public VirtualChart(IContainer container)
{
using (PresenterFactory.BeginSharedPresenterTransaction(container, new EmptyPostableForm()))
{
m_SharedPresenter = PresenterFactory.SharedPresenter;
// any size
m_ChartDetail = new ChartDetailForm {
Size = new Size(1000, 1000)
};
}
}
public ChartExportDTO ExportToJpgBytes(long viewId, int width, int height)
{
using (var chartForm = new ChartDetailForm())
{
chartForm.Size = new Size(width, height);
chartForm.DataSource = CreateChartData();
object id = viewId;
chartForm.LoadData(ref id);
chartForm.ChartControlSize = new Size(width, height);
ChartExportDTO export = chartForm.ExportToJpgBytes(new byte[0], DBChartType.chrBar);
return(export);
}
}
public void Dispose()
{
if (m_ChartDetail != null)
{
DataTable oldDataSource = m_ChartDetail.DataSource;
if (oldDataSource != null)
{
m_ChartDetail.DataSource = null;
DbDisposeHelper.DisposeTable(ref oldDataSource, true);
}
m_ChartDetail.Dispose();
m_ChartDetail = null;
}
if (m_SharedPresenter != null)
{
m_SharedPresenter.Dispose();
}
}
