DataGridTableStyle.HeaderBackColorChanged イベント

.NET Framework クラス ライブラリ リファレンス

DataGridTableStyle.HeaderBackColorChanged イベント

HeaderBackColor の値が変更された場合に発生します。

名前空間: System.Windows.Forms
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)
構文

Visual Basic (宣言)

Public Event HeaderBackColorChanged As
 EventHandler

Visual Basic (使用法)

Dim instance As DataGridTableStyle
Dim handler As EventHandler

AddHandler instance.HeaderBackColorChanged, handler

C#

public event EventHandler HeaderBackColorChanged

C++

public:
event EventHandler^ HeaderBackColorChanged {
    void add (EventHandler^ value);
    void remove (EventHandler^ value);
}

J#

/** @event */
public void add_HeaderBackColorChanged (EventHandler
 value)

/** @event */
public void remove_HeaderBackColorChanged (EventHandler
 value)

JScript

JScript では、イベントは使用できますが、新規に宣言することはできません。

使用例

Visual Basic

Private Sub Create_Table()
   ' Create DataSet.
   myDataSet = New DataSet("myDataSet")
   ' Create DataTable.
   Dim myCustomerTable As New
 DataTable("Customers")
   ' Create two columns, and add them to the table.
   Dim CustID As New DataColumn("CustID",
 GetType(Integer))
   Dim CustName As New DataColumn("CustName")
   myCustomerTable.Columns.Add(CustID)
   myCustomerTable.Columns.Add(CustName)
   ' Add table to DataSet.
   myDataSet.Tables.Add(myCustomerTable)
   dataGrid1.SetDataBinding(myDataSet, "Customers")
   myTableStyle = New DataGridTableStyle()
   myTableStyle.MappingName = "Customers"
   AddHandler myTableStyle.HeaderBackColorChanged, AddressOf
 HeaderBackColorChangedHandler
   AddHandler myTableStyle.HeaderForeColorChanged, AddressOf
 HeaderForeColorChangedHandler
End Sub 'Create_Table


' Change header background color.
Private Sub OnHeaderBackColor_Click(sender
 As Object, e As System.EventArgs)
 Handles button1.Click
   dataGrid1.TableStyles.Clear()
   Select Case comboBox1.SelectedItem.ToString()
      Case "Red"
         myTableStyle.HeaderBackColor = Color.Red
      Case "Yellow"
         myTableStyle.HeaderBackColor = Color.Yellow
      Case "Blue"
         myTableStyle.HeaderBackColor = Color.Blue
   End Select
   myTableStyle.AlternatingBackColor = Color.LightGray
   dataGrid1.TableStyles.Add(myTableStyle)
End Sub 'OnHeaderBackColor_Click

  Private Sub HeaderBackColorChangedHandler(ByVal
 sender As Object, ByVal
 e As EventArgs)
      MessageBox.Show("Changed Header Background color to : "
 + comboBox1.SelectedItem.ToString(), "Success",
 MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
  End Sub 'HeaderBackColorChangedHandler

C#

private void Create_Table()
{
   // Create DataSet.
   myDataSet = new DataSet("myDataSet");
   // Create DataTable.
   DataTable myCustomerTable = new DataTable("Customers");
   // Create two columns, and add them to the table.
   DataColumn CustID = new DataColumn("CustID", typeof(int));
   DataColumn CustName = new DataColumn("CustName");
   myCustomerTable.Columns.Add(CustID);
   myCustomerTable.Columns.Add(CustName);
   // Add table to DataSet.
   myDataSet.Tables.Add(myCustomerTable);
   dataGrid1.SetDataBinding(myDataSet,"Customers");
   myTableStyle = new DataGridTableStyle();
   myTableStyle.MappingName = "Customers";
   myTableStyle.HeaderBackColorChanged += 
      new System.EventHandler(HeaderBackColorChangedHandler);
 
   myTableStyle.HeaderForeColorChanged +=
      new System.EventHandler(HeaderForeColorChangedHandler);
 
}

// Change header background color.
private void OnHeaderBackColor_Click(object
 sender, System.EventArgs e)
{
   dataGrid1.TableStyles.Clear ();
   switch(comboBox1.SelectedItem.ToString())
   {
      case "Red":
         myTableStyle.HeaderBackColor = Color.Red;
         break;
      case "Yellow":
         myTableStyle.HeaderBackColor = Color.Yellow ;
         break;
      case "Blue":
         myTableStyle.HeaderBackColor = Color.Blue ;
         break;
   }
   myTableStyle.AlternatingBackColor = Color.LightGray;
   dataGrid1.TableStyles.Add(myTableStyle);
}

private void HeaderBackColorChangedHandler(object
 sender,EventArgs e)
{
   MessageBox.Show("Changed Header Background color to : " + 
   comboBox1.SelectedItem.ToString(),"Success", MessageBoxButtons.OK, 
   MessageBoxIcon.Exclamation);
}

C++

private:
   void Create_Table()
   {
      // Create DataSet.
      myDataSet = gcnew DataSet( "myDataSet" );

      // Create DataTable.
      DataTable^ myCustomerTable = gcnew DataTable( "Customers" );

      // Create two columns, and add them to the table.
      DataColumn^ CustID = gcnew DataColumn( "CustID",int::typeid
 );
      DataColumn^ CustName = gcnew DataColumn( "CustName" );
      myCustomerTable->Columns->Add( CustID );
      myCustomerTable->Columns->Add( CustName );

      // Add table to DataSet.
      myDataSet->Tables->Add( myCustomerTable );
      dataGrid1->SetDataBinding( myDataSet, "Customers" );
      myTableStyle = gcnew DataGridTableStyle;
      myTableStyle->MappingName = "Customers";
      myTableStyle->HeaderBackColorChanged += gcnew System::EventHandler( this,
 &Form1::HeaderBackColorChangedHandler );
      myTableStyle->HeaderForeColorChanged += gcnew System::EventHandler( this,
 &Form1::HeaderForeColorChangedHandler );
   }

   // Change header background color.
   void OnHeaderBackColor_Click( Object^ /*sender*/, System::EventArgs^
 /*e*/ )
   {
      dataGrid1->TableStyles->Clear();
      String^ str = dynamic_cast<String^>(comboBox1->SelectedItem);
      if ( str->Equals( "Red" ) )
               myTableStyle->ForeColor = Color::Red;
      else
      if ( str->Equals( "Yellow" ) )
               myTableStyle->ForeColor = Color::Yellow;
      else
      if ( str->Equals( "Blue" ) )
               myTableStyle->ForeColor = Color::Blue;

      myTableStyle->AlternatingBackColor = Color::LightGray;
      dataGrid1->TableStyles->Add( myTableStyle );
   }

   void HeaderBackColorChangedHandler( Object^ /*sender*/, EventArgs^
 /*e*/ )
   {
      MessageBox::Show( String::Concat( "Changed Header Background color to
 : ", comboBox1->SelectedItem ), "Success", MessageBoxButtons::OK,
 MessageBoxIcon::Exclamation );
   }

J#

private void Create_Table()
{
    // Create DataSet.
    myDataSet = new DataSet("myDataSet");

    // Create DataTable.
    DataTable myCustomerTable = new DataTable("Customers");

    // Create two columns, and add them to the table.
    DataColumn custID = new DataColumn("CustID", int.class.ToType());
    DataColumn custName = new DataColumn("CustName");

    myCustomerTable.get_Columns().Add(custID);
    myCustomerTable.get_Columns().Add(custName);

    // Add table to DataSet.
    myDataSet.get_Tables().Add(myCustomerTable);
    dataGrid1.SetDataBinding(myDataSet, "Customers");
    myTableStyle = new DataGridTableStyle();
    myTableStyle.set_MappingName("Customers");
    myTableStyle.add_HeaderBackColorChanged(
        new System.EventHandler(HeaderBackColorChangedHandler));
    myTableStyle.add_HeaderForeColorChanged(
        new System.EventHandler(HeaderForeColorChangedHandler));
} //Create_Table

// Change header background color.
private void OnHeaderBackColor_Click(Object
 sender, System.EventArgs e)
{
    dataGrid1.get_TableStyles().Clear();
    if (comboBox1.get_SelectedItem().ToString().Equals("Red"))
 {
        myTableStyle.set_HeaderBackColor(Color.get_Red());
    }
    else if (comboBox1.get_SelectedItem().ToString().Equals("Yellow"))
 {
        myTableStyle.set_HeaderBackColor(Color.get_Yellow());
    }
    else if (comboBox1.get_SelectedItem().ToString().Equals("Blue"))
 {
        myTableStyle.set_HeaderBackColor(Color.get_Blue());
    }
    myTableStyle.set_AlternatingBackColor(Color.get_LightGray());
    dataGrid1.get_TableStyles().Add(myTableStyle);
} //OnHeaderBackColor_Click

void HeaderBackColorChangedHandler(Object sender, EventArgs e)
{
    MessageBox.Show("Changed Header Background color to : " 
        + comboBox1.get_SelectedItem().ToString(), "Success", 
        MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
} //HeaderBackColorChangedHandler

プラットフォーム

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0

参照

関連項目
DataGridTableStyle クラス
DataGridTableStyle メンバ
System.Windows.Forms 名前空間