CWnd::OnCtlColor

 

CWnd::OnCtlColor 

Visual Studio 2005

Other Versions

 

• Visual Studio 2010
• Visual Studio 2008
• Visual Studio .NET 2003

The framework calls this member function when a child control is about to be drawn.//子空間繪製時調用該函數

Copy

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

---

OnCtlColor must return a handle to the brush that is to be used for painting the control background.