我在win-forms中使用图表，试图查看按钮的click事件上的打印预览。尝试了this.chart1.Printing.PrintPreview（），但它显示了一个空白页面。
这是我的代码
//at form load
{
if (objMaster == null) objMaster = new MasterEstimateSales();
dt = new DataTable();
dt = objMaster.ESChart();
chart1.DataSource = dt;
var series = new Series();
series.Name = "Sale";
series.ChartType = SeriesChartType.Bar;
chart1.Series.Add(series);
chart1.Series["Sale"].XValueMember = "Variety";
chart1.Series["Sale"].YValueMembers = "Quantity";
chart1.ChartAreas[0].AxisY.ScaleBreakStyle.Enabled = true;
series.IsValueShownAsLabel = true;
chart1.ChartAreas[0].AxisX.MajorGrid.LineWidth = 0;
chart1.ChartAreas[0].AxisY.MajorGrid.LineWidth = 0;
chart1.ChartAreas[0].AxisX.Interval = 1;
chart1.ChartAreas[0].AxisX.LabelStyle.Font= new System.Drawing.Font("AParanarTSC", 9F, System.Drawing.FontStyle.Regular);
}
// Button Event
private void button1_Click(object sender, EventArgs e)
{
this.chart1.Printing.PrintPreview();
}
试试这个，
PrintPreviewDialog ppd = new PrintPreviewDialog();
ppd.Document = this.chart1.PrintDocument;
ppd.ShowDialog();
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我来说两句