VB.NET怎么实现打印功能啊 呜呜（

利用 printdocument控件

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Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click

PrintDocument1.Print()

End Sub

Private Sub PrintDocument1_PrintPage(sender As System.Object, e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage

Dim stringFont As New Font("Arial", 16)

Dim rectDraw As New RectangleF(e.MarginBounds.Left, e.MarginBounds.Top, e.MarginBounds.Width, e.MarginBounds.Height)

Dim strFormat As New StringFormat

Dim s As String

s = "print word" '打印的内容

e.Graphics.DrawString(s, stringFont, Brushes.AliceBlue, rectDraw, strFormat)

End Sub

VB.NET 打印问题。

先拖过来控件PrintDocument1，然后双击PrintDocument1，在它的PrintPage事件中加入代码如下：

Private Sub PrintDocument1_PrintPage(ByVal sender As System.Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage

dim a as String

a="abcd"

Dim mypen As Pen = New Pen(Color.Blue, 2)

e.Graphics.DrawString(a, New Font("宋体", 20), New Pen(Color.Black, 1).Brush, 30, 30)

End Sub

调用下面语句可直接用默认打印机打印出来：

PrintDocument1.Print()

关于vb.net添加打印控件的用法

txt文件：

procedure TForm1.Button1Click(Sender: TObject);

var

MyFile: TextFile;

SourceFile:TextFile;

Tmp:String;

begin

AssignPrn(MyFile);

AssignFile(SourceFile,'FilePath');

Reset(SourceFile);

Rewrite(MyFile);

Readln(SourceFile,Tmp);

While Not EOF(SourceFile) do

Begin

Writeln(MyFile, Tmp);

Readln(SourceFile,Tmp);

System.CloseFile(MyFile);

end;

图形文件需要TPrinter.canvas来打印了，

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