SAMPLE: FrmVwr.exe Extended MAPI Form Viewer

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Article ID: 230770 - View products that this article applies to.
This article was previously published under Q230770
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SUMMARY

FrmVwr.exe includes a sample that demonstrates how to implement the IMAPIMessageSite, IMAPIViewContext, and IMAPIViewAdviseSink interfaces, that make up a FormViewer object. The sample was written with Microsoft Visual C++ and Microsoft Foundation Classes (MFC).

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A common task in Extended MAPI is the displaying of forms. The IMAPISession object has two functions: PrepareForm and ShowForm, which are commonly used in conjunction to display a form. However, when a form is displayed in this manner it is modal to the application. In order to display a form that is non-modal, a Form Viewer must be implemented.

A MAPI Form Viewer is an object that consists of three interfaces: IMAPIMessageSite, IMAPIViewContext, and IMAPIViewAdviseSink. When these three interfaces are implemented, a form may appear with a call to IMAPIFormManager->LoadForm followed by a call to IMAPIForm->DoVerb. The Form Viewer, whose interfaces are passed as parameters to LoadForm, handles the details of showing the form and activating the Previous and Next buttons implemented in most built-in MAPI forms.

Setup

Follow these steps to build the sample:
  1. Extract the files from the self-extracting executable file FormVwr.exe.
  2. Open a command prompt in the folder where you extracted the files.
  3. Create the sample by typing the following command:
    nmake FormViewer.mak
    						
    This action creates a .\Debug directory and places the built executable into the directory.

Running the Sample

When the program starts, you are prompted to select a profile. After you've done this, the program opens the profile's inbox and displays a list of all the messages.

Double-clicking the From field of a message displays the form using the Form Viewer object. This form is in a non-modal window and the Previous and Next buttons are active.

To compare using a Form Viewer to using a Prepare Form/Show Form, select a message and click Open Modal from the Actions menu. Note that the application is blocked until this window is closed.

This sample also demonstrates how to implement IMAPIAdviseSink to maintain a current listing of messages in the Inbox.

Properties

Article ID: 230770 - Last Review: August 25, 2005 - Revision: 2.6
APPLIES TO
  • Microsoft Office Outlook 2007
  • Microsoft Messaging Application Programming Interface
Keywords: 
kbdownload kbfaq kbfile kbhowto kbmsg kbsample KB230770

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