[MSDN Library April 2000] IExchExtCommands::QueryButtonInfo (100%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Extending the Microsoft Exchange Client > Reference > Interfaces for Extending the Microsoft Exchange Client > IExchExtCommands : IUnknown

[MSDN Library April 2000] IExchExtCommands::QueryHelpText (92.4242424242424%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Extending the Microsoft Exchange Client > Reference > Interfaces for Extending the Microsoft Exchange Client > IExchExtCommands : IUnknown

[MSDN Library April 2000] IExchExtCommands::ResetToolbar (90.9090909090909%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Extending the Microsoft Exchange Client > Reference > Interfaces for Extending the Microsoft Exchange Client > IExchExtCommands : IUnknown

[MSDN Library April 2000] IExchExtCommands::InitMenu (90.1515151515151%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Extending the Microsoft Exchange Client > Reference > Interfaces for Extending the Microsoft Exchange Client > IExchExtCommands : IUnknown

[MSDN Library April 2000] IExchExtCommands::InstallCommands (89.3939393939394%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Extending the Microsoft Exchange Client > Reference > Interfaces for Extending the Microsoft Exchange Client > IExchExtCommands : IUnknown