DataGridTableStyle::HeaderFontChanged Event

 

Occurs when the HeaderFont value changes.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

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

For more information about handling events, see Handling and Raising Events.

The following code example demonstrates the use of this member.

private:
   void AddCustomDataTableStyle()
   {
      myDataGridTableStyle1 = gcnew DataGridTableStyle;
      myDataGridTableStyle2 = gcnew DataGridTableStyle;
      MessageBox::Show( String::Concat( "LinkColor Before : ", myDataGridTableStyle1->LinkColor ) );
      MessageBox::Show( String::Concat( "HeaderFont Before : ", myDataGridTableStyle1->HeaderFont ) );
      myDataGridTableStyle1->LinkColorChanged += gcnew System::EventHandler( this, &DataGridTableStyle_Sample::LinkColorChanged_Handler );
      myDataGridTableStyle1->HeaderFontChanged += gcnew System::EventHandler( this, &DataGridTableStyle_Sample::HeaderFontChanged_Handler );
      myDataGridTableStyle1->MappingName = "Customers";

      // Set other properties.
      myDataGridTableStyle1->AlternatingBackColor = Color::LightGray;
      myDataGridTableStyle1->LinkColor = Color::Red;
      myDataGridTableStyle1->HeaderFont = gcnew 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 = gcnew DataGridBoolColumn;
      myBoolCol->MappingName = "Current";
      myBoolCol->HeaderText = "IsCurrent Customer";
      myBoolCol->Width = 150;
      myDataGridTableStyle1->GridColumnStyles->Add( myBoolCol );

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

      // Create new ColumnStyle objects
      DataGridColumnStyle^ cOrderDate = gcnew 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 = gcnew DataGridTextBoxColumn( myPropertyDescriptorCollection[ "OrderAmount" ],"c",true );
      csOrderAmount->MappingName = "OrderAmount";
      csOrderAmount->HeaderText = "Total";
      csOrderAmount->Width = 100;

      // Add the DataGridTableStyle instances to GridTableStylesCollection.
      myDataGrid->TableStyles->Add( myDataGridTableStyle1 );
   }

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

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

.NET Framework
Available since 1.1
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