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Stimulsoft Reports.WinForms教程:ENGINEV1和ENGINEV2内存测试


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此示例比较了使用旧V1和新V2报表引擎时的内存消耗。让我们使用一个复杂的Master-Detail报表进行比较。每次构建之后,您可以调用垃圾收集器并查看内存消耗:

public Form1()
{
    InitializeComponent();
    var data = new DataSet();
    data.ReadXmlSchema("..\\..\\Data\\Demo.xsd");
    data.ReadXml("..\\..\\Data\\Demo.xml");
    using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("MemoryTest.Master-Detail-Subdetail.mrt"))
    {
        report1.RegData(data);
        report1.Load(stream);
        report1.EngineVersion = Stimulsoft.Report.Engine.StiEngineVersion.EngineV1;
        report1.Compile();
    }
    using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("MemoryTest.Master-Detail-Subdetail.mrt"))
    {
        report2.RegData(data);
        report2.Load(stream);
        report2.EngineVersion = Stimulsoft.Report.Engine.StiEngineVersion.EngineV2;
        report2.Compile();
    }
}
private void button1_Click(object sender, EventArgs e)
{
   report1.Render();
}
private void button2_Click(object sender, EventArgs e)
{
   report2.Render();
}
private void button3_Click(object sender, EventArgs e)
{
   report1.RenderedPages.Clear();
   GC.Collect();
   GC.Collect();
   GC.Collect();
}


private void button4_Click(object sender, EventArgs e)

{

    report2.RenderedPages.Clear();

    GC.Collect();

    GC.Collect();

    GC.Collect();

}

在下面的屏幕截图中,您可以看到示例代码的结果。

Stimulsoft Reports.WinForms教程:ENGINEV1和ENGINEV2内存测试

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