate the form.
notifyIcon1->DoubleClick += gcnew System::EventHandler( this, &Form1::notifyIcon1_DoubleClick );
}
protected:
~Form1()
{
if ( components != nullptr )
{
delete components;
}
}
private:
void notifyIcon1_DoubleClick( Object^ /*Sender*/, EventArgs^ /*e*/ )
{
// Show the form when the user double clicks on the notify icon.
// Set the WindowState to normal if the form is minimized.
if ( this->WindowState == FormWindowState::Minimized )
this->WindowState = FormWindowState::Normal;
// Activate the form.
this->Activate();
}
void menuItem1_Click( Object^ /*Sender*/, EventArgs^ /*e*/ )
{
// Close the form, which closes the application.
this->Close();
}
};
[STAThread]
int main()
{
Application::Run( gcnew Form1 );
}
using System;
using System.Drawing;
using System.Windows.Forms;
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.NotifyIcon notifyIcon1;
private System.Windows.Forms.ContextMenu contextMenu1;
private System.Windows.Forms.MenuItem menuItem1;
private System.ComponentModel.IContainer components;
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
public Form1()
{
this.components = new System.ComponentModel.Container();
this.contextMenu1 = new System.Windows.Forms.ContextMenu();
this.menuItem1 = new System.Windows.Forms.MenuItem();
// Initialize contextMenu1
this.contextMenu1.MenuItems.AddRange(
new System.Windows.Forms.MenuItem[] {this.menuItem1});
// Initialize menuItem1
this.menuItem1.Index = 0;
this.menuItem1.Text = "E&xit";
this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
// Set up how the form should be displayed.
this.ClientSize = new System.Drawing.Size(292, 266);
this.Text = "Notify Icon Example";
// Create the NotifyIcon.
this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
// The Icon property sets the icon that will appear
// in the systray for this application.
notifyIcon1.Icon = new Icon("appicon.ico");
// The ContextMenu property sets the menu that will
// appear when the systray icon is right clicked.
notifyIcon1.ContextMenu = this.contextMenu1;
// The Text property sets the text that will be displayed,
// in a tooltip, when the mouse hovers over the systray icon.
notifyIcon1.Text = "Form1 (NotifyIcon example)";
notifyIcon1.Visible = true;
// Handle the DoubleClick event to activate the form.
notifyIcon1.DoubleClick += new System.EventHandler(this.notifyIcon1_DoubleClick);
}
protected override void Dispose( bool disposing )
{
// Clean up any components being used.
if( disposing )
if (components != null)
components.Dispose();
base.Dispose( disposing );
}
private void notifyIcon1_DoubleClick(object Sender, EventArgs e)
{
// Show the form when the user double clicks on the notify icon.
// Set the WindowState to normal if the form is minimized.
if (this.WindowState == FormWindowState.Minimized)
this.WindowState = FormWindowState.Normal;
// Activate the form.
this.Activate();
}
private void menuItem1_Click(object Sender, EventArgs e) {
// Close the form, which closes the application.
this.Close();
}
}
Imports System.Drawing
Imports System.Windows.Forms
Public NotInheritable Class Form1
Inherits System.Windows.Forms.Form
Private contextMenu1 As System.Windows.Forms.ContextMenu
Friend WithEvents menuItem1 As System.Windows.Forms.MenuItem
Friend WithEvents notifyIcon1 As System.Windows.Forms.NotifyIcon
Private components As System.ComponentModel.IContainer
<System.STAThread()> _
Public Shared Sub Main()
System.Windows.Forms.Application.Run(New Form1)
End Sub
Public Sub New()
Me.components = New System.ComponentModel.Container
Me.contextMenu1 = New System.Windows.Forms.ContextMenu
Me.menuItem1 = New System.Windows.Forms.MenuItem
' Initialize contextMenu1
Me.contextMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() _
{Me.menuItem1})
' Initialize menuItem1
Me.menuItem1.Index = 0
Me.menuItem1.Text = "E&xit"
' Set up how the form should be displayed.
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Text = "Notify Icon Example"
' Create the NotifyIcon.
Me.notifyIcon1 = New System.Windows.Forms.NotifyIcon(Me.components)
' The Icon property sets the icon that will appear
' in the systray for this application.
notifyIcon1.Icon = New Icon("appicon.ico")
' The ContextMenu property sets the menu that will
' appear when the systray icon is right clicked.
notifyIcon1.ContextMenu = Me.contextMenu1
' The Text property sets the text that will be displayed,
' in a tooltip, when the mouse hovers over the systray icon.
notifyIcon1.Text = "Form1 (NotifyIcon example)"
notifyIcon1.Visible = True
End Sub
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
' Clean up any components being used.
If disposing Then
If (components IsNot Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Private Sub notifyIcon1_DoubleClick(Sender as object, e as EventArgs) handles notifyIcon1.DoubleClick
' Show the form when the user double clicks on the notify icon.
' Set the WindowState to normal if the form is minimized.
if (me.WindowState = FormWindowState.Minimized) then _
me.WindowState = FormWindowState.Normal
' Activate the form.
me.Activate()
end sub
Private Sub menuItem1_Click(Sender as object, e as EventArgs) handles menuItem1.Click
' Close the form, which closes the application.
me.Close()
end sub
End Class
注釈
イベントを処理する方法の詳細については、次を参照してください。処理とイベントの発生します。
適用対象
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