Using Win32 functions in Visual FoxPro Image Gallery
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System Image List Viewer
The original LoadPicture() function in VFP returns valid handles to bitmaps, icons, cursors, and metafiles

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Before you begin:
Provide valid file names when calling this function.
DECLARE INTEGER GetObjectType IN gdi32 INTEGER h
#DEFINE OBJ_BITMAP    7
#DEFINE OBJ_METAFILE  9

LOCAL obj

* provide valid file names

= LoadObject("badge.bmp")
= LoadObject("BACKGRND.GIF")
= LoadObject("BD04956_.WMF")
= LoadObject("FILES10.ICO")
= LoadObject("H_POINT.CUR")

PROCEDURE LoadObject (lcFilename)
    LOCAL obj
    ? "Filename:", FULLPATH(lcFilename)

    IF FILE(lcFilename)
        obj = LoadPicture (lcFilename)
    ENDIF

    IF TYPE("obj") = "O"
        ? "Handle:", obj.handle
        ? "Handle type:", GetObjectType(obj.handle)
        ? "Width:", obj.width
        ? "Height:", obj.height
    ELSE
        ?? " -- not accessible"
    ENDIF
    ?


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640 bytes  
Created: 2002-03-31 14:09:12  
Modified: 2003-04-23 22:22:10  
Visits in 7 days: 64  
Listed functions:
GetObjectType
Printer friendly API declarations
My comment:
The LoadPicture() function (note this is a VFP function, not Win32 one) loads bitmap files as well as GIF and JPEG files, converting them into memory bitmaps. So after all you get valid bitmap handle -- no need to implement Win32-based algorithms for reading GIFs and JPEGs.
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