Margins Konstruktory

Definice

Obor názvů:

System.Drawing.Printing

Sestavení:

System.Drawing.Common.dll

Balíček:

System.Drawing.Common v11.0.0-rc.1.26425.128

Inicializuje novou instanci Margins třídy.

Přetížení

Name	Description
Margins()	Inicializuje novou instanci Margins třídy s 1palcovými širokými okraji.
Margins(Int32, Int32, Int32, Int32)	Inicializuje novou instanci Margins třídy se zadaným levým, pravým, horním a dolním okrajem.

Margins()

Zdroj:

Margins.cs

Inicializuje novou instanci Margins třídy s 1palcovými širokými okraji.

public:
 Margins();

public Margins();

Public Sub New ()

Margins(Int32, Int32, Int32, Int32)

Zdroj:

Margins.cs

Inicializuje novou instanci Margins třídy se zadaným levým, pravým, horním a dolním okrajem.

public:
 Margins(int left, int right, int top, int bottom);

public Margins(int left, int right, int top, int bottom);

new System.Drawing.Printing.Margins : int * int * int * int -> System.Drawing.Printing.Margins

Public Sub New (left As Integer, right As Integer, top As Integer, bottom As Integer)

Parametry

left

Int32

Levý okraj ve stotisítkách palce.

right

Int32

Pravý okraj ve stovkách palce.

top

Int32

Horní okraj, ve stovkách palce.

bottom

Int32

Dolní okraj ve stácích palce.

Výjimky

ArgumentException

Hodnota parametru left je menší než 0.

nebo

Hodnota parametru right je menší než 0.

nebo

Hodnota parametru top je menší než 0.

nebo

Hodnota parametru bottom je menší než 0.

Příklady

V tomto příkladu System.Drawingpoužijte obory názvů , System.Drawing.Printinga System.IO obory názvů.

Následující příklad kódu nastaví výchozí nastavení stránky dokumentu na okraje o šířce 1 palce na každé straně.

void Printing()
{
   try
   {
      
      /* This assumes that a variable of type string, named filePath,
              has been set to the path of the file to print. */
      streamToPrint = gcnew StreamReader( filePath );
      try
      {
         printFont = gcnew System::Drawing::Font( "Arial",10 );
         PrintDocument^ pd = gcnew PrintDocument;
         
         /* This assumes that a method, named pd_PrintPage, has been
                   defined. pd_PrintPage handles the PrintPage event. */
         pd->PrintPage += gcnew PrintPageEventHandler( this, &Sample::pd_PrintPage );
         
         /* This assumes that a variable of type string, named 
                   printer, has been set to the printer's name. */
         pd->PrinterSettings->PrinterName = printer;
         
         // Create a new instance of Margins with one inch margins.
         Margins^ margins = gcnew Margins( 100,100,100,100 );
         pd->DefaultPageSettings->Margins = margins;
         pd->Print();
      }
      finally
      {
         streamToPrint->Close();
      }

   }
   catch ( Exception^ ex ) 
   {
      MessageBox::Show( String::Concat( "An error occurred printing the file - ", ex->Message ) );
   }

}

public void Printing()
{
  try 
  {
    /* This assumes that a variable of type string, named filePath,
       has been set to the path of the file to print. */
    streamToPrint = new StreamReader (filePath);
    try 
    {
      printFont = new Font("Arial", 10);
      PrintDocument pd = new PrintDocument(); 
      /* This assumes that a method, named pd_PrintPage, has been
         defined. pd_PrintPage handles the PrintPage event. */
      pd.PrintPage += new PrintPageEventHandler(pd_PrintPage);
      /* This assumes that a variable of type string, named 
         printer, has been set to the printer's name. */
      pd.PrinterSettings.PrinterName = printer;
      // Create a new instance of Margins with one inch margins.
      Margins margins = new Margins(100,100,100,100);
      pd.DefaultPageSettings.Margins = margins;
      pd.Print();
    } 
    finally 
    {
      streamToPrint.Close() ;
    }
  } 
  catch(Exception ex) 
  { 
    MessageBox.Show("An error occurred printing the file - " + ex.Message);
  }
}

Public Sub Printing()
    Try
        ' This assumes that a variable of type string, named filePath,
        ' has been set to the path of the file to print. 
        streamToPrint = New StreamReader(filePath)
        Try
            printFont = New Font("Arial", 10)
            Dim pd As New PrintDocument()
            ' This assumes that a method, named pd_PrintPage, has been
            ' defined. pd_PrintPage handles the PrintPage event. 
            AddHandler pd.PrintPage, AddressOf pd_PrintPage
            ' This assumes that a variable of type string, named
            ' printer, has been set to the printer's name. 
            pd.PrinterSettings.PrinterName = printer
            ' Create a new instance of Margins with one inch margins.
            Dim margins As New Margins(100, 100, 100, 100)
            pd.DefaultPageSettings.Margins = margins
            pd.Print()
        Finally
            streamToPrint.Close()
        End Try
    Catch ex As Exception
        MessageBox.Show("An error occurred printing the file - " & ex.Message)
    End Try
End Sub