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Create the thumbnail and keep aspect ratio.
Public Function CreateThumbnail( _
ByVal strFileName As String, _
ByVal strFileType As String, _
ByVal iThumbnailWidth As Integer, _
ByVal iThumbnailHeight As Integer, _
ByVal clrBackColor As Color
) As Integer
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Parameter
strFileName
the new file you want to save.
strFileType
the Image format you want to save.
JPG - JPEG file.
PNG - PNG file.
GIF - GIF file.
TIF - TIF file.
BMP - BMP file.
PDF - PDF file.
WBMP - WBMP file.
PCX - PCX file.
TGA - TGA file.
ICO - ICO file.
JP2 - JP2 file.
JPC - JPC file.
RAS - RAS file.
PGX - PGX file.
PNM - PNM file.
iThumbnailWidth
the user define width of thumbnail image.
iThumbnailHeight
the user define height of thumbnail image.
clrBackColor
the background color of thumbnail image.
Return Value
Return 1 - successful
Return 0 - Failed
Example
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Visual Basic Syntax
ImageViewer1.CreateThumbnail("c:\test1", "PNG", 160, 120, RGB(255,0,0))
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