// The pointer to my tree control. extern CTreeCtrl* pmyTreeCtrl;UINT i, uCount = pmyTreeCtrl->GetVisibleCount(); HTREEITEM hItem = pmyTreeCtrl->GetFirstVisibleItem();// Toggle the check state of all the visible items. for (i=0;i < uCount;i++) { ASSERT(hItem != NULL); pmyTreeCtrl->SetCheck(hItem, !pmyTreeCtrl->GetCheck(hItem)); hItem = pmyTreeCtrl->GetNextVisibleItem(hItem); }
//放在SetImageList 后:
m_Tree.SetCheck(hti,TRUE);
extern CTreeCtrl* pmyTreeCtrl;UINT i, uCount = pmyTreeCtrl->GetVisibleCount();
HTREEITEM hItem = pmyTreeCtrl->GetFirstVisibleItem();// Toggle the check state of all the visible items.
for (i=0;i < uCount;i++)
{
ASSERT(hItem != NULL);
pmyTreeCtrl->SetCheck(hItem, !pmyTreeCtrl->GetCheck(hItem));
hItem = pmyTreeCtrl->GetNextVisibleItem(hItem);
}
如表示文件类型的图?
tree还没初始化完。
你可以在初始化中打开timer。
在OnTimer中先Kill、timer,把按钮中的代码复制到timer中。