//重载消息WM_CTRLCOLORCWnd::OnCtlColor afx_msg HBRUSH OnCtlColor( CDC* pDC, CWnd* pWnd, UINT nCtlColor );pDCContains a pointer to the display context for the child window. May be temporary.pWndContains a pointer to the control asking for the color. May be temporary.nCtlColorContains 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 Example// This OnCtlColor handler will change the color of a static control // with the ID of IDC_MYSTATIC. The code assumes that the CMyDialog // class has an initialized and created CBrush member named m_brush. // The control will be painted with red text and a background // color of m_brush.HBRUSH CZilchDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) { // Call the base class implementation first! Otherwise, it may // undo what we're trying to accomplish here. HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); // Are we painting the IDC_MYSTATIC control? We can use // CWnd::GetDlgCtrlID() to perform the most efficient test. if (pWnd->GetDlgCtrlID() == IDC_MYSTATIC) { // Set the text color to red pDC->SetTextColor(RGB(255, 0, 0)); // Set the background mode for text to transparent // so background will show thru. pDC->SetBkMode(TRANSPARENT); // Return handle to our CBrush object hbr = m_brush; } return hbr; }
CButtonST是什么啊
afx_msg HBRUSH OnCtlColor( CDC* pDC, CWnd* pWnd, UINT nCtlColor );pDCContains a pointer to the display context for the child window. May be temporary.pWndContains a pointer to the control asking for the color. May be temporary.nCtlColorContains 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
Example// This OnCtlColor handler will change the color of a static control
// with the ID of IDC_MYSTATIC. The code assumes that the CMyDialog
// class has an initialized and created CBrush member named m_brush.
// The control will be painted with red text and a background
// color of m_brush.HBRUSH CZilchDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
// Call the base class implementation first! Otherwise, it may
// undo what we're trying to accomplish here.
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); // Are we painting the IDC_MYSTATIC control? We can use
// CWnd::GetDlgCtrlID() to perform the most efficient test.
if (pWnd->GetDlgCtrlID() == IDC_MYSTATIC)
{
// Set the text color to red
pDC->SetTextColor(RGB(255, 0, 0)); // Set the background mode for text to transparent
// so background will show thru.
pDC->SetBkMode(TRANSPARENT); // Return handle to our CBrush object
hbr = m_brush;
} return hbr;
}
CBrush m_Brush;在OnInitDialog() 中初始化它:
m_Brush.CreateSolidBrush(RGB(255, 255, 255));2。
HBRUSH CMyDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if (nCtlColor==CTLCOLOR_BTN)
{
pDC->SetBkColor(RGB(255,05,0));
return m_Brush;
}
}
m_myButton.SetIcon(AfxGetApp()->LoadIcon(IDI_MYCOLOR));