采用 DrawThemeBackground API函数可以给ThemeButton加上图标，类似以前Delphi风格的按钮。代码及界面效果如下，不难，就不多解释了

 

 

 

LRESULT CSkinWnd::ButtonWindowProc(HWND hRealWnd, UINT msg, WPARAM wp, LPARAM lp)
{
	switch (msg) 
	{
	case WM_PAINT:
		{
			DWORD style = (UINT)GetWindowLong(hRealWnd, GWL_STYLE) & 0xff;
			if ( style != BS_PUSHBUTTON && style != BS_DEFPUSHBUTTON )
				return CSubclassWnd::WindowProc(hRealWnd, msg,wp, lp);

			CPaintDC dc(GetCWnd());
			CRect rc;
			CWnd* pWnd = CWnd::FromHandle(hRealWnd);
			pWnd->GetClientRect(rc);
			CDC xDC;
			xDC.CreateCompatibleDC(&dc);
			CBitmap xbmp;
			xbmp.CreateCompatibleBitmap(&dc, rc.Width(), rc.Height());
			xDC.SelectObject(&xbmp);

			int state = (int)::SendMessageW(hRealWnd, BM_GETSTATE, 0, 0);

			HTHEME hTheme=OpenThemeData(hRealWnd, L"Button");
			if(hTheme)
			{
				int drawState;
				if(::IsWindowEnabled(hRealWnd))
				{
					if(state & BST_PUSHED) 
						drawState = PBS_PRESSED;
					else if(state & BST_HOT) 
						drawState = PBS_HOT;
					else if(state & BST_FOCUS)
						drawState = PBS_DEFAULTED;
					else drawState = PBS_NORMAL;
				}
				else drawState = PBS_DISABLED;
				::DrawThemeParentBackground(hRealWnd, xDC.m_hDC, rc);
				DrawThemeBackground (hTheme,xDC.m_hDC, BP_PUSHBUTTON, drawState,&rc,NULL);
				CloseThemeData (hTheme);
			}
			else
			{
				int nState;
				if(!::IsWindowEnabled(hRealWnd))
					nState = DFCS_BUTTONPUSH|DFCS_INACTIVE;
				else if(state & BST_PUSHED)
					nState = DFCS_BUTTONPUSH|DFCS_PUSHED;
				else if (state & BST_HOT)
					nState = DFCS_BUTTONPUSH|DFCS_HOT;
				else
					nState = DFCS_BUTTONPUSH;

				::DrawFrameControl(xDC.m_hDC, rc, DFC_BUTTON, nState);
			}

			LONG l = ::GetWindowLong(hRealWnd, DWL_USER);

			UINT nID = ::GetDlgCtrlID(hRealWnd);
			int k  = 0, j = 0;
			if (IDOK == nID || IDYES == nID || IDCANCEL == nID || IDNO == nID)
			{

				CDC bDC;
				CBitmap bmpx;
				bmpx.LoadBitmapW((IDCANCEL == nID || IDNO == nID) ? IDB_CANCEL_ICO: IDB_OK_ICO);

				bDC.CreateCompatibleDC(&xDC);
				bDC.SelectObject(bmpx);
				BITMAP bm;
				bmpx.GetBitmap(&bm);
				int l = 4;
				int t = (rc.Height() - bm.bmHeight) / 2;
				::TransparentBlt(xDC.m_hDC, l, t, bm.bmWidth, bm.bmHeight, bDC.m_hDC, 0, 0,  bm.bmWidth, bm.bmHeight, RGB(255, 255, 255));
				k = l; j = bm.bmWidth;
			}

			if (::IsWindowEnabled(hRealWnd))
				::SetTextColor(xDC, RGB(255, 64, 64));
			else
				::SetTextColor(xDC, RGB(128, 128, 128));

			xDC.SetBkMode(TRANSPARENT);
			xDC.SelectObject(pWnd->GetFont());
			int old = rc.left;
			rc.left += k + j;
			wchar_t lpsz[256];
			::GetWindowText(hRealWnd, lpsz, 256);

			::DrawText(xDC.m_hDC,  lpsz, _tcslen(lpsz), rc, DT_CENTER | DT_VCENTER|DT_SINGLELINE);
			rc.left = old;
			::BitBlt(dc.m_hDC, rc.left, , rc.Width(), rc.Height(), xDC.m_hDC, rc.left, , SRCCOPY);
			return 0L;
		}
	}
	
	// We don't handle it: pass along
	return CSubclassWnd::WindowProc(hRealWnd, msg, wp, lp);
}