DataGridTableStyle.MappingNameChanged Событие
Важно!
Некоторые сведения относятся к предварительной версии продукта, в которую до выпуска могут быть внесены существенные изменения. Майкрософт не предоставляет никаких гарантий, явных или подразумеваемых, относительно приведенных здесь сведений.
Происходит при изменении значения свойства MappingName.
public:
event EventHandler ^ MappingNameChanged;
public event EventHandler MappingNameChanged;
member this.MappingNameChanged : EventHandler
Public Custom Event MappingNameChanged As EventHandler
В следующем примере кода показано использование этого элемента.
private:
void AddCustomDataTableStyle()
{
myDataGridTableStyle1 = gcnew DataGridTableStyle;
myDataGridTableStyle1->MappingNameChanged += gcnew System::EventHandler( this, &DataGridTableStyle_Sample::MappingNameChanged_Handler );
myDataGridTableStyle1->GridLineStyleChanged += gcnew System::EventHandler( this, &DataGridTableStyle_Sample::GridLineStyleChanged_Handler );
myDataGridTableStyle1->MappingName = "Customers";
// Set other properties.
myDataGridTableStyle1->AlternatingBackColor = Color::LightGray;
myDataGridTableStyle1->GridLineStyle = System::Windows::Forms::DataGridLineStyle::None;
// 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;
// Use 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 Object* to GridTableStylesCollection.
myDataGrid->TableStyles->Add( myDataGridTableStyle1 );
}
void MappingNameChanged_Handler( Object^ /*sender*/, EventArgs^ /*e*/ )
{
MessageBox::Show( "MappingName Changed", "DataGridTableStyle" );
}
void GridLineStyleChanged_Handler( Object^ /*sender*/, EventArgs^ /*e*/ )
{
MessageBox::Show( "GridLineStyle Changed", "DataGridTableStyle" );
}
private void AddCustomDataTableStyle()
{
myDataGridTableStyle1 = new DataGridTableStyle();
myDataGridTableStyle1.MappingNameChanged+=
new System.EventHandler(MappingNameChanged_Handler);
myDataGridTableStyle1.GridLineStyleChanged +=
new System.EventHandler(GridLineStyleChanged_Handler);
myDataGridTableStyle1.MappingName = "Customers";
// Set other properties.
myDataGridTableStyle1.AlternatingBackColor = Color.LightGray;
myDataGridTableStyle1.GridLineStyle=
System.Windows.Forms.DataGridLineStyle.None;
// 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;
// Use 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 object to GridTableStylesCollection.
myDataGrid.TableStyles.Add(myDataGridTableStyle1);
}
private void MappingNameChanged_Handler(object sender,EventArgs e)
{
MessageBox.Show("MappingName Changed", "DataGridTableStyle");
}
private void GridLineStyleChanged_Handler(object sender,EventArgs e)
{
MessageBox.Show("GridLineStyle Changed", "DataGridTableStyle");
}
Private Sub AddCustomDataTableStyle()
myDataGridTableStyle1 = New DataGridTableStyle()
AddHandler myDataGridTableStyle1.MappingNameChanged, AddressOf MappingNameChanged_Handler
AddHandler myDataGridTableStyle1.GridLineStyleChanged, AddressOf GridLineStyleChanged_Handler
myDataGridTableStyle1.MappingName = "Customers"
' Set other properties.
myDataGridTableStyle1.AlternatingBackColor = Color.LightGray
myDataGridTableStyle1.GridLineStyle = System.Windows.Forms.DataGridLineStyle.None
' Add a GridColumnStyle and set its MappingName.
Dim myBoolCol = New DataGridBoolColumn()
myBoolCol.MappingName = "Current"
myBoolCol.HeaderText = "IsCurrent Customer"
myBoolCol.Width = 150
myDataGridTableStyle1.GridColumnStyles.Add(myBoolCol)
' Add a second column style.
Dim myTextCol = New DataGridTextBoxColumn()
myTextCol.MappingName = "custName"
myTextCol.HeaderText = "Customer Name"
myTextCol.Width = 250
myDataGridTableStyle1.GridColumnStyles.Add(myTextCol)
' Create new ColumnStyle objects.
Dim cOrderDate = New DataGridTextBoxColumn()
cOrderDate.MappingName = "OrderDate"
cOrderDate.HeaderText = "Order Date"
cOrderDate.Width = 100
' Use PropertyDescriptor to create a formatted column.
Dim myPropertyDescriptorCollection As PropertyDescriptorCollection = _
Me.BindingContext(myDataSet, "Customers.custToOrders").GetItemProperties()
Dim csOrderAmount = New DataGridTextBoxColumn _
(myPropertyDescriptorCollection("OrderAmount"), "c", True)
csOrderAmount.MappingName = "OrderAmount"
csOrderAmount.HeaderText = "Total"
csOrderAmount.Width = 100
' Add the DataGridTableStyle object to GridTableStylesCollection.
myDataGrid.TableStyles.Add(myDataGridTableStyle1)
End Sub
Private Sub MappingNameChanged_Handler(ByVal sender As Object, ByVal e As EventArgs)
MessageBox.Show("MappingName Changed", "DataGridTableStyle")
End Sub
Private Sub GridLineStyleChanged_Handler(ByVal sender As Object, ByVal e As EventArgs)
MessageBox.Show("GridLineStyle Changed", "DataGridTableStyle")
End Sub
Дополнительные сведения об обработке событий см. в разделе "Обработка и создание событий".