subject_35654.htm

一些关于vc的问答

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序号：35654 发表者：李 发表日期：2003-04-08 15:01:02
<br>主题：一个关于鼠标光标的问题？
<br>内容：m_hcurSquare=AfxGetApp()-&gt;LoadCursor(IDC_CURSOR2);<BR><BR><BR>BOOL CSetCursorView::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) <BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(nHitTest==HTCLIENT)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;POINT point;<BR>&nbsp;&nbsp;&nbsp;&nbsp;::GetCursorPos(&amp;point);<BR>&nbsp;&nbsp;&nbsp;&nbsp;ScreenToClient(&amp;point);<BR>&nbsp;&nbsp;&nbsp;&nbsp;CRect rect1(220,220,300,300);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(rect1.PtInRect(point))<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AfxMessageBox("enter");//ok。<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SetCursor(m_hcurSquare);//不行。<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;return CView::OnSetCursor(pWnd, nHitTest, message);<BR>}<BR>
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回复者：wowow 回复日期：2003-04-09 09:07:39
<br>内容：在OnSetCursor中使用SetCursor会再次激发OnSetCursor。
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回复者：李 回复日期：2003-04-09 15:07:25
<br>内容：不会啊!
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<font color=red>答案被接受</font><br>回复者：林建华 回复日期：2003-04-10 18:30:17
<br>内容： return CView::OnSetCursor(pWnd, nHitTest, message);<BR><BR>把这句话改成<BR>return TRUE;试试
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回复者：李 回复日期：2003-04-11 00:37:52
<br>内容：<BR>ok！这样改就行了。<BR><BR><BR>m_hcurSquare=AfxGetApp()-&gt;LoadCursor(IDC_CURSOR2);<BR><BR><BR>BOOL CSetCursorView::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) <BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(nHitTest==HTCLIENT)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;POINT point;<BR>&nbsp;&nbsp;&nbsp;&nbsp;::GetCursorPos(&amp;point);<BR>&nbsp;&nbsp;&nbsp;&nbsp;ScreenToClient(&amp;point);<BR>&nbsp;&nbsp;&nbsp;&nbsp;CRect rect1(220,220,300,300);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(rect1.PtInRect(point))<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AfxMessageBox("enter");//ok。<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SetCursor(m_hcurSquare);//不行。<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return TRUE;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;return CView::OnSetCursor(pWnd, nHitTest, message);<BR>}
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