The CanSelectAll Property is available in LEADTOOLS Document and Medical Imaging toolkits.
Gets a value indicating whether this AnnAutomation is in a state where all objects can be selected.Visual Basic (Declaration) | |
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Public Overridable ReadOnly Property CanSelectAll As Boolean |
Visual Basic (Usage) | Copy Code |
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Dim instance As AnnAutomation Dim value As Boolean value = instance.CanSelectAll |
C# | |
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public virtual bool CanSelectAll {get;} |
Property Value
true if all objects in this AnnAutomation can be selected; otherwise, false.This example adds a few objects into an automation and then selects and deselects them.
Visual Basic | Copy Code |
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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 |
C# | Copy Code |
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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)); } } |
(Read only) If the AnnAutomation contains one or more AnnObject objects, then this property will return true. Selecting an object in AnnAutomation is the equivalant 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.
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7