WpSetContentsFromPointer

This method is specific to Version 4, or higher, of the OS/2 operating system.

This instance method sets a WPDataFile object's contents based on a pointer to shared memory.

Syntax

_wpSetContentsFromPointer(somSelf, pData)

Parameters

somSelf (WPDataFile *) - input

Pointer to the object on which the method is being invoked.

Points to an object of class WPDataFile.

pData (PVOID) - input

Pointer to shared memory.

The first word must be a **ULONG** that contains the length, followed immediately by the data.

Returns

rc (BOOL) - returns

Success indicator.

• TRUE Successful completion.
• FALSE Error occurred.

How to Override

This method is not generally overridden.

Usage

This method can be called at any time to change the contents of a data file.

Remarks

This method is not covered in the provided text.

Example Code

#define INCL_WINWORKPLACE
#include <os2.h>

WPDataFile *somSelf; /* Pointer to the object on which the method is being invoked. */
PVOID pData; /* Pointer to shared memory. */
BOOL rc; /* Success indicator */

rc = _wpSetContentsFromPointer(somSelf, pData);

/* Example code provided in the source: */
PVOID pData;

pData = _wpQueryPointerFromContents(SourceDataFile);
if (pData)
{
    _wpSetContentsFromPointer(TargetDataFile,pData);
    DosFreeMem(pData);
}

Related Methods

• wpQueryHandleFromContents
• wpQueryPointerFromContents
• wpQueryPointerFromContents