本文整理汇总了C++中CListBox::GetDC方法的典型用法代码示例。如果您正苦于以下问题：C++ CListBox::GetDC方法的具体用法？C++ CListBox::GetDC怎么用？C++ CListBox::GetDC使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CListBox的用法示例。
在下文中一共展示了CListBox::GetDC方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SetHorizExtentListBox
/**************************************************************************************
Function Name : SetHorizExtentListBox
Input(s) : CListBox& omListBox
Output : void
Functionality : Sets the Listbox scroll to an extent so as to view the longest
string that is inserted.
Member of : CExploreMsgSg
Author(s) : Robin G.K.
Date Created : 27.10.2015
Requirement ID : RS_FLX_08_09_10
***************************************************************************************/
void CExploreMsgSg::SetHorizExtentListBox(CListBox& omListBox)
{
// Set horizontal extent of the list
// box to max string availaable
// so that user can scroll
CSize sz;
CString omStrText;
CDC* pDC = omListBox.GetDC();
if ( pDC != nullptr)
{
int nDx = 0;
for (int nCount = 0;
nCount < omListBox.GetCount();
nCount++)
{
omListBox.GetText( nCount, omStrText );
// remove space
omStrText.TrimRight();
sz = pDC->GetTextExtent(omStrText);
if (sz.cx > nDx)
{
nDx = sz.cx;
}
}
omListBox.ReleaseDC(pDC);
// Set the horizontal extent so every character of all
// strings can be scrolled to.
omListBox.SetHorizontalExtent(nDx);
}
}示例2: ShowInPlaceListBox
CListBox* CPlayerListCtrl::ShowInPlaceListBox(int nItem, int nCol, CAtlList<CString>& lstItems, int nSel)
{
CRect rect;
if (!PrepareInPlaceControl(nItem, nCol, rect)) {
return nullptr;
}
DWORD dwStyle = WS_BORDER | WS_CHILD | WS_VISIBLE | WS_VSCROLL/*|WS_HSCROLL*/ | LBS_NOTIFY;
CListBox* pListBox = DEBUG_NEW CInPlaceListBox(nItem, nCol, lstItems, nSel);
pListBox->Create(dwStyle, rect, this, IDC_LIST1);
CRect ir;
GetItemRect(m_nItemClicked, &ir, LVIR_BOUNDS);
pListBox->SetItemHeight(-1, ir.Height());
CDC* pDC = pListBox->GetDC();
CFont* pWndFont = GetFont();
pDC->SelectObject(pWndFont);
int width = GetColumnWidth(nCol);
POSITION pos = lstItems.GetHeadPosition();
while (pos) {
int w = pDC->GetTextExtent(lstItems.GetNext(pos)).cx + 16;
if (width < w) {
width = w;
}
}
ReleaseDC(pDC);
CRect r;
pListBox->GetWindowRect(r);
ScreenToClient(r);
r.top = ir.bottom;
r.bottom = r.top + pListBox->GetItemHeight(0) * (pListBox->GetCount() + 1);
r.right = r.left + width;
pListBox->MoveWindow(r);
m_fInPlaceDirty = false;
return pListBox;
}