querydoc.h

这是一个数据库的动态查询的ＶＣ＋＋程序

// QueryDoc.h : interface of the CQueryDoc class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_QUERYDOC_H__379C2752_2323_42AD_9D20_41DF3EC9AF07__INCLUDED_)
#define AFX_QUERYDOC_H__379C2752_2323_42AD_9D20_41DF3EC9AF07__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "DBEngine/SQLQuery.h"

enum UpdateHints
{
	HINT_UPDATE_WINDOW,
	HINT_ON_QUERY_RESULT_READY,
	HINT_ON_NODE_SELECTED,
};

typedef enum
{
	TreeNode_None,
	TreeNode_RootDatabase,
	TreeNode_RootTables,
	TreeNode_TableName,

} TreeNodeType;

class CQueryDoc : public CDocument
{
protected: // create from serialization only
	CQueryDoc();
	DECLARE_DYNCREATE(CQueryDoc)

// Attributes
public:

	CString		m_strQuery;
	CSQLQuery	m_query;

	TreeNodeType	m_hSelNodeType;
	CString			m_strSelNodeName;

// Operations
public:

	void OnSelectTreeNode(TreeNodeType node, const CString strText);

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CQueryDoc)
	public:
	virtual BOOL OnNewDocument();
	virtual void Serialize(CArchive& ar);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CQueryDoc();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CQueryDoc)
	afx_msg void OnRunQuery();
	afx_msg void OnUpdateRunQuery(CCmdUI* pCmdUI);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_QUERYDOC_H__379C2752_2323_42AD_9D20_41DF3EC9AF07__INCLUDED_)