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Effective online update checking mechanism using PAD / XML files

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21 Dec 20066 min read 26.8K   357   26  
How to check for new program versions using XML / PAD files.
<?xml version="1.0" encoding="UTF-8"?>
<XML_DIZ_INFO>
	<MASTER_PAD_VERSION_INFO>
		<MASTER_PAD_VERSION>2.01</MASTER_PAD_VERSION>
		<MASTER_PAD_EDITOR>DeuPAD 2.0.0.47 (http://www.deupad.org)</MASTER_PAD_EDITOR>
		<MASTER_PAD_INFO>Portable Application Description, or PAD for short, is a data set that is used by shareware authors to dissemminate information to anyone interested in their software products.  To find out more go to http://www.asp-shareware.org/pad</MASTER_PAD_INFO>
	</MASTER_PAD_VERSION_INFO>
	<Company_Info>
		<Company_Name>United Bytes</Company_Name>
		<Address_1></Address_1>
		<Address_2 />
		<Zip_Postal_Code></Zip_Postal_Code>
		<City_Town></City_Town>
		<Country></Country>
		<State_Province />
		<Company_WebSite_URL>http://www.unitedbytes.de</Company_WebSite_URL>
		<Contact_Info>
			<Author_First_Name>Andreas</Author_First_Name>
			<Author_Last_Name>Loeffler</Author_Last_Name>
			<Author_Email>info@unitedbytes.de</Author_Email>
			<Contact_First_Name>Andreas</Contact_First_Name>
			<Contact_Last_Name>Loeffler</Contact_Last_Name>
			<Contact_Email>info@unitedbytes.de</Contact_Email>
		</Contact_Info>
		<Support_Info>
			<General_Email>info@unitedbytes.de</General_Email>
			<Support_Email>info@unitedbytes.de</Support_Email>
			<Sales_Email>info@unitedbytes.de</Sales_Email>
			<General_Phone />
			<Support_Phone />
			<Sales_Phone />
			<Fax_Phone />
		</Support_Info>
	</Company_Info>
	<Program_Info>
		<Program_Name>VersionCheck_Example</Program_Name>
		<Program_Version>1.1.0</Program_Version>
		<Program_Type>Freeware</Program_Type>
		<Program_Release_Status>Major Update</Program_Release_Status>
		<Program_Category_Class>System Utilities::File &amp; Disk Management</Program_Category_Class>
		<Program_Release_Year>2006</Program_Release_Year>
		<Program_Release_Month>06</Program_Release_Month>
		<Program_Release_Day>02</Program_Release_Day>
		<Program_Cost_Other>0.00</Program_Cost_Other>
		<Program_Cost_Other_Code />
		<Program_Cost_Dollars>0.00</Program_Cost_Dollars>
		<Program_Categories />
		<Program_Specific_Category />
		<Program_Change_Info />
		<Program_Language>English</Program_Language>
		<Program_OS_Support>Win95,Win98,WinME,WinNT 4.x,WinXP,Windows2000,Windows2003</Program_OS_Support>
		<Program_Install_Support>No Install Support</Program_Install_Support>
		<Program_System_Requirements />
		<Includes_VB_Runtime>N</Includes_VB_Runtime>
		<Includes_JAVA_VM>N</Includes_JAVA_VM>
		<Includes_DirectX>N</Includes_DirectX>
		<File_Info>
			<Filename_Long>VersionCheck_Example</Filename_Long>
			<Filename_Generic />
			<Filename_Versioned />
			<Filename_Previous />
			<File_Size_Bytes>300000</File_Size_Bytes>
			<File_Size_K>1</File_Size_K>
			<File_Size_MB>0.01</File_Size_MB>
		</File_Info>
		<Expire_Info>
			<Has_Expire_Info>N</Has_Expire_Info>
			<Expire_Based_On />
			<Expire_Count>0</Expire_Count>
			<Expire_Other_Info />
			<Expire_Year />
			<Expire_Month />
			<Expire_Day />
		</Expire_Info>
	</Program_Info>
	<Permissions>
		<Distribution_Permissions />
		<EULA />
	</Permissions>
	<Affiliates>
		<Affiliates_FORM>Y</Affiliates_FORM>
		<Affiliates_VERSION>1.0</Affiliates_VERSION>
		<Affiliates_URL>http://www.asp-shareware.org/pad/extensions/Affiliates.htm</Affiliates_URL>
		<Affiliates_Information_Page />
		<Affiliates_BMTMicro_Order_Page />
		<Affiliates_BMTMicro_Vendor_ID />
		<Affiliates_BMTMicro_Product_ID />
		<Affiliates_BMTMicro_Maximum_Commission_Rate />
		<Affiliates_DigiBuy_Order_Page />
		<Affiliates_DigiBuy_Vendor_ID />
		<Affiliates_DigiBuy_Product_ID />
		<Affiliates_DigiBuy_Maximum_Commission_Rate />
		<Affiliates_DigitalCandle_Order_Page />
		<Affiliates_DigitalCandle_Vendor_ID />
		<Affiliates_DigitalCandle_Product_ID />
		<Affiliates_DigitalCandle_Maximum_Commission_Rate />
		<Affiliates_Emetrix_Order_Page />
		<Affiliates_Emetrix_Vendor_ID />
		<Affiliates_Emetrix_Product_ID />
		<Affiliates_Emetrix_Maximum_Commission_Rate />
		<Affiliates_eSellerate_Order_Page />
		<Affiliates_eSellerate_Vendor_ID />
		<Affiliates_eSellerate_Product_ID />
		<Affiliates_eSellerate_Maximum_Commission_Rate />
		<Affiliates_Kagi_Order_Page />
		<Affiliates_Kagi_Vendor_ID />
		<Affiliates_Kagi_Product_ID />
		<Affiliates_Kagi_Maximum_Commission_Rate />
		<Affiliates_NorthStarSol_Order_Page />
		<Affiliates_NorthStarSol_Vendor_ID />
		<Affiliates_NorthStarSol_Product_ID />
		<Affiliates_NorthStarSol_Maximum_Commission_Rate />
		<Affiliates_Order1_Order_Page />
		<Affiliates_Order1_Vendor_ID />
		<Affiliates_Order1_Product_ID />
		<Affiliates_Order1_Maximum_Commission_Rate />
		<Affiliates_Osolis_Order_Page />
		<Affiliates_Osolis_Vendor_ID />
		<Affiliates_Osolis_Product_ID />
		<Affiliates_Osolis_Maximum_Commission_Rate />
		<Affiliates_Regnet_Order_Page />
		<Affiliates_Regnet_Vendor_ID />
		<Affiliates_Regnet_Product_ID />
		<Affiliates_Regnet_Maximum_Commission_Rate />
		<Affiliates_Regnow_Order_Page />
		<Affiliates_Regnow_Vendor_ID />
		<Affiliates_Regnow_Product_ID />
		<Affiliates_Regnow_Maximum_Commission_Rate />
		<Affiliates_Regsoft_Order_Page />
		<Affiliates_Regsoft_Vendor_ID />
		<Affiliates_Regsoft_Product_ID />
		<Affiliates_Regsoft_Maximum_Commission_Rate />
		<Affiliates_ShareIt_Order_Page />
		<Affiliates_ShareIt_Vendor_ID />
		<Affiliates_ShareIt_Product_ID />
		<Affiliates_ShareIt_Maximum_Commission_Rate />
		<Affiliates_SWReg_Order_Page />
		<Affiliates_SWReg_Vendor_ID />
		<Affiliates_SWReg_Product_ID />
		<Affiliates_SWReg_Maximum_Commission_Rate />
		<Affiliates_V-Share_Order_Page />
		<Affiliates_V-Share_Vendor_ID />
		<Affiliates_V-Share_Product_ID />
		<Affiliates_V-Share_Maximum_Commission_Rate />
		<Affiliates_VFree_Order_Page />
		<Affiliates_VFree_Vendor_ID />
		<Affiliates_VFree_Product_ID />
		<Affiliates_VFree_Maximum_Commission_Rate />
		<Affiliates_Yaskifo_Order_Page />
		<Affiliates_Yaskifo_Vendor_ID />
		<Affiliates_Yaskifo_Product_ID />
		<Affiliates_Yaskifo_Maximum_Commission_Rate />
	</Affiliates>
	<ASP>
		<ASP_FORM>Y</ASP_FORM>
		<ASP_Member>N</ASP_Member>
		<ASP_Member_Number />
	</ASP>
</XML_DIZ_INFO>

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Written By
Web Developer
Germany Germany
I was born in 1982 near Stuttgart / Germany and began my first steps in programming computers at the age of only nine years on an old Commodore CBM 7072. In 2002 I finished my education as IT specialist for software engineering and did my civillian service afterwards. Currently I'm working as leader of the software division in a bigger company located in south west Germany, mainly on software development and research projects for multimedia terminals and user recognition/verification systems.

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