复选框的下拉列表

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1、用自定义的CCheckComboBox类做带复选框的下拉列表1、添加ComboBox控件2.、改属性Style：DropList  ； OwnerDraw：Fixed； Hasstring：true；Sort：false3、头文件中添加：     CCheckComboBoxm_comboBox;4、DoDataExchange(CDataExchange*pDX)中添加：    DDX_Control(pDX,IDC_COMBO1,m_comboBox);5、对话框初始化时添加   m_comboBox.AddStri

2、ng(_T("1"));//加入项目   m_comboBox.AddString(_T("2"));   m_comboBox.AddString(_T("3"));   m_comboBox.AddString(_T("4"));   m_comboBox.SetCheck(0,TRUE);//设置选择状态   m_comboBox.SetCheck(1,FALSE);   m_comboBox.SetCheck(2,TRUE);   m_comboBox.SetCheck(3,TRUE);    #if!defin

3、ed(AFX_CHECKCOMBOBOX_H__66750D93_95DB_11D3_9325_444553540000__INCLUDED_)#defineAFX_CHECKCOMBOBOX_H__66750D93_95DB_11D3_9325_444553540000__INCLUDED_#if_MSC_VER>1000#pragmaonce#endif//_MSC_VER>1000classCCheckComboBox:publicCComboBox{public:CCheckComboBox();virtual~

4、CCheckComboBox();BOOLCreate(DWORDdwStyle,constRECT&rect,CWnd*pParentWnd,UINTnID);//Selectsall/unselectsthespecifieditemINTSetCheck(INTnIndex,BOOLbFlag);//ReturnscheckedstateBOOLGetCheck(INTnIndex);//Selectsall/unselectsallvoidSelectAll(BOOLbCheck=TRUE);protected:

5、//ClassWizardgeneratedvirtualfunctionoverrides//{{AFX_VIRTUAL(CCheckComboBox)protected:virtualvoidDrawItem(LPDRAWITEMSTRUCTlpDrawItemStruct);virtualvoidMeasureItem(LPMEASUREITEMSTRUCTlpMeasureItemStruct);//}}AFX_VIRTUAL//{{AFX_MSG(CCheckComboBox)afx_msgLRESULTOnC

6、tlColorListBox(WPARAMwParam,LPARAMlParam);afx_msgLRESULTOnGetText(WPARAMwParam,LPARAMlParam);afx_msgLRESULTOnGetTextLength(WPARAMwParam,LPARAMlParam);afx_msgvoidOnDropDown();//}}AFX_MSGDECLARE_MESSAGE_MAP()public:  CStringm_strText;protected://Routinetoupdatethet

7、extvoidRecalcText();//ThesubclassedCOMBOLBOXwindow(noticethe'L')HWNDm_hListBox;//ThestringcontainingthetexttodisplayBOOLm_bTextUpdated;//AflagusedinMeasureItem,seecommentsthereBOOLm_bItemHeightSet;};////////////////////////////////////////////////////////////////

8、///////////////{{AFX_INSERT_LOCATION}}//MicrosoftVisualC++willinsertadditionaldeclarationsimmediatelybeforethepreviousline.#endif//!defined(AFX_CHECKCOMBOBOX_H