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Silverlight内存泄漏(Silverlight Memory Leak)

我一直在努力解决这个问题,我真的找不到解决方案。 我已经检查了所有标准的内存泄漏问题,例如PageActivity,DataTemplates等,它就是这样。 我正在使用windbg和!GCRoot我得到:

DOMAIN(097C9970):HANDLE(固定):52412f8:Root:0ade4260(System.Object []) - >
09deab28(System.Collections.Generic.List`1 [[System.Object,mscorlib]]) - >
0a3a8708(System.Object的[]) - >
0a42becc(System.Windows.Shapes.Rectangle) - >
0a4267e4(System.Windows.Controls.Grid) - >
0a40da84(System.Windows.Controls.Primitives.CalendarDayButton) - >
0a3cc8e8(System.Windows.Controls.Calendar) - >
0a3ccd44(System.Windows.Input.MouseButtonEventHandler) - >
0a3cc828(System.Windows.Controls.DatePicker) - >
0a3cd594(System.Windows.Controls.StackPanel) - >
0a3cd690(System.Windows.Controls.StackPanel) - >
0a3cfcd0(System.Windows.Controls.StackPanel) - >
0a3cfdcc(System.Windows.Controls.Border) - >
0a3e11f0(System.Windows.Controls.ContentPresenter) - >
0a3e00d0(System.Windows.Controls.ContentControl) - >
0a3dffd4(System.Windows.Controls.Grid) - >
0a3e02d0(System.Windows.Controls.Border) - >
0a3de464(System.Windows.Controls.Grid) - >
0a3cc160(System.Windows.Controls.Expander) - >
0a3cc0b8(System.Windows.Controls.StackPanel) - >
0a3d4078(System.Windows.Controls.Grid) - >
0a3d4174(System.Windows.Controls.StackPanel) - >
0a3d4f90(System.Windows.Controls.ContentPresenter) - >
0a3d6398(System.Windows.Controls.ContentPresenter) - >
0a3d4ff4(System.Windows.Controls.ContentControl) - >
0a3d51e4(System.Windows.Controls.Grid) - >
0a3cadd4(System.Windows.Controls.Activity) - >
0a3caa4c(System.Windows.Controls.Grid) - >
0a3ca310(EMSOLG.Registration.StudentPayDetails)

有什么方法可以找到更详细的漏洞在哪里?

当我更改组合框的选定值时会发生这种情况

<ComboBox x:Name="cmbPaymentMethod" Height="23" Background="LightYellow"  
 DisplayMemberPath="Value" SelectedValuePath="Key" 
 SelectedValue="{Binding intPaymentMethod,Mode=TwoWay}"
 SelectionChanged="cmbPaymentMethod_SelectionChanged" />

该活动的代码是:

PageActivity.IsActive = true;
tblAppForm thisApplication = (tblAppForm)this.DataContext;
thisApplication.curInvoiceAmount = 0;
RG.Amount = ;
thisApplication.curRecovery = 0;
txtInvoiceTotal.Text = "0.00";

卸载控件后,我尝试设置DataContext = null; 以及我认为可能导致泄漏的许多其他控件和变量


I've been struggling with this for a while now and I really can't find a solution. I've checked all the standard memory leak issues i.e. PageActivity, DataTemplates etc. and it's nothing like that. I am using windbg and with !GCRoot I get:

DOMAIN(097C9970):HANDLE(Pinned):52412f8:Root: 0ade4260(System.Object[])->
09deab28(System.Collections.Generic.List`1[[System.Object, mscorlib]])->
0a3a8708(System.Object[])->
0a42becc(System.Windows.Shapes.Rectangle)->
0a4267e4(System.Windows.Controls.Grid)->
0a40da84(System.Windows.Controls.Primitives.CalendarDayButton)->
0a3cc8e8(System.Windows.Controls.Calendar)->
0a3ccd44(System.Windows.Input.MouseButtonEventHandler)->
0a3cc828(System.Windows.Controls.DatePicker)->
0a3cd594(System.Windows.Controls.StackPanel)->
0a3cd690(System.Windows.Controls.StackPanel)->
0a3cfcd0(System.Windows.Controls.StackPanel)->
0a3cfdcc(System.Windows.Controls.Border)->
0a3e11f0(System.Windows.Controls.ContentPresenter)->
0a3e00d0(System.Windows.Controls.ContentControl)->
0a3dffd4(System.Windows.Controls.Grid)->
0a3e02d0(System.Windows.Controls.Border)->
0a3de464(System.Windows.Controls.Grid)->
0a3cc160(System.Windows.Controls.Expander)->
0a3cc0b8(System.Windows.Controls.StackPanel)->
0a3d4078(System.Windows.Controls.Grid)->
0a3d4174(System.Windows.Controls.StackPanel)->
0a3d4f90(System.Windows.Controls.ContentPresenter)->
0a3d6398(System.Windows.Controls.ContentPresenter)->
0a3d4ff4(System.Windows.Controls.ContentControl)->
0a3d51e4(System.Windows.Controls.Grid)->
0a3cadd4(System.Windows.Controls.Activity)->
0a3caa4c(System.Windows.Controls.Grid)->
0a3ca310(EMSOLG.Registration.StudentPayDetails)

Is there any way I can find out with more detail where is the leak?

It happens when I change the selected value of the combobox

<ComboBox x:Name="cmbPaymentMethod" Height="23" Background="LightYellow"  
 DisplayMemberPath="Value" SelectedValuePath="Key" 
 SelectedValue="{Binding intPaymentMethod,Mode=TwoWay}"
 SelectionChanged="cmbPaymentMethod_SelectionChanged" />

The Code behing for the event is:

PageActivity.IsActive = true;
tblAppForm thisApplication = (tblAppForm)this.DataContext;
thisApplication.curInvoiceAmount = 0;
RG.Amount = ;
thisApplication.curRecovery = 0;
txtInvoiceTotal.Text = "0.00";

When the control is unloaded I've tried setting the DataContext = null; as well as a host of other controls and variables that I thought might cause the leak


原文:https://stackoverflow.com/questions/4850306
更新时间:2023-09-23 13:09

最满意答案

这不是实现此功能的正确方法,自动完成灯将为下一个属性提供信息,因为他们已经编写了Django自动完成光文档


This is not the correct way to implement this functionality, autocomplete light will provide information as a forward for the next attribute as they have written Django auto complete light documentation

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