Spread Windows Forms 7.0 Product Documentation
TransparencyColor Property
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FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.CellType Namespace > ImageCellType Class : TransparencyColor Property


Glossary Item Box

Gets or sets the transparency color in the image.

Syntax

Visual Basic (Declaration) 
Public Property TransparencyColor As Color
Visual Basic (Usage)Copy Code
Dim instance As ImageCellType
Dim value As Color
 
instance.TransparencyColor = value
 
value = instance.TransparencyColor
C# 
public Color TransparencyColor {get; set;}

Property Value

Color object containing the transparency color

Example

This examples illustrates the setting of this property of an image cell type.
C#Copy Code
FarPoint.Win.Spread.CellType.ImageCellType icelltype =new FarPoint.Win.Spread.CellType.ImageCellType();
icelltype.Style = FarPoint.Win.RenderStyle.Stretch;
icelltype.TransparencyColor = Color.Black;
icelltype.TransparencyTolerance = 100;
fpSpread1.Sheets[0].Rows[0].CellType =icelltype;
System.Drawing.Image image = System.Drawing.Image.FromFile("D:\\alphaomega3.jpg"); 
System.IO.MemoryStream stream = new System.IO.MemoryStream();
byte[] bytes;
string str;
image.Save(stream,System.Drawing.Imaging.ImageFormat.Jpeg);
stream.Seek(0, System.IO.SeekOrigin.Begin); 
bytes = stream.GetBuffer();
str = System.Convert.ToBase64String(bytes);
fpSpread1.Sheets[0].Cells[0,0].Value = image;
fpSpread1.Sheets[0].Cells[0,1].Value = bytes;
fpSpread1.Sheets[0].Cells[0,2].Value = str;
Visual BasicCopy Code
Dim icelltype As New FarPoint.Win.Spread.CellType.ImageCellType
icelltype.Style = FarPoint.Win.RenderStyle.Stretch
icelltype.TransparencyColor = Color.Black
icelltype.TransparencyTolerance = 100
FpSpread1.Sheets(0).Rows(0).CellType = icelltype
Dim image As System.Drawing.Image = System.Drawing.Image.FromFile("D:\alphaomega3.jpg")
Dim stream As New System.IO.MemoryStream
Dim bytes As Byte()
Dim str As String
image.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg)
stream.Seek(0, System.IO.SeekOrigin.Begin)
bytes = stream.GetBuffer()
str = System.Convert.ToBase64String(bytes)
FpSpread1.Sheets(0).Cells(0, 0).Value = image
FpSpread1.Sheets(0).Cells(0, 1).Value = bytes
FpSpread1.Sheets(0).Cells(0, 2).Value = str

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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