?? mapwindowpoints.htm
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<title>MapWindowPoints</title>
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<td width="100%" height="16"><a name="MapWindowPoints">MapWindowPoints</a></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 MapWindowPoints& Lib "user32"
(ByVal hwndFrom As Long, ByVal hwndTo As Long, lppt As POINTAPI, ByVal cPoints As Long)</td>
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<td width="100%" colspan="2">說明</td>
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<td width="100%" colspan="2">將一個窗口客戶區坐標的點轉換到另一窗口的客戶區坐標系統（在vb里使用：無論向函數傳遞單獨一個點，還是傳遞數組中的第一個<a
href="POINTAPI.htm">POINTAPI</a>結構，都要特別謹慎。數組中的條目數量至少等于由cPoints參數指定的數量）</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，低字代表映射過程中添加給每個點的水平偏移，高字則代表垂直偏移</td>
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<td width="100%" colspan="2">參數表</td>
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<td width="25%">參數</td>
<td width="75%">類型及說明</td>
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<td width="25%">hwndFrom</td>
<td width="75%">Long，定義源坐標的窗口。用零或桌面窗口句柄指定屏幕坐標</td>
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<td width="25%">hwndTo</td>
<td width="75%">Long，定義目標坐標的窗口。用零或桌面窗口句柄指定屏幕坐標</td>
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<td width="25%">lppt</td>
<td width="75%"><a href="POINTAPI.htm">POINTAPI</a>，點結構中待轉換的第一個條目。注意<a
href="RECT.htm">RECT</a>結構在內存中組織成兩個連續的<a href="POINTAPI.htm">POINTAPI</a>結構。這樣就可為該函數創建一個別名，并使用<a
href="RECT.htm">RECT</a>結構；而不是<a href="POINTAPI.htm">POINTAPI</a>結構。如這樣做時，注意將cPoints的值加倍</td>
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<td width="25%">cPoints</td>
<td width="75%">Long，欲轉換的點數</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">在vb自帶的api查看器中復制的聲明為：Declare
Function MapWindowPoints Lib "user32" Alias "MapWindowPoints" (ByVal
hwndFrom As Long, ByVal hwndTo As Long, lppt As Any, ByVal cPoints As Long) As Long，請注意：lppt
As Any</td>
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</center></div><div align="center"><center>
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<td width="100%"><p align="right"><a href="#MapWindowPoints">Top</a></td>
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