?? getkeyboardstate.htm
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<td width="100%" height="16">GetKeyboardState</td>
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<td width="102%" colspan="2">VB聲明</td>
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<td width="102%" colspan="2">Declare Function GetKeyboardState Lib "user32"
Alias "GetKeyboardState" (pbKeyState As Byte) As Long</td>
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<td width="102%" colspan="2">說明</td>
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<td width="102%" colspan="2">取得鍵盤上每個虛擬鍵當前的狀態(tài)</td>
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<td width="102%" colspan="2">返回值</td>
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<td width="102%" colspan="2">Long,非零表示成功,零表示失敗。會設置<a
href="GetLastError.htm" tppabs="http://www.gxbcts.com/airfly/api/papi/GetLastError.htm">GetLastError</a></td>
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<td width="102%" colspan="2">參數(shù)表</td>
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<td width="25%">參數(shù)</td>
<td width="77%">類型及說明</td>
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<td width="25%">pbKeyState</td>
<td width="77%">Long,總共含256個條目的字節(jié)數(shù)組中的第一個項目。每個字節(jié)都會附帶載入與虛擬鍵對應的狀態(tài)。如開關鍵打開,則位0設為1(開關鍵包括CapsLock,
NumLock, ScrollLock);如某個鍵當時按下,則位7為1;如已經(jīng)抬起,則為0</td>
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<td width="102%" colspan="2">注解</td>
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<td width="102%" colspan="2"><p align="left">虛擬鍵碼常數(shù) VK_?
作為數(shù)組的索引使用。這個函數(shù)相應于取得按鍵狀態(tài)于一瞬間的“快照”——鍵按下或松開以后,數(shù)組不會自動更新。在win32中注意用一個字節(jié)數(shù)組避免由于vb向Unicode的內部轉換而導致錯誤</td>
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<td width="100%"><p align="right">Top</td>
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