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CanSelectAll Property

Summary

Gets a value indicating whether this AnnAutomation is in a state where all objects can be selected.

Syntax

C++

public virtual bool CanSelectAll {get;}

  
Public Overridable ReadOnly Property CanSelectAll As Boolean

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

Property Value

true if all objects in this AnnAutomation can be selected; otherwise, false.

Remarks

If the AnnAutomation contains one or more AnnObject objects, then this property will return true. Selecting an object in AnnAutomation is the equivalent of starting its AnnEditDesigner. Call the SelectAll method to select all of the automation objects.

For information about grouping and ungrouping, refer to Grouping and Ungrouping Annotation Objects (Deprecated).

Example

This example adds a few objects into an automation and then selects and deselects them.

using Leadtools; 
using Leadtools.Annotations; 
using Leadtools.WinForms; 
using Leadtools.Drawing; 
 
public void AnnAutomation_CanSelectAll(AnnAutomation automation) 
{ 
   // first make sure no objects are in this automation container 
   automation.Container.Objects.Clear(); 
   automation.Viewer.Invalidate(); 
 
   MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)); 
 
   // add two objects to the automation 
   AnnRectangleObject rectObj = new AnnRectangleObject(); 
   rectObj.Bounds = new AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel); 
   rectObj.Pen = new AnnPen(Color.Blue, new AnnLength(1, AnnUnit.Pixel)); 
   rectObj.Brush = null; 
   automation.Container.Objects.Add(rectObj); 
   automation.Viewer.Invalidate(rectObj.InvalidRectangle); 
 
   AnnLineObject lineObj = new AnnLineObject(); 
   lineObj.StartPoint = new AnnPoint(100, 100, AnnUnit.Pixel); 
   lineObj.EndPoint = new AnnPoint(200, 200, AnnUnit.Pixel); 
   lineObj.Pen = new AnnPen(Color.Red, new AnnLength(1, AnnUnit.Pixel)); 
   automation.Container.Objects.Add(lineObj); 
   automation.Viewer.Invalidate(lineObj.InvalidRectangle); 
 
   MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)); 
 
   // select all the objects 
   if (automation.CanSelectAll) 
   { 
      automation.SelectAll(); 
      MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)); 
   } 
 
   // deselect all the objects 
   if (automation.CanSelectNone) 
   { 
      automation.SelectNone(); 
      MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)); 
   } 
}

Imports Leadtools 
Imports Leadtools.Annotations 
Imports Leadtools.WinForms 
Imports Leadtools.Drawing 
 
Public Sub AnnAutomation_CanSelectAll(ByVal automation As AnnAutomation) 
   ' first make sure no objects are in this automation container 
   automation.Container.Objects.Clear() 
   automation.Viewer.Invalidate() 
 
   MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)) 
 
   ' add two objects to the automation 
   Dim rectObj As AnnRectangleObject = New AnnRectangleObject() 
   rectObj.Bounds = New AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel) 
   rectObj.Pen = New AnnPen(Color.Blue, New AnnLength(1, AnnUnit.Pixel)) 
   rectObj.Brush = Nothing 
   automation.Container.Objects.Add(rectObj) 
   automation.Viewer.Invalidate(rectObj.InvalidRectangle) 
 
   Dim lineObj As AnnLineObject = New AnnLineObject() 
   lineObj.StartPoint = New AnnPoint(100, 100, AnnUnit.Pixel) 
   lineObj.EndPoint = New AnnPoint(200, 200, AnnUnit.Pixel) 
   lineObj.Pen = New AnnPen(Color.Red, New AnnLength(1, AnnUnit.Pixel)) 
   automation.Container.Objects.Add(lineObj) 
   automation.Viewer.Invalidate(lineObj.InvalidRectangle) 
 
   MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)) 
 
   ' select all the objects 
   If automation.CanSelectAll Then 
      automation.SelectAll() 
      MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)) 
   End If 
 
   ' deselect all the objects 
   If automation.CanSelectNone Then 
      automation.SelectNone() 
      MessageBox.Show(String.Format("CanSelectAll = {0}, CanSelectNone = {1}", automation.CanSelectAll, automation.CanSelectNone)) 
   End If 
End Sub