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CanBringToFront Property
See Also  Example
Leadtools.Annotations Namespace > AnnAutomation Class : CanBringToFront Property




Gets a value that indicates whether this AnnAutomation can bring the currently selected object(s) up in the Z-order.

Syntax

Visual Basic (Declaration) 
Public Overridable ReadOnly Property CanBringToFront As Boolean
Visual Basic (Usage)Copy Code
Dim instance As AnnAutomation
Dim value As Boolean
 
value = instance.CanBringToFront
C# 
public virtual bool CanBringToFront {get;}
Managed Extensions for C++ 
public: __property virtual bool get_CanBringToFront();
C++/CLI 
public:
virtual property bool CanBringToFront {
   bool get();
}

Return Value

true if this AnnAutomation can bring the currently selected object(s) up in the Z-order; otherwise, false.

Example

Visual BasicCopy Code
Public Sub AnnAutomation_CanBringToFront(ByVal automation As AnnAutomation)
   ' first make sure no objects are in this automation container
   automation.Container.Objects.Clear()
   automation.Viewer.Invalidate()
   ' add three objects to the automation
   Dim brushColor As Color() = {Color.Red, Color.Green, Color.Blue}
   Dim rectObj As AnnRectangleObject() = New AnnRectangleObject(2) {}
   Dim x As Integer = 100
   Dim y As Integer = 100
   For i As Integer = 0 To 2
      rectObj(i) = New AnnRectangleObject()
      rectObj(i).Bounds = New AnnRectangle(x, y, 100, 100, AnnUnit.Pixel)
      rectObj(i).Pen = New AnnPen(Color.Blue, New AnnLength(1, AnnUnit.Pixel))
      rectObj(i).Brush = New AnnSolidBrush(brushColor(i))
      rectObj(i).Name = String.Format("Rectangle {0}", i + 1)
      rectObj(i).NameVisible = True
      automation.Container.Objects.Add(rectObj(i))

      x += 25
      y += 25
   Next i

   automation.Viewer.Invalidate()

   MessageBox.Show("Rectangle1 -> Rectangle2 -> Rectangle3. Now will select Rectangle1 and move it up")

   ' select rectangle 1 then move it one up in the Z-order
   automation.StartEditing(rectObj(0), False)
   If automation.CanBringToFront Then
      automation.BringToFront(False)
   End If

   MessageBox.Show("Rectangle2 -> Rectangle1 -> Rectangle3. Now will select Rectangle3 and move it down")

   ' select rectangle 3 then move it down in the Z-order
   automation.StartEditing(rectObj(2), False)
   If automation.CanSendToBack Then
      automation.SendToBack(False)
   End If

   MessageBox.Show("Rectangle2 -> Rectangle3 -> Rectangle1. Now will select Rectangle2 and move to top")

   ' select rectangle 2 then move it to first of Z-order
   automation.StartEditing(rectObj(1), False)
   If automation.CanBringToFirst Then
      automation.BringToFront(True)
   End If

   MessageBox.Show("Rectangle3 -> Rectangle1 -> Rectangle2. Now will select Rectangle2 and move to the bottom")

   ' select rectangle 2 then move it to bottom of Z-order
   automation.StartEditing(rectObj(1), False)
   If automation.CanSendToLast Then
      automation.SendToBack(True)
   End If
End Sub
C#Copy Code
public void AnnAutomation_CanBringToFront(AnnAutomation automation) 
{ 
   // first make sure no objects are in this automation container 
   automation.Container.Objects.Clear(); 
   automation.Viewer.Invalidate(); 
   // add three objects to the automation 
   Color[] brushColor = {Color.Red, Color.Green, Color.Blue}; 
   AnnRectangleObject[] rectObj = new AnnRectangleObject[3]; 
   int x = 100; 
   int y = 100; 
   for(int i = 0; i < 3; i++) 
   { 
      rectObj[i] = new AnnRectangleObject(); 
      rectObj[i].Bounds = new AnnRectangle(x, y, 100, 100, AnnUnit.Pixel); 
      rectObj[i].Pen = new AnnPen(Color.Blue, new AnnLength(1, AnnUnit.Pixel)); 
      rectObj[i].Brush = new AnnSolidBrush(brushColor[i]); 
      rectObj[i].Name = String.Format("Rectangle {0}", i + 1); 
      rectObj[i].NameVisible = true; 
      automation.Container.Objects.Add(rectObj[i]); 
 
      x += 25; 
      y += 25; 
   } 
 
   automation.Viewer.Invalidate(); 
 
   MessageBox.Show("Rectangle1 -> Rectangle2 -> Rectangle3.  Now will select Rectangle1 and move it up"); 
 
   // select rectangle 1 then move it one up in the Z-order 
   automation.StartEditing(rectObj[0], false); 
   if(automation.CanBringToFront) 
      automation.BringToFront(false); 
 
   MessageBox.Show("Rectangle2 -> Rectangle1 -> Rectangle3.  Now will select Rectangle3 and move it down"); 
 
   // select rectangle 3 then move it down in the Z-order 
   automation.StartEditing(rectObj[2], false); 
   if(automation.CanSendToBack) 
      automation.SendToBack(false); 
 
   MessageBox.Show("Rectangle2 -> Rectangle3 -> Rectangle1.  Now will select Rectangle2 and move to top"); 
 
   // select rectangle 2 then move it to first of Z-order 
   automation.StartEditing(rectObj[1], false); 
   if(automation.CanBringToFirst) 
      automation.BringToFront(true); 
 
   MessageBox.Show("Rectangle3 -> Rectangle1 -> Rectangle2.  Now will select Rectangle2 and move to the bottom"); 
 
   // select rectangle 2 then move it to bottom of Z-order 
   automation.StartEditing(rectObj[1], false); 
   if(automation.CanSendToLast) 
      automation.SendToBack(true); 
}

Remarks

(Read only) Call the BringToFront method to bring the object up in the Z-order.

Requirements

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

See Also

Leadtools.Annotations requires a Document or Medical toolkit license and unlock key. For more information, refer to: Raster Pro/Document/Medical Features