From: Michael Davis <mdavis@...>
Date: 2002-04-16T01:27:39+09:00
Subject: Re: Displaying gif or jpg files using Win32API?

Park Heesob wrote:
> ----- Original Message ----- 
> From: "Michael Davis" <mdavis@sevainc.com>
> To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
> Sent: Sunday, April 14, 2002 2:12 AM
> Subject: Displaying gif or jpg files using Win32API?
> 
> 
> 
>>Has anyone successfully displayed a gif or jpg using Win32API?  Has 
>>anyone created a C extension for Ruby that will display a gif or jpg?  I 
>>have been trying, unsuccessfully, to do this using various C++ and VB 
>>examples.
>>
> 
> 
> Hi,
> 
> Here is one solution.
> 
> require 'Win32API'
> HlinkNavigateString = Win32API.new("urlmon","HlinkNavigateString",['P','P'],'L')
> MultiByteToWideChar = Win32API.new("kernel32","MultiByteToWideChar",['L','L','P','L','P','L'],'L')
> str = 'c:\Program Files\FlashGet\Skin\TestBk.jpg'
> ostr = "\0" * 256
> MultiByteToWideChar.Call(0,0,str,str.length+1,ostr,128);
> HlinkNavigateString.Call(0,ostr)
> 
> It works on Windows XP.
> 
> Park Heesob
> 

This is a cool suggestion and it works great.  However, this opens a new 
browser window for each image.  I was hoping to embed the image in an 
exisiting window.

-- 
Michael Davis
Database Architect and Senior Software Engineer, Seva Inc.
Email: mdavis@sevainc.com