in tree it acomdates only 260 characters i want to show 300 character pls tell how to do?

What code do you have?

i am having a code in vc++,

csText=_T(" : New name");
    _tcsncat(szText,csText,18);
   m_treeCtrl.InsertItem(szText,hroot1,TVI_LAST);
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