在vc ++中遇到了一个不正确的参数 [英] Encountered an improper argument in vc++

问题描述

HTREEITEM htree = m_tree.GetSelectedItem（）;

BOOL保存，状态，原因，reasoncbo，reasoncmt;

int qp，pq;



if（htree）

{}

i当我从组合框中选择一些东西时，我将htree变为null

解决方案

从文档中：CTreeCtrl :: GetSelectedItem [ ^ ]，看起来你正在尝试检索 TreeCtrl （而不是 ComboBox ）的选定项目，此类操作失败。

HTREEITEM htree = m_tree.GetSelectedItem();
BOOL save, status, reason, reasoncbo, reasoncmt;
int qp,pq;

if (htree)
{}
i am getting htree as null when i select something from combobox

解决方案

From the documentation: "CTreeCtrl::GetSelectedItem"[^], it looks you are trying to retrieve the selected item of a TreeCtrl (instead of a ComboBox), and such operation is failing.

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