2011-08-08 5 views
0

次のコードは、私がプリンタにデータを印刷するために使用しようとしているコードです。データは印刷中ですが、タブは印刷されません。私は印刷だと私の文字列は次のようになります。このカスタム印刷クラスを使用して印刷するタブを取得するにはどうすればよいですか?

string textToPrint = "Member Number\tAddress\tCity\tState"; 

しかし、それは印刷したときに、それがこのMember NumberAddressCityStateようになります。

インターネット上でこのプリンタクラスが見つかりました。タブを印刷する以外は、動作しているように見えます(文字はレポートに印刷されます)。タブを印刷するにはどうすればよいですか?あなたのフォーマットStringFormat変数の

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Text; 
using System.Drawing; 
using System.Drawing.Printing; 

namespace HighLowReport 
{ 
    public class PCPrint : System.Drawing.Printing.PrintDocument 
    { 
     //Property variable for the font the user wishes to use 
     private Font _font; 

     //Property variable for the text to be printed 
     private string _text; 

     //Property to hold the text that is to be printed 
     public string TextToPrint 
     { 
      get { return _text; } 
      set { _text = value; } 
     } 

     //Property to hold the font the user wishes to use 
     public Font PrinterFont 
     { 
      get { return _font; } 
      set { _font = value; } 
     } 

     // Static variable to hold the current character 
     // we're currently dealing with. 
     static int curChar; 

     // Empty constructor 
     public PCPrint() 
      : base() 
     { 
      // set the file stream 
      // Instantiate out Text property to an empty string 
      _text = string.Empty; 
     } 

     // Constructor to initialize our printer object 
     // and the text it's supposed to be printing 
     public PCPrint(string str) 
      : base() 
     { 
      // Set the file stream 
      // Set our text property value 
      _text = str; 
     } 

     protected override void OnBeginPrint(System.Drawing.Printing.PrintEventArgs e) 
     { 
      // Run base code 
      base.OnBeginPrint(e); 

      // Check to see if the user provided a font 
      // if they didn't the we default to Times New Roman 
      if (_font == null) 
      { 
       _font = new Font("Times New Roman", 10); 
      } 
     } 

     // Override the default OnPrintPage method of the PrintDocument 
     protected override void OnPrintPage(System.Drawing.Printing.PrintPageEventArgs e) 
     { 
      // Run base code 
      base.OnPrintPage(e); 

      // declare local variables needed 
      int printHeight; 
      int printWidth; 
      int leftMargin; 
      int rightMargin; 
      Int32 lines; 
      Int32 chars; 

      // Set print area size and margins 
      {     
       printHeight = base.DefaultPageSettings.PaperSize.Height - base.DefaultPageSettings.Margins.Top - base.DefaultPageSettings.Margins.Bottom; 
       printWidth = base.DefaultPageSettings.PaperSize.Width = base.DefaultPageSettings.Margins.Left - base.DefaultPageSettings.Margins.Right; 
       leftMargin = base.DefaultPageSettings.Margins.Left; //X 
       rightMargin = base.DefaultPageSettings.Margins.Right; //Y 
      } 

      // Check if the user selected to print in Landscape mode 
      // if they did then we need to swap height/width parameters 
      if (base.DefaultPageSettings.Landscape) 
      { 
       int tmp; 
       tmp = printHeight; 
       printHeight = printWidth; 
       printWidth = tmp; 
      } 

      // Now we need to determine the total number of lines 
      // we're going to be printing 
      Int32 numLines = (int)printHeight/PrinterFont.Height; 

      // Create a rectangle printing area for our document 
      RectangleF printArea = new RectangleF(leftMargin, rightMargin, printWidth, printHeight); 

      // Use StringFormat class for the text layout of our document 
      StringFormat format = new StringFormat(StringFormatFlags.LineLimit); 

      // Fit as many characters as we can into the print area 

      e.Graphics.MeasureString(_text.Substring(RemoveZeros(ref curChar)), PrinterFont, new SizeF(printWidth, printHeight), format, out chars, out lines); 

      // Print the page 
      e.Graphics.DrawString(_text.Substring(RemoveZeros(ref curChar)), PrinterFont, Brushes.Black, printArea, format); 

      // Increase current char count 
      curChar += chars; 

      // Determine if there is more text to print, if 
      // there is then tell the printer there is more coming 
      if (curChar < _text.Length) 
      { 
       e.HasMorePages = true; 
      } 
      else 
      { 
       e.HasMorePages = false; 
       curChar = 0; 
      } 
     } 

     // Function to replace any zeros in the size to a 1 
     // Zeros will mess up the printing area 
     public int RemoveZeros(ref int value) 
     { 
      // Check the value passed into the function 
      // If the value is a 0 (zero) then return a 1, 
      // otherwise return the value passed in 
      while (_text[value] == '\0') 
      { 
       value++; 
      } 
      return value; 
     } 
    } 
} 

答えて

1

、あなたは、タブの配列を追加する必要が停止します:魅力のように働いた

StringFormat format = new StringFormat(StringFormatFlags.LineLimit); 
float[] formatTabs = { 10.0f, 20.0f }; 
format.SetTabStops(0.0f, formatTabs); 
+0

を。本当にありがとう! – Kevin