Using Win32 functions in Visual FoxPro Image Gallery
Message and Message Queue
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BroadcastSystemMessage
GetQueueStatus
MQCloseQueue
MQDeleteQueue
MQHandleToFormatName
MQOpenQueue
MQPathNameToFormatName
MQPurgeQueue
PeekMessage
PostMessage
PostQuitMessage
SendMessage
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How to view system icons for the classes installed on the local machine

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Before you begin:
The bitmap images for the classes installed on the machine are stored in some system area. These images are more of a general kind and illustrate functionality groups rather than individual classes.

With a few API calls VFP application can access these images and display them in TreeView and ListView controls as icons.


As the picture above shows, the list is definitely OS and machine configuration specific.

See also:
  • System Image List Viewer
  • Displaying the associated icons and descriptions for files and folders
  • How to find an application associated with the file name
  • How to obtain Content-Type value for a file type from the System Registry
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    User rating: 0/10 (0 votes)
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    5011 bytes  
    Created: 2008-12-18 18:05:42  
    Modified: 2010-05-13 09:58:02  
    Visits in 7 days: 250  
    Listed functions:
    ImageList_GetImageCount
    SendMessage
    SetupDiDestroyClassImageList
    SetupDiGetClassImageIndex
    SetupDiGetClassImageListEx
    Printer friendly API declarations
    My comment:
    For me the most interesting part in this code is not the getting access to the image list but the way the bitmaps from it are made icons in the TreeView control.
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