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Evento DataGridTableStyle.HeaderFontChanged

Viene generato quando si modifica il valore della proprietà HeaderFont.

Spazio dei nomi: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

public event EventHandler HeaderFontChanged
/** @event */
public void add_HeaderFontChanged (EventHandler value)

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

JScript supporta l'utilizzo di eventi ma non la dichiarazione di nuovi.

Per ulteriori informazioni sulla gestione di eventi, vedere Utilizzo degli eventi.

private void AddCustomDataTableStyle()
{
   myDataGridTableStyle1 = new DataGridTableStyle();
   myDataGridTableStyle2 = new DataGridTableStyle();

   MessageBox.Show("LinkColor Before : "
      +myDataGridTableStyle1.LinkColor);
   MessageBox.Show("HeaderFont Before : "
      +myDataGridTableStyle1.HeaderFont);
   
   myDataGridTableStyle1.LinkColorChanged +=
      new System.EventHandler(LinkColorChanged_Handler);
   myDataGridTableStyle1.HeaderFontChanged 
      += new System.EventHandler(HeaderFontChanged_Handler);
   myDataGridTableStyle1.MappingName = "Customers";

   // Set other properties.
   myDataGridTableStyle1.AlternatingBackColor = Color.LightGray;
   myDataGridTableStyle1.LinkColor = Color.Red;         
   myDataGridTableStyle1.HeaderFont = 
      new System.Drawing.Font("Verdana",
         8.25F,
         System.Drawing.FontStyle.Bold, 
         System.Drawing.GraphicsUnit.Point,
         ((System.Byte)(0)));

   // Add a GridColumnStyle and set its MappingName.             
   DataGridColumnStyle myBoolCol = new DataGridBoolColumn();
   myBoolCol.MappingName = "Current";
   myBoolCol.HeaderText = "IsCurrent Customer";
   myBoolCol.Width = 150;
   myDataGridTableStyle1.GridColumnStyles.Add(myBoolCol);

   // Add a second column style.
   DataGridColumnStyle myTextCol = new DataGridTextBoxColumn();
   myTextCol.MappingName = "custName";
   myTextCol.HeaderText = "Customer Name";
   myTextCol.Width = 250;
   myDataGridTableStyle1.GridColumnStyles.Add(myTextCol);

   // Create new ColumnStyle objects
   DataGridColumnStyle cOrderDate = new DataGridTextBoxColumn();
   cOrderDate.MappingName = "OrderDate";
   cOrderDate.HeaderText = "Order Date";
   cOrderDate.Width = 100;

   // PropertyDescriptor to create a formatted column.
   PropertyDescriptorCollection myPropertyDescriptorCollection = this.BindingContext
      [myDataSet, "Customers.custToOrders"].GetItemProperties(); 
   
   DataGridColumnStyle csOrderAmount = 
      new DataGridTextBoxColumn(myPropertyDescriptorCollection["OrderAmount"], "c", true);
   csOrderAmount.MappingName = "OrderAmount";
   csOrderAmount.HeaderText = "Total";
   csOrderAmount.Width = 100;
        
   // Add the DataGridTableStyle instances to GridTableStylesCollection.
   myDataGrid.TableStyles.Add(myDataGridTableStyle1);

}
private void LinkColorChanged_Handler(object sender,EventArgs e)
{         
  MessageBox.Show("LinkColor changed to 'RED'", "DataGridTableStyle");
}

private void HeaderFontChanged_Handler(object sender,EventArgs e)
{                  
   MessageBox.Show("HeaderFont changed to 'VERDANA'",
      "DataGridTableStyle");
}

private void AddCustomDataTableStyle()
{
    myDataGridTableStyle1 = new DataGridTableStyle();
    myDataGridTableStyle2 = new DataGridTableStyle();
    MessageBox.Show("LinkColor Before : " 
        + myDataGridTableStyle1.get_LinkColor());
    MessageBox.Show("HeaderFont Before : " 
        + myDataGridTableStyle1.get_HeaderFont());
    myDataGridTableStyle1.add_LinkColorChanged(
        new System.EventHandler(LinkColorChanged_Handler));
    myDataGridTableStyle1.add_HeaderFontChanged(
        new System.EventHandler(HeaderFontChanged_Handler));
    myDataGridTableStyle1.set_MappingName("Customers");

    // Set other properties.
    myDataGridTableStyle1.set_AlternatingBackColor(Color.get_LightGray());
    myDataGridTableStyle1.set_LinkColor(Color.get_Red());
    myDataGridTableStyle1.set_HeaderFont(new System.Drawing.Font("Verdana",
        (float)8.25, System.Drawing.FontStyle.Bold, 
        System.Drawing.GraphicsUnit.Point, (ubyte)0));

    // Add a GridColumnStyle and set its MappingName.             
    DataGridColumnStyle myBoolCol = new DataGridBoolColumn();

    myBoolCol.set_MappingName("Current");
    myBoolCol.set_HeaderText("IsCurrent Customer");
    myBoolCol.set_Width(150);
    myDataGridTableStyle1.get_GridColumnStyles().Add(myBoolCol);

    // Add a second column style.
    DataGridColumnStyle myTextCol = new DataGridTextBoxColumn();

    myTextCol.set_MappingName("custName");
    myTextCol.set_HeaderText("Customer Name");
    myTextCol.set_Width(250);
    myDataGridTableStyle1.get_GridColumnStyles().Add(myTextCol);

    // Create new ColumnStyle objects
    DataGridColumnStyle cOrderDate = new DataGridTextBoxColumn();

    cOrderDate.set_MappingName("OrderDate");
    cOrderDate.set_HeaderText("Order Date");
    cOrderDate.set_Width(100);

    // PropertyDescriptor to create a formatted column.
    PropertyDescriptorCollection myPropertyDescriptorCollection = 
        this.get_BindingContext().get_Item(myDataSet, 
        "Customers.custToOrders").GetItemProperties();
    DataGridColumnStyle csOrderAmount = 
        new DataGridTextBoxColumn(myPropertyDescriptorCollection.
        get_Item("OrderAmount"), "c", true);

    csOrderAmount.set_MappingName("OrderAmount");
    csOrderAmount.set_HeaderText("Total");
    csOrderAmount.set_Width(100);

    // Add the DataGridTableStyle instances to GridTableStylesCollection.
    myDataGrid.get_TableStyles().Add(myDataGridTableStyle1);
} //AddCustomDataTableStyle

private void LinkColorChanged_Handler(Object sender, EventArgs e)
{
    MessageBox.Show("LinkColor changed to 'RED'", "DataGridTableStyle");
} //LinkColorChanged_Handler

private void HeaderFontChanged_Handler(Object sender, EventArgs e)
{
    MessageBox.Show("HeaderFont changed to 'VERDANA'", "DataGridTableStyle");
} //HeaderFontChanged_Handler

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

.NET Framework non supporta tutte le versioni di ciascuna piattaforma. Per un elenco delle versioni supportate, vedere Requisiti di sistema.

.NET Framework

Supportato in: 2.0 1.1 1.0
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