private void Form1_Load(object sender, System.EventArgs e)
{
//获取或设置一个值，该值指示是否发送到文件或端口
printDocument1.PrinterSettings.PrintToFile = true;
//设置打印时横向还是纵向
printDocument1.DefaultPageSettings.Landscape = true;
}
private void fileOpenMenuItem_Click(object sender, System.EventArgs e)
{
OpenFile();
}
private void OpenFile()
{
openFileDialog1.Filter = "Text Files (*.txt)|*.txt";//打开文本的类型
//获取文件对话框的初始目录（StartupPath）获得bin文件下的文件
openFileDialog1.InitialDirectory = System.Windows.Forms.Application.StartupPath;
DialogResult userResponse = openFileDialog1.ShowDialog();
//MessageBox.Show(userResponse.ToString());
if (userResponse==DialogResult.OK)
{
filePath = openFileDialog1.FileName.ToString();//转换文件路径
}
}
private void MyPrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
//充分利用e
{
int topMargin = printDocument1.DefaultPageSettings.Margins.Top;//上边距
int leftMargin = printDocument1.DefaultPageSettings.Margins.Left;//左边距
float linesPerPage = 0;//页面行号
float verticalPosition = 0;//绘制字符串的纵向位置
float horizontalPosition=leftMargin;//左边距
string textLine = null;//行字符串
currentLine = 0;//行计数器
//float Xline=0;
//int line=0;
// Calculate the number of lines per page.
linesPerPage = e.MarginBounds.Height / myFont.GetHeight(e.Graphics);
//Xline=e.MarginBounds.Width/myFont.GetHeight();
// for each text line that will fit on the page, read a new line from the document
while (currentLine < linesPerPage )
{
textLine = streamToPrint.ReadLine();
if(textLine == null)
{
break;
}
// 求出已经打印的范围
verticalPosition = topMargin + currentLine * myFont.GetHeight(e.Graphics);
// 设置页面的属性
e.Graphics.DrawString(textLine, myFont, myBrush, horizontalPosition, verticalPosition);
// 增加行数
currentLine ++;
}
// If more lines of text exist in the file, print another page.
if (textLine != null)
{
e.HasMorePages = true;
}
else
{
e.HasMorePages = false;
}
}
private void printPreviewButton_Click(object sender, System.EventArgs e)
{
try
{
streamToPrint = new StreamReader(filePath);
try
{
PrintPreview();
}
