?? deletedc.htm
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<title>DeleteDC</title>
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<td width="100%" height="16">DeleteDC</td>
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<td width="100%" colspan="2">VB聲明</td>
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<td width="100%" colspan="2">Declare Function DeleteDC Lib "gdi32" Alias
"DeleteDC" (ByVal hdc As Long) As Long</td>
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<td width="100%" colspan="2">說(shuō)明</td>
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<td width="100%" colspan="2">刪除專用設(shè)備場(chǎng)景或信息場(chǎng)景，釋放所有相關(guān)窗口資源。不要將它用于<a
href="GetDC.htm">GetDC</a>函數(shù)取回的設(shè)備場(chǎng)景</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，執(zhí)行成功則為非零，失敗則為零</td>
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<td width="100%" colspan="2">參數(shù)表</td>
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<td width="25%">參數(shù)</td>
<td width="75%">類型及說(shuō)明</td>
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<td width="25%">hdc</td>
<td width="75%">Long，將要?jiǎng)h除的設(shè)備場(chǎng)景</td>
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<td width="100%" colspan="2">注解</td>
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<td width="100%" colspan="2"><p align="left">若有對(duì)象被選入設(shè)備場(chǎng)景，則在調(diào)用本函數(shù)前應(yīng)將它們選出。為此，可將初始對(duì)象回選入DC，也可用<a
href="SaveDC.htm">SaveDC</a>， <a href="RestoreDC.htm">RestoreDC</a>函數(shù)對(duì)回復(fù)DC為其創(chuàng)建時(shí)的狀態(tài)</td>
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<td width="100%" colspan="2">在vb里使用</td>
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<td width="100%" colspan="2">不要將它用于由vb hdc屬性獲取的設(shè)備場(chǎng)景句柄</td>
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<td width="100%"><p align="right">Top</td>
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