private void btnStripChart_Click(object sender, EventArgs e)
{
InitializePageSettings();
FlexChart flexChart = BaseSample.FlexChart;
PageSettings pageSets = BaseSample.pageSets;
PrinterSettings prnSets = BaseSample.prnSets;
PrintDocument pd = new PrintDocument();
pd.DefaultPageSettings = pageSets;
pd.PrinterSettings = prnSets;
int pageNumber = 0;
// determine the limits over which the chart should be printed.
int pageCount = 8;
int pageWidth = pageSets.Bounds.Width - pageSets.Margins.Left - pageSets.Margins.Right;
int pageHeight = pageSets.Bounds.Height - pageSets.Margins.Top - pageSets.Margins.Bottom;
int bitMapWidth = pageCount * pageWidth;
int bitMapHeight = pageHeight;
// save the current axis limits and units
double minFlex = flexChart.AxisX.Min;
double maxFlex = flexChart.AxisX.Max;
double minFlexY = flexChart.AxisY.Min;
double maxFlexY = flexChart.AxisY.Max;
double xunit = flexChart.AxisX.MajorUnit;
// set the axis limits and units for bitmap creation
flexChart.AxisX.Min = 0;
flexChart.AxisX.Max = BaseSample.maximumXValue;
flexChart.AxisY.Min = flexChart.AxisY.ActualMin;
flexChart.AxisY.Max = flexChart.AxisY.ActualMax;
flexChart.AxisX.MajorUnit = 1;
flexChart.AxisX.MinorTickMarks = C1.Chart.TickMark.Outside;
// draw the print version of the chart to a bitmap.
Bitmap bitmap = new Bitmap(bitMapWidth, bitMapHeight);
using (Graphics g = Graphics.FromImage(bitmap))
{
flexChart.DrawChart(g, new Size(bitMapWidth, bitMapHeight));
}
// restore the axis limits and units
flexChart.AxisX.Max = maxFlex;
flexChart.AxisX.Min = minFlex;
flexChart.AxisY.Max = maxFlexY;
flexChart.AxisY.Min = minFlexY;
flexChart.AxisX.MajorUnit = xunit;
flexChart.AxisX.MinorTickMarks = C1.Chart.TickMark.None;
flexChart.Refresh();
int increment = bitMapWidth / pageCount;
int bitmapLeft = 0;
// print initialization
pd.BeginPrint += (pageSender, beginPrintEventArgs) =>
{
pageNumber = 0;
bitmapLeft = 0;
};
pd.PrintPage += (pageSender, printPageEventArgs) =>
{
pageNumber++;
Graphics g = printPageEventArgs.Graphics;
g.DrawImage(bitmap,
new Rectangle(pageSets.Margins.Left, pageSets.Margins.Top, increment, bitMapHeight),
new Rectangle(bitmapLeft, 0, increment, bitMapHeight),
GraphicsUnit.Pixel);
bitmapLeft += increment;
bool morepages = pageNumber < 8;
printPageEventArgs.HasMorePages = morepages;
};
pd.EndPrint += (pageSender, endPrintEventArgs) =>
{
pageNumber = 0;
bitmapLeft = 0;
};
ChartPrinter.ChartPreviewDialogEx(pd, true);
pd.Dispose();
}
