problem with CTreeCtrl.
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Hi. I have a problem with using CTreeCtrl. How Can I Get Expanded item in "OnExpanding(...)" event, when user click on '+' and no any item selected. :rose: Iman Ghasr-e-fakhri
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Hi. I have a problem with using CTreeCtrl. How Can I Get Expanded item in "OnExpanding(...)" event, when user click on '+' and no any item selected. :rose: Iman Ghasr-e-fakhri
TVN_ITEMEXPANDING
Notifies a tree-view control's parent window that a parent item's list of child items is about to expand or collapse. This notification message is sent in the form of a WM_NOTIFY message.
TVN_ITEMEXPANDING pnmtv = (LPNMTREEVIEW) lParamParameters
pnmtv
Address of an NMTREEVIEW structure. The itemNew member is a TVITEM structure that contains valid information about the parent item in the hItem, state, and lParam members. The action member indicates whether the list is to expand or collapse. For a list of possible values, see the description of the TVM_EXPAND message.
Return Values
Returns TRUE to prevent the list from expanding or collapsing.
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