改变控件背景颜色OnCtlColor

1.参见msdn

 

CWnd::OnCtlColor

This method is called by the framework when a child control is about to be drawn. Most controls send this message to their parent, usually a dialog box, to prepare the pDC for drawing the control using the correct colors.

afx_msg HBRUSH OnCtlColor( CDC* pDC, CWnd* pWnd, UINT nCtlColor ); 

Parameters

pDC

Contains a pointer to the display context for the child window. May be temporary.

pWnd

Contains a pointer to the control asking for the color. May be temporary.

nCtlColor

Contains one of the following values, specifying the type of control:

• CTLCOLOR_BTN   Button control
• CTLCOLOR_DLG   Dialog box
• CTLCOLOR_EDIT   Edit control
• CTLCOLOR_LISTBOX   List-box control
• CTLCOLOR_MSGBOX   Message box
• CTLCOLOR_SCROLLBAR   Scroll-bar control
• CTLCOLOR_STATIC   Static control

switch (nCtlColor) { case CTLCOLOR_STATIC: //在此加入你想要改变背景色的控件消息{if (pWnd->GetDlgCtrlID()==IDC_STATIC_RED){pDC->SetTextColor(RGB(255,0,0));}if (pWnd->GetDlgCtrlID()==IDC_STATIC_GREEN){pDC->SetTextColor(RGB(0,255,0));}}default: //其他控件设置自己默认的颜色和背景刷.return hbr;

 

2.要通过case确保你选择的控件的类型，不能仅仅按照msdn上给出的例子，直接查找控件的ID，否则达不到预期的效果