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#1 Posted : Tuesday, August 24, 2004 1:26:12 PM(UTC)
peter.greco

Groups: Registered
Posts: 2


Hi,

Each common dialog has at least two events, the FileLoad event and the HelpDlg event. I cannot work out from the examples how to use them in my C++ MFC project. Do they fire a message and hence does that mean they must be caught in the WindowsProc message handeler?

Thanks

pete

 

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#2 Posted : Friday, May 13, 2005 10:12:48 AM(UTC)

Ike  
Ike

Groups: Tech Support
Posts: 33

Thanks: 3 times

The FileLoad event is triggered for each file selected by the user to be opened using the Open dialog box when the user want to open multiple files at the same time.
This event will be triggered only if OPEN_ALLOWMULTI is set in the UIFlags property.

The DlgHelp event is triggered when the user clicks on the Help Button on any dialog. To include a help button in a dialog, ShowHelpButton property must be set to VARIANT_TRUE.

In order to handle these events in MFC, you must create a sink class, and add an event handler for the event(s) you wish to process.  A good place to start with this, is the following Microsoft link:
http://support.microsoft.com/default.aspx?scid=kb;en-us;181845.

Also, you should work throught the tutorial “Updating a Gauge and Detecting a User Interrupt” in the LEADTOOLS Main COM Object helpfile.  This tutorial shows how to create a sink class for the LEADTOOLS ILEADRasterProcess COM Object and handle its ProgressStatus event.

 

Ike Starnes
LEAD Technologies, Inc.

Ike
LEAD Technologies, Inc.

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