VC常见问题

1 屏蔽对话框的Enter和Esc键

 实现OnOK和OnCancel函数:

void CXXXDlg::OnOK() { if(::GetKeyState(VK_RETURN)<0) return; CDialog::OnOK(); } void CXXXDlg:: OnCancel () { if(::GetKeyState(VK_ESCAPE)<0) return; CDialog:: OnCancel (); }

2 运行其它程序

ShellExecute(NULL, "open", "notepad", NULL, NULL, SW_SHOWNORMAL);//或者 WinExec("notepad.exe",SW_SHOW);

3 CTreeCtrl获取右键点击的节点项

 CPoint point; UINT uFlag = 0; ::GetCursorPos(&point); m_treeGroup.ScreenToClient(&point); HTREEITEM hItem = m_treeGroup.HitTest(point,&uFlag); //返回一个被点击中的树结点 if( (NULL != hItem) && (TVHT_ONITEM & uFlag)) //如果点击不为空 { //DoSomething }

或者

HTREEITEM hSelect = m_treeGroup.GetSelectedItem(); HTREEITEM hHilight = m_treeGroup.GetDropHilightItem(); if( (hHilight != NULL) && (hSelect != hHilight) ) hSelect = hHilight;

4 编译错误

fatal error C1083: Cannot open include file: 'stdafx.h'

可能原因是在dsp中加入了cpp文件，在FileView中去掉加入的cpp文件。