private void btn_save_Click(object sender, EventArgs e)
{
try
{
#region 参数校验
if (this.cmbPrinter.SelectedItem == null)
{
XMessageBox.Warning("请选择打印机");
return;
}
if (this.cmbPaper.SelectedItem == null)
{
XMessageBox.Warning("请选择打印纸张");
return;
}
if (!double.TryParse(this.tbPaperWidth.Text, out double nw) || !double.TryParse(this.tbPaperHeight.Text, out double nh) || nw <= 0 || nh <= 0)
{
XMessageBox.Warning("请输入正确的纸张高度和宽度，宽度和高度必须大于零");
return;
}
if (!double.TryParse(this.tbMarginBottom.Text, out double mb) || !double.TryParse(this.tbMarginRight.Text, out double mr) || !double.TryParse(this.tbMarginLeft.Text, out double ml) || !double.TryParse(this.tbMarginTop.Text, out double mt) || mt < 0 || mb < 0 || ml < 0 || mr < 0)
{
XMessageBox.Warning("请输入正确的页边距，上下左右边距必须大于等于零");
return;
}
if (nh - mt - mb <= 0 || Math.Abs(nh - mt - mb) / (double)nh < 0.2)
{
XMessageBox.Warning("上下边距太大，可打印区域太小，请重新设置上下边距");
return;
}
if (nw - mr - ml <= 0 || Math.Abs(nw - mr - ml) / (double)nw < 0.2)
{
XMessageBox.Warning("左右边距太大，可打印区域太小，请重新设置左右边距");
return;
}
#endregion
PrinterSettings ps = cmbPrinter.SelectedItem as PrinterSettings;
var pz = cmbPaper.SelectedItem as PaperSize;
ps.DefaultPageSettings.PaperSize = pz;
if (pz.PaperName.Equals("自定义纸张"))
{
pz.Width = (int)Config.Mm2Inch(Convert.ToDouble(tbPaperWidth.Text));
pz.Height = (int)Config.Mm2Inch(Convert.ToDouble(tbPaperHeight.Text));
}
ps.DefaultPageSettings.Margins = new Margins
{
Top = (int)Config.Mm2Inch(Convert.ToDouble(tbMarginTop.Text)),
Bottom = (int)Config.Mm2Inch(Convert.ToDouble(tbMarginBottom.Text)),
Left = (int)Config.Mm2Inch(Convert.ToDouble(tbMarginLeft.Text)),
Right = (int)Config.Mm2Inch(Convert.ToDouble(tbMarginRight.Text))
};
ps.DefaultPageSettings.Landscape = this.rbLanscape.Checked;
RawPrintSetting rps = new RawPrintSetting();
rps.LandScape = this.rbLanscape.Checked;
rps.PageMargins = ps.DefaultPageSettings.Margins;
rps.PaperName = ps.DefaultPageSettings.PaperSize.PaperName;
rps.PaperSize = pz;
rps.PrinterName = ps.PrinterName;
XMessageBox.Info(Config.SaveSetting(rps));
}
catch (Exception exp)
{
XMessageBox.Error(string.Format("保存打印设置失败:{0}", exp.Message));
}
}