Margins.Top Proprietà

Definizione

Spazio dei nomi:

System.Drawing.Printing

Assembly:

System.Drawing.Common.dll

Pacchetto:

System.Drawing.Common v8.0.0

Origine:

Margins.cs

Ottiene o imposta la larghezza del margine superiore, in centesimi di pollice.

public:
 property int Top { int get(); void set(int value); };

public int Top { get; set; }

member this.Top : int with get, set

Public Property Top As Integer

Valore della proprietà

Int32

Larghezza del margine superiore, in centesimi di pollice.

Eccezioni

ArgumentException

La proprietà Top è impostata su un valore minore di 0.

Esempio

Usare gli spazi dei System.Drawingnomi , System.Drawing.Printinge System.IO per questo esempio.

Nell'esempio di codice seguente vengono impostate le impostazioni di pagina predefinite per un documento su margini sinistro e destro di larghezza di 1 pollice e margini superiore e inferiore di 1,5 pollici di larghezza.

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;
         
         // Set the left and right margins to 1 inch.
         pd->DefaultPageSettings->Margins->Left = 100;
         pd->DefaultPageSettings->Margins->Right = 100;
         
         // Set the top and bottom margins to 1.5 inches.
         pd->DefaultPageSettings->Margins->Top = 150;
         pd->DefaultPageSettings->Margins->Bottom = 150;
         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;

      // Set the left and right margins to 1 inch.
      pd.DefaultPageSettings.Margins.Left = 100;
      pd.DefaultPageSettings.Margins.Right = 100;
      // Set the top and bottom margins to 1.5 inches.
      pd.DefaultPageSettings.Margins.Top = 150;
      pd.DefaultPageSettings.Margins.Bottom = 150;

      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
               
            ' Set the left and right margins to 1 inch.
            pd.DefaultPageSettings.Margins.Left = 100
            pd.DefaultPageSettings.Margins.Right = 100
            ' Set the top and bottom margins to 1.5 inches.
            pd.DefaultPageSettings.Margins.Top = 150
            pd.DefaultPageSettings.Margins.Bottom = 150
               
            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

Commenti

Se si misurano i margini in millimetri, moltiplicare la larghezza del margine desiderata in millimetri per 3,937 per determinare la misura corretta in centesimi di pollice. Ad esempio, se si desidera un margine di 25mm, moltiplicare per 3,937 e il risultato è 98 quando viene arrotondato per difetto. Impostare quindi il membro appropriato Margins su 98.

Vedi anche

• Left
• Right
• Bottom