Origin Property (AnnObject)

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public virtual Point Origin {get;}

'Declaration
 
Public Overridable ReadOnly Property Origin As Point

'Usage
 
Dim instance As AnnObject
Dim value As Point
 
value = instance.Origin

public virtual Point Origin {get;}

 get_Origin();

public:
virtual property Point Origin {
   Point get();
}

Property Value

The logical origin of this AnnObject.

This method returns the logical origin of this AnnObject. This value is calculated by returning the origin of the DefiningGeometry value. You can use this origin to Rotate or Scale this object around itself.

For more information, refer to Low-Level Coordinate System for WPF Annotations.

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

Copy Code

Private Sub AnnObject_Transform(ByVal obj As AnnObject)
   ' show the matrix
   ShowMatrix(obj.Transform)
   obj.Translate(2, 3)
   ShowMatrix(obj.Transform)
   obj.Scale(1.5F, 1.5F, obj.Origin)
   ShowMatrix(obj.Transform)
   obj.Rotate(45, obj.Origin)
   ShowMatrix(obj.Transform)
   obj.ResetTransform()
   ShowMatrix(obj.Transform)
End Sub


Private Sub ShowMatrix(ByVal mat As Matrix)
   Console.Write("{0}, ", mat.M11)
   Console.Write("{0}, ", mat.M12)
   Console.Write("{0}, ", mat.M21)
   Console.Write("{0}, ", mat.M22)
   Console.Write("{0}, ", mat.OffsetX)
   Console.Write("{0}, ", mat.OffsetY)
End Sub

private void AnnObject_Transform(AnnObject obj)
{
   // show the matrix
   ShowMatrix(obj.Transform);
   obj.Translate(2, 3);
   ShowMatrix(obj.Transform);
   obj.Scale(1.5F, 1.5F, obj.Origin);
   ShowMatrix(obj.Transform);
   obj.Rotate(45, obj.Origin);
   ShowMatrix(obj.Transform);
   obj.ResetTransform();
   ShowMatrix(obj.Transform);
}

private void ShowMatrix(Matrix mat)
{
   Console.Write("{0}, ", mat.M11);
   Console.Write("{0}, ", mat.M12);
   Console.Write("{0}, ", mat.M21);
   Console.Write("{0}, ", mat.M22);
   Console.Write("{0}, ", mat.OffsetX);
   Console.Write("{0}, ", mat.OffsetY);
}

private void AnnObject_Transform(AnnObject obj)
{
   // show the matrix
   ShowMatrix(obj.Transform);
   obj.Translate(2, 3);
   ShowMatrix(obj.Transform);
   obj.Scale(1.5F, 1.5F, obj.Origin);
   ShowMatrix(obj.Transform);
   obj.Rotate(45, obj.Origin);
   ShowMatrix(obj.Transform);
   obj.ResetTransform();
   ShowMatrix(obj.Transform);
}

private void ShowMatrix(Matrix mat)
{
   Console.Write("{0}, ", mat.M11);
   Console.Write("{0}, ", mat.M12);
   Console.Write("{0}, ", mat.M21);
   Console.Write("{0}, ", mat.M22);
   Console.Write("{0}, ", mat.OffsetX);
   Console.Write("{0}, ", mat.OffsetY);
}

Private Sub AnnObject_Transform(ByVal obj As AnnObject)
   ' show the matrix
   ShowMatrix(obj.Transform)
   obj.Translate(2, 3)
   ShowMatrix(obj.Transform)
   obj.Scale(1.5F, 1.5F, obj.Origin)
   ShowMatrix(obj.Transform)
   obj.Rotate(45, obj.Origin)
   ShowMatrix(obj.Transform)
   obj.ResetTransform()
   ShowMatrix(obj.Transform)
End Sub

Private Sub ShowMatrix(ByVal mat As Matrix)
   Console.Write("{0}, ", mat.M11)
   Console.Write("{0}, ", mat.M12)
   Console.Write("{0}, ", mat.M21)
   Console.Write("{0}, ", mat.M22)
   Console.Write("{0}, ", mat.OffsetX)
   Console.Write("{0}, ", mat.OffsetY)
End Sub

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

AnnObject Class
AnnObject Members