This example groups/ungroups objects.

Visual Basic

Copy Code

Private Sub AnnGroupObject_Ungroup()    Dim container As AnnContainer = New AnnContainer()    ' adds a few objects to the container    Dim line As AnnLineObject = New AnnLineObject()    container.Objects.Add(line)    Dim rect As AnnRectangleObject = New AnnRectangleObject()    container.Objects.Add(rect)    ' show the number of objects in this container (should be 2: line and rectangle)    Dim s As String = String.Format("There are {0} objects in the container", container.Objects.Count)    MessageBox.Show(s)    ' move all objects from the container to a group    Dim group As AnnGroupObject = New AnnGroupObject()    Do While container.Objects.Count > 0       Dim obj As AnnObject = container.Objects(0)       container.Objects.Remove(obj)       group.Objects.Add(obj)    Loop    ' show the number of objects in this container (should be 0)    s = String.Format("There are {0} objects in the container", container.Objects.Count)    MessageBox.Show(s)    ' add the group to the container    container.Objects.Add(group)    ' show the number of objects in this container (should be 1: group)    s = String.Format("There are {0} objects in the container", container.Objects.Count)    MessageBox.Show(s)    ' ungroup the group object    group.Ungroup()    ' show the number of objects in this container (should be 3: group, line and rectangle)    s = String.Format("There are {0} objects in the container", container.Objects.Count)    MessageBox.Show(s)    ' remove the group from the container    container.Objects.Remove(group)    ' show the number of objects in this container (should be 2: line and rectangle)    s = String.Format("There are {0} objects in the container", container.Objects.Count)    MessageBox.Show(s) End Sub

C#

Copy Code

private void AnnGroupObject_Ungroup()  {     AnnContainer container = new AnnContainer();     // adds a few objects to the container     AnnLineObject line = new AnnLineObject();     container.Objects.Add(line);       AnnRectangleObject rect = new AnnRectangleObject();     container.Objects.Add(rect);       // show the number of objects in this container (should be 2: line and rectangle)     string s = string.Format("There are {0} objects in the container", container.Objects.Count); ;     MessageBox.Show(s);       // move all objects from the container to a group     AnnGroupObject group = new AnnGroupObject();       while(container.Objects.Count > 0)     {        AnnObject obj = container.Objects[0];        container.Objects.Remove(obj);        group.Objects.Add(obj);     }       // show the number of objects in this container (should be 0)     s = string.Format("There are {0} objects in the container", container.Objects.Count);     MessageBox.Show(s);       // add the group to the container     container.Objects.Add(group);       // show the number of objects in this container (should be 1: group)     s = string.Format("There are {0} objects in the container", container.Objects.Count);     MessageBox.Show(s);       // ungroup the group object     group.Ungroup();       // show the number of objects in this container (should be 3: group, line and rectangle)     s = string.Format("There are {0} objects in the container", container.Objects.Count);     MessageBox.Show(s);       // remove the group from the container     container.Objects.Remove(group);       // show the number of objects in this container (should be 2: line and rectangle)     s = string.Format("There are {0} objects in the container", container.Objects.Count);     MessageBox.Show(s);  }

For more information about grouping and ungrouping, refer to Grouping and Ungrouping Annotation Objects.

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

Reference