Using Win32 functions in Visual FoxPro Image Gallery
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Code examples:
How to view system icons for the classes installed on the local machine
Printing text on the client area of the main VFP window
Testing if a connection to an Url can be established
Using FillMemory
Using FrameRgn for displaying system colors
Winsock: creating a socket that is bound to a specific service provider
Displaying standard progress dialog box when copying files
GDI+: printing vertical text on VFP reports via generated images (VFP9)
Finding the path to the VFP executable running
How to release and renew a lease on an IP address previously obtained through Dynamic Host Configuration Protocol (DHCP)
Pocket PC: Folder Viewer
Testing MS Internet Explorer version installed
Validating URLs using moniker functions
Comparing dimensions of the VFP main window with _SCREEN properties
Enumerating the subkeys for a given registry key
OS version and revision
Customizing the frame of top-level form: removing the standard frame (VFP9, Vista)
Extracting the name and extension parts of a path string
Retrieving information about all users currently logged on to the workstation (WinNT only)
Using the DeleteFile
Winsock: retrieving information about available transport protocols
How to delete IE cookies, clear IE history and delete files in Temporary Internet Files directory
Reading parameters of streams in AVI file
Animating a transition of the VFP form (a wire-frame rectangle)


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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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    		5011 bytes  
    Created: 2008-12-18 18:05:42  
    Modified: 2010-05-13 09:58:02  
    Visits in 7 days: 102  
    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.
    Word Index links for this example:
    Bitmap
    file name
    Icon
    Registry
    local machine
    file type
    System Registry
    image list
    associated icon
    ListView control
    system image list
    TreeView Control
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