易语言取外部树型框节点文本源码

取外部树型框节点文本系统结构:TreeView_GetSelection,TreeView_GetNextItem,GetTVItemText,TreeView_GetItem,SendMessage,SendMessageTV,======程序集1||||------TreeView_GetSelection||||------TreeView_GetNextItem||||======窗口程序集1||||------_按钮1_被单击||||------_按钮2_被单击||||------GetTVItemText||||------TreeView_GetItem||||------__启动窗口_创建完毕||||------_编辑框1_内容被改变||||======调用的Dll||||---[dll]------SendMessage||||---[dll]------SendMessageTV 调用的DLL命令:.DLL命令SendMessage,整数型,,"SendMessageA",,SendMessageA.参数hWnd,整数型.参数wMsg,整数型.参数wParam,整数型.参数lParam,整数型.DLL命令SendMessageTV,整数型,,"SendMessageA",,SendMessageA.参数hWnd,整数型.参数wMsg,整数型.参数wParam,整数型.参数lParam,TVITEM