DataGridTableStyle.LinkColorChanged Evento
Definição
Importante
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Ocorre quando o valor LinkColor é alterado.
public:
event EventHandler ^ LinkColorChanged;
public event EventHandler LinkColorChanged;
member this.LinkColorChanged : EventHandler
Public Custom Event LinkColorChanged As EventHandler
Tipo de evento
Exemplos
O exemplo de código a seguir demonstra o uso desse membro.
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" );
}
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 Sub AddCustomDataTableStyle()
myDataGridTableStyle1 = New DataGridTableStyle()
myDataGridTableStyle2 = New DataGridTableStyle()
MessageBox.Show("LinkColor Before : " & myDataGridTableStyle1.LinkColor.ToString)
MessageBox.Show("HeaderFont Before : " & myDataGridTableStyle1.HeaderFont.ToString)
AddHandler myDataGridTableStyle1.LinkColorChanged, AddressOf LinkColorChanged_Handler
AddHandler myDataGridTableStyle1.HeaderFontChanged, AddressOf 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, CType(0, System.Byte))
' 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
' 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 instances to GridTableStylesCollection.
myDataGrid.TableStyles.Add(myDataGridTableStyle1)
End Sub
Private Sub LinkColorChanged_Handler(ByVal sender As Object, ByVal e As EventArgs)
MessageBox.Show("LinkColor changed to 'RED'", "DataGridTableStyle")
End Sub
Private Sub HeaderFontChanged_Handler(ByVal sender As Object, ByVal e As EventArgs)
MessageBox.Show("HeaderFont changed to 'VERDANA'", "DataGridTableStyle")
End Sub
Comentários
Para obter mais informações sobre como lidar com eventos, consulte Manipulando e gerando eventos.
Aplica-se a
Confira também
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