PrintPreviewControl.UseAntiAlias Свойство
Определение
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.
Возвращает или задает значение, указывающее, используются ли при печати возможности сглаживания, доступные в операционной системе.
public:
property bool UseAntiAlias { bool get(); void set(bool value); };
public bool UseAntiAlias { get; set; }
member this.UseAntiAlias : bool with get, set
Public Property UseAntiAlias As Boolean
Значение свойства
Значение true
, если применяется сглаживание. В противном случае — значение false
.
Примеры
В следующем примере кода демонстрируются Documentсвойства PrintPreviewControl, UseAntiAliasи Zoom объекта . Чтобы запустить этот пример, поместите следующий код в форму и вызовите InitializePrintPreviewControl
метод из конструктора формы или Load метода обработки событий.
internal:
// Declare the PrintPreviewControl object and the
// PrintDocument object.
PrintPreviewControl^ PrintPreviewControl1;
private:
System::Drawing::Printing::PrintDocument^ docToPrint;
void InitializePrintPreviewControl()
{
// Construct the PrintPreviewControl.
this->PrintPreviewControl1 = gcnew PrintPreviewControl;
// Set location, name, and dock style for PrintPreviewControl1.
this->PrintPreviewControl1->Location = Point(88,80);
this->PrintPreviewControl1->Name = "PrintPreviewControl1";
this->PrintPreviewControl1->Dock = DockStyle::Fill;
// Set the Document property to the PrintDocument
// for which the PrintPage event has been handled.
this->PrintPreviewControl1->Document = docToPrint;
// Set the zoom to 25 percent.
this->PrintPreviewControl1->Zoom = 0.25;
// Set the document name. This will show be displayed when
// the document is loading into the control.
this->PrintPreviewControl1->Document->DocumentName = "c:\\someFile";
// Set the UseAntiAlias property to true so fonts are smoothed
// by the operating system.
this->PrintPreviewControl1->UseAntiAlias = true;
// Add the control to the form.
this->Controls->Add( this->PrintPreviewControl1 );
// Associate the event-handling method with the
// document's PrintPage event.
this->docToPrint->PrintPage += gcnew System::Drawing::Printing::PrintPageEventHandler( this, &Form1::docToPrint_PrintPage );
}
// The PrintPreviewControl will display the document
// by handling the documents PrintPage event
void docToPrint_PrintPage( Object^ /*sender*/, System::Drawing::Printing::PrintPageEventArgs^ e )
{
// Insert code to render the page here.
// This code will be called when the control is drawn.
// The following code will render a simple
// message on the document in the control.
String^ text = "In docToPrint_PrintPage method.";
System::Drawing::Font^ printFont = gcnew System::Drawing::Font( "Arial",35,FontStyle::Regular );
e->Graphics->DrawString( text, printFont, Brushes::Black, 10, 10 );
}
// Declare the PrintPreviewControl object and the
// PrintDocument object.
internal PrintPreviewControl PrintPreviewControl1;
private System.Drawing.Printing.PrintDocument docToPrint =
new System.Drawing.Printing.PrintDocument();
private void InitializePrintPreviewControl()
{
// Construct the PrintPreviewControl.
this.PrintPreviewControl1 = new PrintPreviewControl();
// Set location, name, and dock style for PrintPreviewControl1.
this.PrintPreviewControl1.Location = new Point(88, 80);
this.PrintPreviewControl1.Name = "PrintPreviewControl1";
this.PrintPreviewControl1.Dock = DockStyle.Fill;
// Set the Document property to the PrintDocument
// for which the PrintPage event has been handled.
this.PrintPreviewControl1.Document = docToPrint;
// Set the zoom to 25 percent.
this.PrintPreviewControl1.Zoom = 0.25;
// Set the document name. This will show be displayed when
// the document is loading into the control.
this.PrintPreviewControl1.Document.DocumentName = "c:\\someFile";
// Set the UseAntiAlias property to true so fonts are smoothed
// by the operating system.
this.PrintPreviewControl1.UseAntiAlias = true;
// Add the control to the form.
this.Controls.Add(this.PrintPreviewControl1);
// Associate the event-handling method with the
// document's PrintPage event.
this.docToPrint.PrintPage +=
new System.Drawing.Printing.PrintPageEventHandler(
docToPrint_PrintPage);
}
// The PrintPreviewControl will display the document
// by handling the documents PrintPage event
private void docToPrint_PrintPage(
object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
// Insert code to render the page here.
// This code will be called when the control is drawn.
// The following code will render a simple
// message on the document in the control.
string text = "In docToPrint_PrintPage method.";
System.Drawing.Font printFont =
new Font("Arial", 35, FontStyle.Regular);
e.Graphics.DrawString(text, printFont,
Brushes.Black, 10, 10);
}
'Declare the PrintPreviewControl object and the PrintDocument object.
Friend WithEvents PrintPreviewControl1 As PrintPreviewControl
Private WithEvents docToPrint As New Printing.PrintDocument
Private Sub InitializePrintPreviewControl()
' Construct the PrintPreviewControl.
Me.PrintPreviewControl1 = New PrintPreviewControl
' Set location, name, and dock style for PrintPreviewControl1.
Me.PrintPreviewControl1.Location = New Point(88, 80)
Me.PrintPreviewControl1.Name = "PrintPreviewControl1"
Me.PrintPreviewControl1.Dock = DockStyle.Fill
' Set the Document property to the PrintDocument
' for which the PrintPage event has been handled.
Me.PrintPreviewControl1.Document = docToPrint
' Set the zoom to 25 percent.
Me.PrintPreviewControl1.Zoom = 0.25
' Set the document name. This will show be displayed when
' the document is loading into the control.
Me.PrintPreviewControl1.Document.DocumentName = "c:\someFile"
' Set the UseAntiAlias property to true so fonts are smoothed
' by the operating system.
Me.PrintPreviewControl1.UseAntiAlias = True
' Add the control to the form.
Me.Controls.Add(Me.PrintPreviewControl1)
End Sub
' The PrintPreviewControl will display the document
' by handling the documents PrintPage event
Private Sub docToPrint_PrintPage(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintPageEventArgs) _
Handles docToPrint.PrintPage
' Insert code to render the page here.
' This code will be called when the control is drawn.
' The following code will render a simple
' message on the document in the control.
Dim text As String = "In docToPrint_PrintPage method."
Dim printFont As New Font _
("Arial", 35, System.Drawing.FontStyle.Regular)
e.Graphics.DrawString(text, printFont, _
System.Drawing.Brushes.Black, 10, 10)
End Sub
Комментарии
Сглаживание удаляет зубчатые линии при отображении шрифтов.