打印預覽的圖表c＃

Question

我在贏取窗體中使用圖表，嘗試在按鈕的單擊事件中查看打印預覽。嘗試this.chart1.Printing.PrintPreview（），但它顯示一個空白頁面。

這裏是我的代碼

//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(); 
} 

Answer 1

試試這個，

PrintPreviewDialog ppd = new PrintPreviewDialog(); 
ppd.Document = this.chart1.PrintDocument; 
ppd.ShowDialog();