PropTreeItemCombo.h

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#if !defined(AFX_PROPTREEITEMCOMBO_H__9916BC6F_751F_4B15_996F_3C9F6334A259__INCLUDED_)
#define AFX_PROPTREEITEMCOMBO_H__9916BC6F_751F_4B15_996F_3C9F6334A259__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// PropTreeItemCombo.h : header file
//
//  Copyright (C) 1998-2001 Scott Ramsay
//      sramsay@gonavi.com
//      http://www.gonavi.com
//
//  This material is provided "as is", with absolutely no warranty expressed
//  or implied. Any use is at your own risk.
// 
//  Permission to use or copy this software for any purpose is hereby granted 
//  without fee, provided the above notices are retained on all copies.
//  Permission to modify the code and to distribute modified code is granted,
//  provided the above notices are retained, and a notice that the code was
//  modified is included with the above copyright notice.
// 
//      If you use this code, drop me an email.  I'd like to know if you find the code
//      useful.

#include "PropTreeItem.h"

// CPropTreeItemCombo window

class PROPTREE_API CPropTreeItemCombo : public CComboBox, public CPropTreeItem
{
// Construction
public:
        CPropTreeItemCombo();
        virtual ~CPropTreeItemCombo();

// Attributes
public:
        // The attribute area needs drawing
        virtual void DrawAttribute(CDC* pDC, const RECT& rc);

        // Retrieve the item's attribute value
        virtual LPARAM GetItemValue();

        // Set the item's attribute value
        virtual void SetItemValue(LPARAM lParam);

        // Called when attribute area has changed size
        virtual void OnMove();

        // Called when the item needs to refresh its data
        virtual void OnRefresh();

        // Called when the item needs to commit its changes
        virtual void OnCommit();

        // Called to activate the item
        virtual void OnActivate(int activateType, CPoint point);

        // Create your combo box with your specified styles
        BOOL CreateComboBox(DWORD dwStyle = WS_CHILD|WS_VSCROLL|CBS_SORT|CBS_DROPDOWNLIST);

        // Create combo box with TRUE/FALSE selections
        BOOL CreateComboBoxBool();

        // Set the height for the dropdown combo box
        void SetDropDownHeight(LONG nDropHeight);

        // Get the height of the dropdown combo box
        LONG GetDropDownHeight();

protected:
        LPARAM          m_lComboData;
        LONG            m_nDropHeight;

// Operations
protected:
        LONG FindCBData(LPARAM lParam);

// Overrides
        // ClassWizard generated virtual function overrides
        //{{AFX_VIRTUAL(CPropTreeItemCombo)
        //}}AFX_VIRTUAL

// Implementation
public:

        // Generated message map functions
protected:
        //{{AFX_MSG(CPropTreeItemCombo)
        afx_msg void OnSelchange();
        afx_msg void OnKillfocus();
        //}}AFX_MSG

        DECLARE_MESSAGE_MAP()
};


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

#endif // !defined(AFX_PROPTREEITEMCOMBO_H__9916BC6F_751F_4B15_996F_3C9F6334A259__INCLUDED_)