ScrollEventArgs.NewValue プロパティ

スクロール バーの新しい Value を取得または設定します。

Public Property NewValue As Integer
[C#]
public int NewValue {get; set;}
[C++]
public: __property int get_NewValue();public: __property void set_NewValue(int);
[JScript]
public function get NewValue() : int;public function set NewValue(int);

プロパティ値

Value プロパティが変更される場合の数値。

使用例

 
Private Sub AddMyScrollEventHandlers()
    ' Create and initialize a VScrollBar.
    Dim vScrollBar1 As New VScrollBar()
    
    ' Add event handlers for the OnScroll and OnValueChanged events.
    AddHandler vScrollBar1.Scroll, AddressOf Me.vScrollBar1_Scroll
    AddHandler vScrollBar1.ValueChanged, AddressOf Me.vScrollBar1_ValueChanged
End Sub    

' Create the ValueChanged event handler.
Private Sub vScrollBar1_ValueChanged(sender As Object, e As EventArgs)
    ' Display the new value in the label.
    label1.Text = "vScrollBar Value:(OnValueChanged Event) " & _
        vScrollBar1.Value.ToString()
End Sub    

' Create the Scroll event handler.
Private Sub vScrollBar1_Scroll(sender As Object, e As ScrollEventArgs)
    ' Display the new value in the label.
    label1.Text = "VScrollBar Value:(OnScroll Event) " & _
        e.NewValue.ToString()
End Sub    

Private Sub button1_Click(sender As Object, e As EventArgs)
    ' Add 40 to the Value property if it will not exceed the Maximum value.
    If vScrollBar1.Value + 40 < vScrollBar1.Maximum Then
        vScrollBar1.Value = vScrollBar1.Value + 40
    End If
End Sub


[C#] 
private void AddMyScrollEventHandlers()
 {
    // Create and initialize a VScrollBar.
    VScrollBar vScrollBar1 = new VScrollBar();
 
    // Add event handlers for the OnScroll and OnValueChanged events.
    vScrollBar1.Scroll += new ScrollEventHandler(
       this.vScrollBar1_Scroll);
    vScrollBar1.ValueChanged += new EventHandler(
       this.vScrollBar1_ValueChanged); 
 }
 
 // Create the ValueChanged event handler.
 private void vScrollBar1_ValueChanged(Object sender, 
                                       EventArgs e)
 {
     // Display the new value in the label.
     label1.Text = "vScrollBar Value:(OnValueChanged Event) " + vScrollBar1.Value.ToString();
 }
 
 // Create the Scroll event handler.
 private void vScrollBar1_Scroll(Object sender, 
                                 ScrollEventArgs e)
 {
     // Display the new value in the label.
     label1.Text = "VScrollBar Value:(OnScroll Event) " + e.NewValue.ToString();
 }
 
 private void button1_Click(Object sender, 
                           EventArgs e)
 {
    // Add 40 to the Value property if it will not exceed the Maximum value.
    if (vScrollBar1.Value + 40 < vScrollBar1.Maximum)
    {
        vScrollBar1.Value = vScrollBar1.Value + 40;
    }
 }
 

[C++] 
private:
 void AddMyScrollEventHandlers()
 {
    // Create and initialize a VScrollBar.
    VScrollBar* vScrollBar1 = new VScrollBar();
 
    // Add event handlers for the OnScroll and OnValueChanged events.
    vScrollBar1->Scroll += new ScrollEventHandler(this, 
       &Form1::vScrollBar1_Scroll);
    vScrollBar1->ValueChanged += new EventHandler(this, 
       &Form1::vScrollBar1_ValueChanged); 
 }
 
 // Create the ValueChanged event handler.
 void vScrollBar1_ValueChanged(Object* /*sender*/, 
                               EventArgs* /*e*/)
 {
     // Display the new value in the label.
     label1->Text = String::Format( S"vScrollBar Value:(OnValueChanged Event) {0}",
         __box(vScrollBar1->Value));
 }
 
 // Create the Scroll event handler.
 void vScrollBar1_Scroll(Object* /*sender*/, 
                         ScrollEventArgs* e)
 {
     // Display the new value in the label.
     label1->Text = String::Format( S"VScrollBar Value:(OnScroll Event) {0}",
         __box(e->NewValue));
 }
 
 void button1_Click(Object* /*sender*/, 
                    EventArgs* /*e*/)
 {
    // Add 40 to the Value property if it will not exceed the Maximum value.
    if (vScrollBar1->Value + 40 < vScrollBar1->Maximum)
    {
        vScrollBar1->Value = vScrollBar1->Value + 40;
    }
 }
 

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必要条件

プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ

参照

ScrollEventArgs クラス | ScrollEventArgs メンバ | System.Windows.Forms 名前空間 | Value