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Draw the overlay image on image. You can adjust the transparent color, alpha value. Make sure set the ShowImage property = true.
Public Function DrawImage( _
ByVal iXPos As Integer, _
ByVal iYPos As Integer, _
ByVal strImageFile As String, _
ByVal clrTran As Color, _
ByVal iAlphaValue As Integer
)
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Parameter
iXPos
Specifies the logical x-coordinate of the starting point of the image.
iYPos
Specifies the logical y-coordinate of the starting point of the image.
strImageFile
the image file of overlay image. It support bmp, jpg, tif, png, gif image.
clrTran
the transparent color of overlay image.
iAlphaValue
the alpha value of overlay image, range from 0-255. 255 = fully visble.
Return Value
No return value.
Example
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Visual Basic Syntax
ImageViewer1.FileName="c:\test1.jpg"
ImageViewer1.ShowImage=True
ImageViewer1.DrawImage 0, 0, c:\image.jpg, RGB(0,0,0), 255
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