Question

vc中如何改变对话框控件的颜色

Answer 1

pDC->SetTextColor(RGB(255, 0, 0));}// TODO: 在此更改 DC 的任何特性 // TODO: 如果默认的不是所需画笔，则返回另一个画笔 return hbr; } 但是按钮控件是个例外,要想改变按钮控件的颜色或者是字体颜色,需要自己从CButton派生出自己的BUTTON类,然后再这个派生类中重写DrawItem函数,最后在对话框中按钮控件关联派生类对象,具体代码如下,这里是把对话框背景设为绿色,文字设为红色 void CCMDaButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { // TODO: 添加您的代码以绘制指定项 UINT uStyle = BS_DEFPUSHBUTTON ;//DFCS_BUTTONPUSH; // This code only works with buttons. ASSERT(lpDrawItemStruct->CtlType == ODT_BUTTON); // If drawing selected, add the pushed style to DrawFrameControl. if (lpDrawItemStruct->itemState & ODS_SELECTED) uStyle |= DFCS_PUSHED; // Draw the button frame. ::DrawFrameControl(lpDrawItemStruct->hDC, &lpDrawItemStruct->rcItem, DFC_BUTTON, uStyle); CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC); // Get the button's text. CString strText; GetWindowText(strText); // Draw the button text using the text color red. CBrush B;CRect rect; CRect focusRect; focusRect.CopyRect(&lpDrawItemStruct->rcItem); DrawFocusRect(lpDrawItemStruct->hDC, (LPRECT)&focusRect); focusRect.left += 4; focusRect.right -= 4; focusRect.top += 4; focusRect.bottom -= 4; rect.CopyRect(&lpDrawItemStruct->rcItem); pDC->Draw3dRect(rect, ::GetSysColor(COLOR_BTNSHADOW), ::GetSysColor(COLOR_BTNHILIGHT)); //画刷为绿色 B.CreateSolidBrush(RGB(0,255,0)); ::FillRect(lpDrawItemStruct->hDC,&rect, (HBRUSH)B.m_hObject); ::SetBkMode(lpDrawItemStruct->hDC,TRANSPARENT); //文本为红色