CanBringToFront Property

C#
Visual Basic
Objective-C
Java
C++

public virtual bool CanBringToFront {get;}

'Declaration
 
Public Overridable ReadOnly Property CanBringToFront As Boolean

'Usage
 
Dim instance As AnnAutomation
Dim value As Boolean
 
value = instance.CanBringToFront

public:
virtual property bool CanBringToFront {
   bool get();
}

Property Value

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

Call the BringToFront method to bring the object up in the Z-order.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Annotations
Imports Leadtools.WinForms
Imports Leadtools.Drawing

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

using Leadtools;
using Leadtools.Annotations;
using Leadtools.WinForms;
using Leadtools.Drawing;

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);
}

Target Platforms

Reference

AnnAutomation Class
AnnAutomation Members