DataGridTableStyle.HeaderForeColorChanged Evento

Definición

Se produce cuando cambia el valor HeaderForeColor.Occurs when the HeaderForeColor value changes.

public:
 event EventHandler ^ HeaderForeColorChanged;
public event EventHandler HeaderForeColorChanged;
member this.HeaderForeColorChanged : EventHandler 
Public Custom Event HeaderForeColorChanged As EventHandler 

Ejemplos

En el ejemplo de código siguiente se muestra el uso de este miembro.The following code example demonstrates the use of this member.

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 );
   }

   // Change header forecolor.
   void OnHeaderForeColor_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      dataGrid1->TableStyles->Clear();
      String^ str = dynamic_cast<String^>(comboBox1->SelectedItem);
      if ( str->Equals( "Green" ) )
               myTableStyle->ForeColor = Color::Green;
      else
      if ( str->Equals( "White" ) )
               myTableStyle->ForeColor = Color::White;
      else
      if ( str->Equals( "Violet" ) )
               myTableStyle->ForeColor = Color::Violet;

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

   void HeaderForeColorChangedHandler( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      MessageBox::Show( String::Concat( "Changed Header Fore color to : ", comboBox2->SelectedItem ), "Success", MessageBoxButtons::OK, MessageBoxIcon::Exclamation );
   }
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);
}

// Change header forecolor.
private void OnHeaderForeColor_Click(object sender, System.EventArgs e)
{
   dataGrid1.TableStyles.Clear();
   switch(comboBox2.SelectedItem.ToString())
   {
      case "Green":
         myTableStyle.HeaderForeColor = Color.Green;
         break;
      case "White":
         myTableStyle.HeaderForeColor = Color.White;
         break;
      case "Violet":
         myTableStyle.HeaderForeColor = Color.Violet;
         break;
   }
   myTableStyle.AlternatingBackColor = Color.LightGray;
   dataGrid1.TableStyles.Add(myTableStyle);
}

private void HeaderForeColorChangedHandler(object sender,EventArgs e)
{
   MessageBox.Show("Changed Header Fore color to : " + 
   comboBox2.SelectedItem.ToString(), "Success",
   MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
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


' 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

  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

' Change header forecolor.
Private Sub OnHeaderForeColor_Click(sender As Object, e As System.EventArgs) Handles button2.Click
   dataGrid1.TableStyles.Clear()
   Select Case comboBox2.SelectedItem.ToString()
      Case "Green"
         myTableStyle.HeaderForeColor = Color.Green
      Case "White"
         myTableStyle.HeaderForeColor = Color.White
      Case "Violet"
         myTableStyle.HeaderForeColor = Color.Violet
   End Select
   myTableStyle.AlternatingBackColor = Color.LightGray
   dataGrid1.TableStyles.Add(myTableStyle)
End Sub

  Private Sub HeaderForeColorChangedHandler(ByVal sender As Object, ByVal e As EventArgs)
      MessageBox.Show("Changed Header Fore color to : " + comboBox2.SelectedItem.ToString(), "Success", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
  End Sub

Comentarios

Para obtener más información sobre el manejo de eventos, consulte controlar y provocar eventos.For more information about handling events, see Handling and Raising Events.

Se aplica a

Consulte también: