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MFC 原生LsitCtrl单元格嵌入图标

news 2025/8/11 14:58:53


// ListItemInsertIconDlg.h: 头文件
//#pragma once// CListItemInsertIconDlg 对话框
class CListItemInsertIconDlg : public CDialogEx
{
// 构造
public:CListItemInsertIconDlg(CWnd* pParent = nullptr);	// 标准构造函数// 对话框数据
#ifdef AFX_DESIGN_TIMEenum { IDD = IDD_LISTITEMINSERTICON_DIALOG };
#endifprotected:virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV 支持// 实现
protected:HICON m_hIcon;// 生成的消息映射函数virtual BOOL OnInitDialog();afx_msg void OnPaint();afx_msg HCURSOR OnQueryDragIcon();DECLARE_MESSAGE_MAP()
public:CListCtrl		m_list;CImageList		m_iconList;void InitListCtrl();afx_msg void OnBnClickedButtonUpdate();
};


// ListItemInsertIconDlg.cpp: 实现文件
//#include "pch.h"
#include "framework.h"
#include "ListItemInsertIcon.h"
#include "ListItemInsertIconDlg.h"
#include "afxdialogex.h"#ifdef _DEBUG
#define new DEBUG_NEW
#endif// CListItemInsertIconDlg 对话框CListItemInsertIconDlg::CListItemInsertIconDlg(CWnd* pParent /*=nullptr*/): CDialogEx(IDD_LISTITEMINSERTICON_DIALOG, pParent)
{m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}void CListItemInsertIconDlg::DoDataExchange(CDataExchange* pDX)
{CDialogEx::DoDataExchange(pDX);DDX_Control(pDX, IDC_LIST1, m_list);
}BEGIN_MESSAGE_MAP(CListItemInsertIconDlg, CDialogEx)ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_BUTTON_UPDATE, &CListItemInsertIconDlg::OnBnClickedButtonUpdate)
END_MESSAGE_MAP()// CListItemInsertIconDlg 消息处理程序void CListItemInsertIconDlg::OnPaint()
{if (IsIconic()){CPaintDC dc(this); // 用于绘制的设备上下文SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);// 使图标在工作区矩形中居中int cxIcon = GetSystemMetrics(SM_CXICON);int cyIcon = GetSystemMetrics(SM_CYICON);CRect rect;GetClientRect(&rect);int x = (rect.Width() - cxIcon + 1) / 2;int y = (rect.Height() - cyIcon + 1) / 2;// 绘制图标dc.DrawIcon(x, y, m_hIcon);}else{CDialogEx::OnPaint();}
}HCURSOR CListItemInsertIconDlg::OnQueryDragIcon()
{return static_cast<HCURSOR>(m_hIcon);
}BOOL CListItemInsertIconDlg::OnInitDialog()
{CDialogEx::OnInitDialog();SetIcon(m_hIcon, TRUE);			// 设置大图标SetIcon(m_hIcon, FALSE);		// 设置小图标// TODO: 在此添加额外的初始化代码m_iconList.Create(32, 32, 1, 10, 4);int icon_id = 0;icon_id = m_iconList.Add(AfxGetApp()->LoadIcon(IDI_ICON1));icon_id = m_iconList.Add(AfxGetApp()->LoadIcon(IDI_ICON2));icon_id = m_iconList.Add(AfxGetApp()->LoadIcon(IDI_ICON3));m_list.SetImageList(&m_iconList, LVSIL_SMALL);InitListCtrl();return TRUE;
}void CListItemInsertIconDlg::InitListCtrl()
{m_list.DeleteAllItems();while (m_list.DeleteColumn(0));m_list.SetExtendedStyle(LVS_EX_GRIDLINES | LVS_EX_FULLROWSELECT | LVS_EDITLABELS | LVS_EX_SUBITEMIMAGES); //一定要设置LVS_EX_SUBITEMIMAGESm_list.InsertColumn(0, "NAME");m_list.InsertColumn(1, "NAME2");m_list.InsertColumn(2, "NAME3");m_list.SetColumnWidth(0, 200);m_list.SetColumnWidth(1, 200);m_list.SetColumnWidth(2, 200);for (int i = 0; i < 5; i++){//LV_ITEM lvitem;//memset((char*)&lvitem, '\0', sizeof(LV_ITEM));//lvitem.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;//lvitem.iItem = i;					//第n行//lvitem.iSubItem = 0;				//第x列//lvitem.stateMask = 0;//lvitem.iImage = 0;					//显示不同的图标时，可以把一个int 变量赋给这个属性值//lvitem.pszText = "1";//m_list.InsertItem(&lvitem);m_list.InsertItem(i, "1", 1);}//for (int i = 0; i < 5; i++)//{//	LV_ITEM lvitem;//	memset((char*)&lvitem, '\0', sizeof(LV_ITEM));//	lvitem.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;//	lvitem.iItem = i;					//第n行//	lvitem.iSubItem = 1;				//第x列//	lvitem.stateMask = 0;//	lvitem.iImage = 1;					//显示不同的图标时，可以把一个int 变量赋给这个属性值//	lvitem.pszText = "2";//	m_list.SetItem(&lvitem);//}//for (int i = 0; i < 5; i++)//{//	LV_ITEM lvitem;//	memset((char*)&lvitem, '\0', sizeof(LV_ITEM));//	lvitem.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;//	lvitem.iItem = i;					//第n行//	lvitem.iSubItem = 2;				//第x列//	lvitem.stateMask = 0;//	lvitem.iImage = 2;					//显示不同的图标时，可以把一个int 变量赋给这个属性值//	lvitem.pszText = "3";//	m_list.SetItem(&lvitem);//}
}void CListItemInsertIconDlg::OnBnClickedButtonUpdate()
{InitListCtrl();
}工程示例