Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Enumerating network resources
GDI+: Using Scale and Shear transformations
How to block the PrintScreen key
Obtaining heap handles and enumerating memory blocks for the current VFP session (WinNT only)
Quering waveform-audio output devices
Reading security permissions for NTFS files and folders
Retrieving the priority class for the current process
Retrieving top-child window for the VFP form
Storing the environment strings in cursor
Using InternetSetFilePointer when resuming interrupted download from the Internet
Using the GradientFill function
Converting twips to pixels and vice versa
Displaying the drive type value
Enumerating network sessions established on a server
Enumerating ports that are available for printing on a specified server
Enumerating printer drivers installed
GDI+: printing vertical text on VFP reports via generated images (VFP8)
GDI+: Scrolling through large image using the mouse
How to browse and connect to printers on a network (WinNT)
How to display the port-configuration dialog box for a port on the specified server
How to display the Print property sheet
How to enumerate sessions and processes on a specified terminal server
How to view icons stored in executable files (Icon Viewer) - II
How to view system icons for the classes installed on the local machine
The original LoadPicture() function in VFP returns valid handles to bitmaps, icons, cursors, and metafiles

User rating: 0/10 (0 votes)
Rate this code sample:
  • ~
More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
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
    ?


User rating: 0/10 (0 votes)
Rate this code sample:
  • ~
640 bytes  
Created: 2002-03-31 14:09:12  
Modified: 2003-04-23 22:22:10  
Visits in 7 days: 41  
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.
Word Index links for this example:
Translate this page:
  Spanish    Portuguese    German    French    Italian  
FreeTranslation.com offers instant, free translations of text or web pages.
User Contributed Notes:
There are no notes on this subject.


Copyright 2001-2014 News2News, Inc. Before reproducing or distributing any data from this site please ask for an approval from its owner. Unless otherwise specified, this page is for your personal and non-commercial use. The information on this page is presented AS IS, meaning that you may use it at your own risk. Microsoft Visual FoxPro and Windows are trade marks of Microsoft Corp. All other trademarks are the property of their respective owners. 

Privacy policy
Credits: PHP (4.4.9), an HTML-embedded scripting language, MySQL (5.1.68), the Open Source standard SQL database, AceHTML Freeware Version 4, freeware HTML Editor of choice.   Hosted by Korax Online Inc.
Last Topics Visited (54.87.179.107)
1.87 min.Function: 'timeGetDevCaps'
Function group: 'Windows Multimedia'
Google
Advertise here!