Spread Windows Forms 7.0 Product Documentation
AlphaBlendBackColor Property
See Also  Example Support Options
FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.DrawingSpace Namespace > PSObject Class : AlphaBlendBackColor Property


Glossary Item Box

Gets or sets the alpha-blend value of the background color of the object.

Syntax

Visual Basic (Declaration) 
Public Overridable Property AlphaBlendBackColor As Integer
Visual Basic (Usage)Copy Code
Dim instance As PSObject
Dim value As Integer
 
instance.AlphaBlendBackColor = value
 
value = instance.AlphaBlendBackColor
C# 
public virtual int AlphaBlendBackColor {get; set;}

Property Value

Integer representing the amount of alpha blending

Remarks

Alpha blending determines the amount of transparency of the background color.

Example

This example shows the use of the property in customizing a shape to illustrate the use of the property for classes that inherit this property.
C#Copy Code
System.Drawing.Point[] pts = {new System.Drawing.Point(25, 0), 
                                new System.Drawing.Point(0, 50), 
                                new System.Drawing.Point(20, 50), 
                                new System.Drawing.Point((int)2.5, 100), 
                                new System.Drawing.Point(40, 40), 
                                new System.Drawing.Point(20, 40), 
                                new System.Drawing.Point(40, 0), 
                                new System.Drawing.Point(25, 0)};

System.Drawing.Drawing2D.GraphicsPath gpath = new System.Drawing.Drawing2D.GraphicsPath();
gpath.AddPolygon(pts);

FarPoint.Win.Spread.DrawingSpace.PSObject pso = new FarPoint.Win.Spread.DrawingSpace.CustomShape();
pso.BackColor = Color.Black;
pso.AlphaBlendBackColor = 90;
pso.Anchor = 20;
pso.CanMove = FarPoint.Win.Spread.DrawingSpace.Moving.HorizontalAndVertical;
pso.CanRotate = true;
pso.CanSize = FarPoint.Win.Spread.DrawingSpace.Sizing.HeightAndWidth;
pso.Shape = gpath;
pso.SetBounds(250, 250, 120, 120);
fpSpread1.ActiveSheet.AddShape(pso);
Visual BasicCopy Code
Dim pts As System.Drawing.Point() = {New System.Drawing.Point(25, 0),  _
                                New System.Drawing.Point(0, 50),  _
                                New System.Drawing.Point(20, 50),  _
                                New System.Drawing.Point(2.5, 100),  _
                                New System.Drawing.Point(40, 40),  _
                                New System.Drawing.Point(20, 40),  _
                                New System.Drawing.Point(40, 0),  _
                                New System.Drawing.Point(25, 0)}

Dim gpath As System.Drawing.Drawing2D.GraphicsPath = New System.Drawing.Drawing2D.GraphicsPath
gpath.AddPolygon(pts)

Dim pso As New FarPoint.Win.Spread.DrawingSpace.CustomShape
pso.BackColor = Color.Black
pso.AlphaBlendBackColor = 90
pso.Anchor = 20
pso.CanMove = FarPoint.Win.Spread.DrawingSpace.Moving.HorizontalAndVertical
pso.CanRotate = True
pso.CanSize = FarPoint.Win.Spread.DrawingSpace.Sizing.HeightAndWidth
pso.Shape = gpath
pso.SetBounds(250, 250, 120, 120)
FpSpread1.ActiveSheet.AddShape(pso)

Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8

See Also

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