由於CStatic沒有現成的接口,要麼自己繼承CStatic然後重寫WM_CTLCOLOR的響應函數。要麼在父窗口重寫WM_CTLCOLOR的響應函數,然後調用相應的接口來改變文字顏色,原理如下:
“在繪製控件前,Windows向該控件的父窗口發送一條WM_CTLCOLOR消息,目的是獲得該控件的顏色”,在該響應函數中修改顏色的參數。
HBRUSH CAboutDig::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if (nCtlColor == CTLCOLOR_STATIC)
{
pDC->SetTextColor(RGB(0,0,255)); //設置字體顏色
pDC->SetBkMode(TRANSPARENT); //設置背景透明
}
}
第三個參數OnCtlColor主要有以下的值:CTLCOLOR_BTN 按鈕控件CTLCOLOR_DLG 對話框CTLCOLOR_EDIT 編輯框CTLCOLOR_LISTBOX 列表框CTLCOLOR_MSGBOX 消息框CTLCOLOR_SCROLLBAR 滾動條CTLCOLOR_STATIC 靜態文本2.你可能覺得對所有的控件使用統一的界面設置覺得不自由,其實VC同樣可以對特定的ID的控件進行設置,方法如下:
switch(pWnd->GetDlgCtrlID())
{
//針對ID爲IDC_CTL1、IDC_CTL2和IDC_CTL3的控件進行同樣的設置
case IDC_CTL1:
case IDC_CTL2:
case IDC_CTL3:
{
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextColor(RGB(255,255, 0));
pWnd->SetFont(cFont);
HBRUSH B = CreateSolidBrush(RGB(125,125,255));
return (HBRUSH) B;
}
default:
return CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
}
HBRUSH CAFamlyLianxiDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CPropertyPage::OnCtlColor(pDC, pWnd, nCtlColor);
if(nCtlColor == CTLCOLOR_STATIC)
{
switch(pWnd->GetDlgCtrlID())
{
case IDC_STATIC1:
case IDC_STATIC2:
case IDC_STATIC3:
case IDC_STATIC4:
case IDC_STATIC5:
case IDC_STATIC6:
{
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextColor(RGB(0,0, 255));
break;
}
case IDC_STATIC7:
case IDC_STATIC8:
{
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextColor(RGB(0,69, 214));
break;
}
default:
break;
}
}
return hbr;