使用前，请将控件的Style属性设置为DropdownList（下拉列表），Owner Draw设置为Fixed，Has Strings设置为TRUE，效果图如下：

讯享网

头文件声明（CSWColorComboBox.h）：

#pragma once #include "afxwin.h" #include <afxcmn.h> class CSWColorComboBox : public CComboBox { DECLARE_DYNAMIC(CSWColorComboBox) #define MAX_COLOR_COUNT 16 #define MAX_COLOR_NAME 16 struct TColorProperty { COLORREF m_clrColor; char m_szName[MAX_COLOR_NAME]; TColorProperty() { memset(this, 0, sizeof(TColorProperty)); }; TColorProperty(COLORREF color, LPCTSTR lpszName) : TColorProperty() { m_clrColor = color; // 颜色值 strncpy_s(m_szName, lpszName, MAX_COLOR_NAME); // 颜色名称 }; }; public: CSWColorComboBox(); virtual ~CSWColorComboBox(); private: static TColorProperty s_clrPropertys[MAX_COLOR_COUNT]; // WEB标准颜色数组 private: void CommonConstruct(); // 初始化 protected: virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct); virtual void PreSubclassWindow(); protected: DECLARE_MESSAGE_MAP() public: // 获取选择色彩值 COLORREF GetSelColor(); // 选择色彩项 void SelectColor(COLORREF color); void SelectColor(LPCTSTR lpszName); // 删除色彩项 void DeleteColor(LPCTSTR lpszName); void DeleteColor(COLORREF color); // 添加色彩项 int AddColor(LPCTSTR lpszName, COLORREF color); };

源码实现（CSWColorComboBox.cpp）：

讯享网#include "stdafx.h" #include "CSWColorComboBox.h" // CSWColorComboBox IMPLEMENT_DYNAMIC(CSWColorComboBox, CComboBox) CSWColorComboBox::TColorProperty CSWColorComboBox::s_clrPropertys[MAX_COLOR_COUNT] = { TColorProperty(RGB(0x00, 0x00, 0x00), "黑色(Black)"), TColorProperty(RGB(0x80, 0x00, 0x00), "褐红色(Maroon)"), TColorProperty(RGB(0x00, 0x80, 0x00), "调和绿(Green)"), TColorProperty(RGB(0x80, 0x80, 0x00), "橄榄色(Olive)"), TColorProperty(RGB(0x00, 0x00, 0x80), "藏青色(Navy)"), TColorProperty(RGB(0x80, 0x00, 0x80), "紫色(Purple)"), TColorProperty(RGB(0x00, 0x80, 0x80), "鸭翅绿(Teal)"), TColorProperty(RGB(0x80, 0x80, 0x80), "灰色(Gray)"), TColorProperty(RGB(0xC0, 0xC0, 0xC0), "银色(Silver)"), TColorProperty(RGB(0xFF, 0x00, 0x00), "红色(Red)"), TColorProperty(RGB(0x00, 0xFF, 0x00), "绿色(Lime)"), TColorProperty(RGB(0xFF, 0xFF, 0x00), "黄色(Yellow)"), TColorProperty(RGB(0x00, 0x00, 0xFF), "蓝色(Blue)"), TColorProperty(RGB(0xFF, 0x00, 0xFF), "紫红色(Fushcia)"), TColorProperty(RGB(0x00, 0xFF, 0xFF), "青色(Aqua)"), TColorProperty(RGB(0xFF, 0xFF, 0xFF), "白色(White)"), }; CSWColorComboBox::CSWColorComboBox() { } CSWColorComboBox::~CSWColorComboBox() { } BEGIN_MESSAGE_MAP(CSWColorComboBox, CComboBox) ON_WM_CREATE() END_MESSAGE_MAP() void CSWColorComboBox::CommonConstruct(void) { for (int nIndex = 0; nIndex < MAX_COLOR_COUNT; nIndex++) { int nItem = AddString(s_clrPropertys[nIndex].m_szName); if (nItem == CB_ERRSPACE) break; else SetItemData(nItem, s_clrPropertys[nItem].m_clrColor); } } void CSWColorComboBox::DrawItem(LPDRAWITEMSTRUCT pDIStruct) { CDC dc; if (!dc.Attach(pDIStruct->hDC)) return; CString strName; CRect rItemRect(pDIStruct->rcItem); CRect rcFrame(rItemRect); CRect rcText(rcFrame); // 颜色边框画刷 CBrush brFrameBrush; brFrameBrush.CreateStockObject(BLACK_BRUSH); int nFrameWidth = 0; int nItem = pDIStruct->itemID; int nAction = pDIStruct->itemAction; int nState = pDIStruct->itemState; COLORREF clrColor = 0; COLORREF clrNormal = GetSysColor(COLOR_WINDOW); COLORREF clrSelected = GetSysColor(COLOR_HIGHLIGHT); COLORREF clrText = GetSysColor(COLOR_WINDOWTEXT); // 颜色框宽度 nFrameWidth = 40; if (nState & ODS_SELECTED) { dc.SetTextColor((0x00FFFFFF & ~(clrText))); dc.SetBkColor(clrSelected); dc.FillSolidRect(&rcFrame, clrSelected); } else { dc.SetTextColor(clrText); dc.SetBkColor(clrNormal); dc.FillSolidRect(&rcFrame, clrNormal); } if (nState & ODS_FOCUS) dc.DrawFocusRect(&rItemRect); rcFrame.left += 2; rcFrame.right = nFrameWidth; rcFrame.top += 2; rcText.left += (nFrameWidth + 2); rcText.DeflateRect(CSize(2, 2)); if (nItem != -1) { GetLBText(nItem, strName); if (nState & ODS_DISABLED) { clrColor = GetSysColor(COLOR_INACTIVECAPTIONTEXT); dc.SetTextColor(clrColor); } else { clrColor = GetItemData(nItem); } dc.SetBkMode(TRANSPARENT); dc.TextOut(rcText.left, rcText.top, strName); if (clrColor != RGB(0,0,1)) { dc.FillSolidRect(&rcFrame, clrColor); dc.FrameRect(&rcFrame, &brFrameBrush); } } dc.Detach(); } COLORREF CSWColorComboBox::GetSelColor() { int nSelIndex = GetCurSel(); if (nSelIndex == CB_ERR) return RGB(0, 0, 0); return GetItemData(nSelIndex); } void CSWColorComboBox::SelectColor(COLORREF color) { int nCount = GetCount(); for (int nIndex = 0; nIndex < nCount; nIndex++) { if (color == GetItemData(nIndex)) SetCurSel(nIndex); } } void CSWColorComboBox::SelectColor(LPCTSTR lpszName) { int nCount = GetCount(); CString sColorName; for (int nIndex = 0; nIndex < nCount; nIndex++) { GetLBText(nIndex, sColorName); if (!sColorName.CompareNoCase(lpszName)) SetCurSel(nIndex); } } void CSWColorComboBox::DeleteColor(LPCTSTR lpszName) { int nCount = GetCount(); CString strColorName; for (int nIndex = 0; nIndex < nCount; nIndex++) { GetLBText(nIndex, strColorName); if (!strColorName.CompareNoCase(lpszName)) { DeleteString(nIndex); break; } } } void CSWColorComboBox::DeleteColor(COLORREF color) { int nCount = GetCount(); for (int nIndex = 0; nIndex < nCount; nIndex++) { if (color == GetItemData(nIndex)) { DeleteString(nIndex); break; } } } int CSWColorComboBox::AddColor(LPCTSTR lpszName, COLORREF color) { int nIndex = InsertString(-1, lpszName); if (nIndex != CB_ERR) SetItemData(nIndex, color); return nIndex; } void CSWColorComboBox::PreSubclassWindow() { // TODO: 在此添加专用代码和/或调用基类 CComboBox::PreSubclassWindow(); CommonConstruct(); SetCurSel(0); }