This page provides an example of how to open [PDF] with Adobe Acrobat or Adobe Acrobat Reader using the DDE package. For more information see http://partners.adobe.com/public/developer/en/acrobat/sdk/pdf/intro_to_sdk/DeveloperFAQ.pdf, http://partners.adobe.com/public/developer/en/acrobat/sdk/pdf/iac/IACOverview.pdf and http://partners.adobe.com/public/developer/en/acrobat/sdk/pdf/iac/IACReference.pdf.

[Alexander Schöpe]

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 package require dde

 if {[catch {registry get HKEY_CLASSES_ROOT\\acrobat\\shell\\open\\command {}} acrobat]} {
   puts stderr "registry: $acrobat"
   exit 1
 }
 set acrobat [string range $acrobat 0 [string first " /u" $acrobat]]

 if {[catch {registry get HKEY_CLASSES_ROOT\\acrobat\\shell\\open\\ddeexec\\application {}} service]} {
   puts stderr "registry: $service"
   exit 1
 }
 if {[catch {registry get HKEY_CLASSES_ROOT\\acrobat\\shell\\open\\ddeexec\\topic {}} topic]} {
   puts stderr "registry: $topic"
   exit 1
 }

 if {[dde services $service $topic] == ""} {
   exec $acrobat &
 }

 dde execute $service $topic {[FileOpen("C:\IACReference.pdf")]}

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