Command.ext: Exchange Custom Command Extensions Sample

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The Command.ext sample demonstrates how to implement custom command extensions for the Microsoft Exchange Client. This sample demonstrates:

• Adding a menu command
  
  
• Adding a toolbar button
  
  
• Disabling or enabling the menu item and toolbar item depending on what object is selected in the viewer
  
  
• Making MAPI calls from an extension
  
  
• Extending a command in the Main Viewer and the Search Viewer dialog box
  
  
• Implementing F1 response for context help on the menu item
  
  
• Implementing custom ToolTip and status bar text

The custom command displays the number of subfolders, read messages, and unread messages in a selected folder.

Building SDK Samples

This sample uses the following keywords:

addref; appendmenu; dllmain; docommand; enablemenuitem; exchentrypoint; failed; freeprows; getcmdid; getcontentstable; getfolderstats; gethierarchytable; getmenu; getmenupos; getobject; getrowcount; getselectionitem; getsession; getversion; help; initmenu; installcommands; lstrcpyn; mapifreebuffer; messagebox; myexchextuserevents; onobjectchange; onselectionchange; openentry; querybuttoninfo; queryhelptext; queryinterface; queryrows; release; resettoolbar; sendmessage; setcolumns; setcontext; setiexchext; sizedsproptagarray; stdmethodimp_; wsprintf