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//绘图事件
PrintDocument printDocument.PrintPage += new PrintPageEventHandler(this.docToPrint_PrintPage);
//打印预览
using (PrintPreviewDialog printPreviewDialog = new PrintPreviewDialog())
{
printPreviewDialog.Document = printDocument;
printPreviewDialog.ShowDialog();
}
private void docToPrint_PrintPage(object sender, PrintPageEventArgs e)
{
//绘制其他......(能预览显示)
//绘制图片(无法显示)
g.DrawImage(_imageValues, (float)(leftOffSet ), (float)topOffSet, (float)Width, (float)_singleLineHeight);
//绘制其他......(不能预览显示)
}