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Microsoft KB Archive/45425 - Revision history
2024-03-28T11:42:15Z
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X010: Text replacement - "&" to "&"
2020-07-21T13:14:31Z
<p>Text replacement - "&" to "&"</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:14, 21 July 2020</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Code Example ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Code Example ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><pre class="codesample">DIM RegsArray&<del style="font-weight: bold; text-decoration: none;">amp;</del>(5)</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><pre class="codesample">DIM RegsArray&(5)</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>DisposPtr&<del style="font-weight: bold; text-decoration: none;">amp; </del>= &<del style="font-weight: bold; text-decoration: none;">amp;</del>HA01F 'TRAP number for the function.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>DisposPtr& = &HA01F 'TRAP number for the function.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>a0&<del style="font-weight: bold; text-decoration: none;">amp; </del>= PointerValue 'PointerValue is the pointer returned</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>a0& = PointerValue 'PointerValue is the pointer returned</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> 'by the NewPtr function.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> 'by the NewPtr function.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ToolBoxNewOS &quot;i&quot; 'initialized the ToolBox call.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ToolBoxNewOS &quot;i&quot; 'initialized the ToolBox call.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>ToolBoxNewOS &quot;r&quot;,DisposPtr&<del style="font-weight: bold; text-decoration: none;">amp;</del>,RegsArray&<del style="font-weight: bold; text-decoration: none;">amp;</del>(0),(a0&<del style="font-weight: bold; text-decoration: none;">amp;</del>) 'calls DisposPtr</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>ToolBoxNewOS &quot;r&quot;,DisposPtr&,RegsArray&(0),(a0&) 'calls DisposPtr</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> 'function.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> 'function.</div></td></tr>
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3155ffGd: importing KB archive
2020-07-18T16:56:34Z
<p>importing KB archive</p>
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= <span id="KB45425"></span>How to Use DisposePtr Toolbox to Release NewPtr Memory Block =<br />
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Article ID: 45425<br />
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Article Last Modified on 1/8/2003<br />
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APPLIES TO<br /><br />
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* Microsoft QuickBasic Compiler for Macintosh 1.0<br />
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This article was previously published under Q45425<br />
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== SUMMARY ==<br />
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The following information applies to Microsoft QuickBASIC Version 1.00 for the Apple Macintosh.<br /><br />
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The following code shows how to release memory occupied by a nonrelocatable block of memory that was previously allocated by the NewPtr Toolbox function. How to call the NewPtr Toolbox is described in another article in this knowledgebase (query on NewPtr Toolbox).<br />
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== MORE INFORMATION ==<br />
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After the call to the DisposPtr function, all pointers to the released block become invalid and should not be used again. Calling DisposPtr using invalid pointers may damage the master pointer list.<br /><br />
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The following example uses one of two new ToolBox routines, which are explained in a separate article in this knowledgebase (query on ToolBoxNewOS and ToolboxNewTOOL). The NewPtr Toolbox call must be called before the DisposPtr Toolbox call to allocate a block of memory and return a pointer to the variable PointerValue. This variable is then passed to the DisposPtr Toolbox call to free the block of memory. If DisposPtr is successful, the DisposPtr Toolbox call returns an error code of (0) zero.<br />
=== Code Example ===<br />
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<pre class="codesample">DIM RegsArray&amp;(5)<br />
DisposPtr&amp; = &amp;HA01F 'TRAP number for the function.<br />
a0&amp; = PointerValue 'PointerValue is the pointer returned<br />
'by the NewPtr function.<br />
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ToolBoxNewOS &quot;i&quot; 'initialized the ToolBox call.<br />
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ToolBoxNewOS &quot;r&quot;,DisposPtr&amp;,RegsArray&amp;(0),(a0&amp;) 'calls DisposPtr<br />
'function.<br />
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PRINT &quot;This is the error code: 0 if all goes well&quot;, RegsArray(2)<br />
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Additional query words: MQuickB<br />
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Keywords: KB45425<br />
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