GDI+: copying to the Clipboard (a) image of active FoxPro window/form, (b) image file
GDI+: Storing content of the Clipboard to a bitmap file
How to change display settings: screen resolution, screen refresh rate
GDI+: saving image of FoxPro form to graphics file (BMP, GIF, JPG, PNG, TIF)
Custom GDI+ class
Using FoxTray ActiveX control: System Tray Icon and menu attached to VFP form
How to convert a bitmap file to monochrome format (1 bpp)
Using Video Capture: displaying on FoxPro form frames and previewing video obtained from a digital camera
Capturing keyboard activity of another application with the Raw Input API (VFP9)
GDI+: Implementing image scrolling with inertia
Retrieving the name of the primary domain controller (PDC) and join status information
Storing content of the Clipboard to a bitmap file
Custom HttpRequest class (WinHTTP)
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The SQLGetProp() creates a bridge between Visual FoxPro and the ODBC API
Winsock: sending email messages (SMTP, port 25)
Custom HttpRequest class (WinINet)
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How to create MD-5 and SHA-1 hash values from a string
Mapping and disconnecting network drives
Enumerating raw input devices attached to the system (keyboard, mouse, human interface device)
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How to ping a remote site using ICMP API calls
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Before you begin: The Ping class presents several API functions -- IcmpCreateFile, IcmpCloseHandle, IcmpSendEcho and others -- that used to send an ICMP Echo request and get a reply (RTT, round-trip time).
This is interesting, the same set of ICMP functions may exist in two libraries, ICMP.DLL and IPHLPAPI.DLL, on WinXP/2K computer.
How to ping a remote site using IP Helper API calls
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Using NetWkstaTransportEnum to obtain MAC Address of remote server
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User rating: 0/10 (0 votes) 4122 bytes Created: 2005-04-12 11:53:00 Modified: 2011-12-10 09:20:22 Visits in 7 days: 103 Listed functions: My comment: The ICMP, Internet Control Message Protocol, an extension to the Internet Protocol that is generally used by PING utilities. This protocol is handy for generation of error messages, test packets, and informational messages related to IP.
It is different from TCP and UDP protocols by both the purpose and implementation. RFC792 defines the ICMP. Word Index links for this example:
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User Contributed Notes:
JimW | 2010-12-13 15:59:56
I think there is a small error in the ToString() method. For the first line of the method, rather than: IF .errorcode=0 I think it should be: IF this.errorcode=0
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