C++ 如何将 CListCtrl 中的项目设置为选中状态？
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How to set an item in CListCtrl as selected?
提问by DarshanG
ClistCtrl is set to single selection & single column in report view with no header.
ClistCtrl 在没有标题的报告视图中设置为单选和单列。
I have tried SetItemState(0,LVIS_SELECTED,LVIF_STATE)andSetSelectionMark(int index)but these don't work.
我试过了SetItemState(0,LVIS_SELECTED,LVIF_STATE)，SetSelectionMark(int index)但这些都不起作用。
回答by EdM
you also need to call SetSelectionMark after updating the item states.
您还需要在更新项目状态后调用 SetSelectionMark。
SetItemState(prev_item, ~LVIS_SELECTED, LVIS_SELECTED);
SetItemState(new_selected_item, LVIS_SELECTED, LVIS_SELECTED);
SetSelectionMark(new_selected_item);
回答by Nuri Crayton
Use SetItemState(0, LVIS_SELECTED, LVIS_SELECTED) to highlight, and SetItemState(0, ~LVIS_SELECTED, LVIS_SELECTED) to unhighlight.
使用 SetItemState(0, LVIS_SELECTED, LVIS_SELECTED) 突出显示，使用 SetItemState(0, ~LVIS_SELECTED, LVIS_SELECTED) 取消突出显示。
回答by timyau
Just Set Properties->Appearance->Always Show Selectionto TRUE
只需设置Properties->Appearance->Always Show Selectionto TRUE
回答by sergiol
I think there is an undocumented feature of the SetItemStatefunction where you can pass -1as its nItemargument to make the function act on allitems.
我认为该SetItemState函数有一个未记录的功能，您可以将-1其作为nItem参数传递，以使该函数作用于所有项目。
So, if you only want to select only one, I can suggest:
所以，如果你只想选择一个，我可以建议：
SetItemState(-1, 0, LVIS_SELECTED);
SetItemState(index, LVIS_SELECTED, LVIS_SELECTED);
UPDATE:
更新：
(after seeing http://www.verycomputer.com/417_11fcb075491b88c9_1.htm#p3)
（看到http://www.verycomputer.com/417_11fcb075491b88c9_1.htm#p3 后）
The SetItemStatefunction sends the LVM_SETITEMSTATEmessage, and the nItem=-1 feature is documented on the message's reference documentationas its wParamargument.
该SetItemState函数发送LVM_SETITEMSTATE消息，并且 nItem=-1 特性作为其参数记录在消息的参考文档中wParam。
回答by user9322513
If you wont set selected item in OnInitialDialog you mast use this code:
如果您不会在 OnInitialDialog 中设置所选项目，则必须使用以下代码：
m_pSPSMapList->EnsureVisible(nItem, FALSE);
m_pSPSMapList->SetFocus();
m_pSPSMapList->SetItemState(nItem, LVIS_FOCUSED | LVIS_SELECTED,
LVIS_FOCUSED | LVIS_SELECTED);
return FALSE; // OnInitialDialog necessarily must return false
