LifetimeInformation Interface

Used to determine if an object has been deleted but not discarded by the garbage collector.

Namespace:  EnvDTE80
Assembly:  EnvDTE80 (in EnvDTE80.dll)

Syntax

'Declaration
<GuidAttribute("C8F4F9CC-B7E5-4458-BCE3-E1542468F26B")> _
Public Interface LifetimeInformation

[GuidAttribute("C8F4F9CC-B7E5-4458-BCE3-E1542468F26B")]
public interface LifetimeInformation

[GuidAttribute(L"C8F4F9CC-B7E5-4458-BCE3-E1542468F26B")]
public interface class LifetimeInformation

[<GuidAttribute("C8F4F9CC-B7E5-4458-BCE3-E1542468F26B")>]
type LifetimeInformation =  interface end

public interface LifetimeInformation

The LifetimeInformation type exposes the following members.

Properties

	Name	Description
	HasBeenDeleted	Gets a value indicating whether whether an object has been deleted but not yet discarded by the garbage collector.

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Remarks

Use query interface (QI) for LifetimeInformation to determine whether an object has been deleted but not yet discarded by the garbage collector.

Examples

Sub TaskItemObjectLifetime(ByVal DTE As DTE2)
    Dim tskItem As TaskItem
    Dim tskItems As EnvDTE.TaskItems
    Dim lifetimeInfo As LifetimeInformation

    tskItems = DTE.ToolWindows.TaskList.TaskItems
    tskItem = tskItems.Add("Category", "SubCategory", "Description", _
      vsTaskPriority.vsTaskPriorityLow, EnvDTE.vsTaskIcon. _
      vsTaskIconUser, True, "", -1, True, True)
    tskItems.ForceItemsToTaskList()
    lifetimeInfo = tskItem
    MsgBox("Has task item been deleted? " & _
      lifetimeInfo.HasBeenDeleted.ToString)
    tskItem.Delete()
    MsgBox("Has task item been deleted? " & _
      lifetimeInfo.HasBeenDeleted.ToString)
End Sub

public void TaskItemObjectLifetime(DTE2 DTE)
{
    TaskItem tskItem;
    EnvDTE.TaskItems tskItems;
    LifetimeInformation lifetimeInfo;

    tskItems = DTE.ToolWindows.TaskList.TaskItems;
    tskItem = tskItems.Add("Category", "SubCategory", "Description", 
      vsTaskPriority.vsTaskPriorityLow, 
      EnvDTE.vsTaskIcon.vsTaskIconUser, true, "", -1, true, true);
    tskItems.ForceItemsToTaskList();
    lifetimeInfo = (LifetimeInformation)tskItem;
    MessageBox.Show("Has task item been deleted? " + 
      lifetimeInfo.HasBeenDeleted);
    tskItem.Delete();
    MessageBox.Show("Has task item been deleted? " +  
      lifetimeInfo.HasBeenDeleted);
}

See Also

Reference

EnvDTE80 Namespace

Other Resources

How to: Compile and Run the Automation Object Model Code Examples