为什么我的Win Api在使用后关闭整个程序

本文介绍了为什么我的Win Api在使用后关闭整个程序的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 所以，我有一个工作界面，用dll编译，从CAD系统调用。问题是我在对话框上单击OK或CANCEL后退出CAD系统。 这里是代码 so, i have a working interface, compiled in dll and which is called from a CAD system. the problem is after i click OK or CANCEL on the dialog box it just exit the CAD system.here is the code /* These include files are needed for the following template code. */#include <stdio.h> #include <uf.h>#include <uf_defs.h>#include <uf_exit.h>#include <uf_ui.h>#include <uf_styler.h>#include <uf_mb.h> #include <D:\litter\litter.h>HWND hdialog;HINSTANCE ghInstance;HWND edit;TCHAR FolderName[MAX_PATH];TCHAR c[MAX_PATH];BOOL t;void SetFont(HWND hwnd,LPTSTR FontName,int FontSize){HFONT hf;LOGFONT lf={0};HDC hdc=GetDC(hwnd);GetObject(GetWindowFont(hwnd),sizeof(lf),&lf);lf.lfWeight = FW_REGULAR;lf.lfHeight = (LONG)FontSize;lstrcpy( lf.lfFaceName, FontName );hf=CreateFontIndirect(&lf);SetBkMode(hdc,OPAQUE);SendMessage(hwnd,WM_SETFONT,(WPARAM)hf,TRUE);ReleaseDC(hwnd,hdc); }int __stdcall BrowseCallbackProc(HWND hwnd,UINT uMsg,LPARAM lParam,LPARAM lpData){if(uMsg==BFFM_INITIALIZED){RECT ListViewRect,Dialog;edit=CreateWindowEx(0,"EDIT","",WS_CHILD|WS_VISIBLE|WS_BORDER|ES_AUTOHSCROLL,0,100,100,50,hwnd,0,ghInstance,NULL);HWND caption=CreateWindowEx(0,"STATIC","You have selected the folder :",WS_CHILD|WS_VISIBLE|WS_CLIPCHILDREN,0,100,100,50,hwnd,0,ghInstance,NULL);HWND ListView=FindWindowEx(hwnd,NULL,"SysTreeView32",NULL);GetWindowRect(hwnd,&Dialog);GetWindowRect(ListView,&ListViewRect);SetWindowPos(ListView,0,(ListViewRect.left-Dialog.left) ,(ListViewRect.top-Dialog.top )-20,290,170,0);SetWindowPos(edit,HWND_BOTTOM,(ListViewRect.left-Dialog.left),(ListViewRect.top-Dialog.top )+170,290,18,SWP_SHOWWINDOW);SetWindowPos(caption,HWND_BOTTOM,(ListViewRect.left-Dialog.left),(ListViewRect.top-Dialog.top )+155,290,14,SWP_SHOWWINDOW); SetFont(caption,"MS Sans Serif",12);SetFont(edit,"MS Sans Serif",12);}if (uMsg==BFFM_SELCHANGED){t = SHGetPathFromIDList((ITEMIDLIST*)lParam, c); SetWindowText(edit,c); }return 0;}BOOL CALLBACK MainDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam){if(message==WM_QUIT||message==WM_CLOSE)PostQuitMessage(0);if(message==WM_INITDIALOG){hdialog=hDlg;RECT rc;GetWindowRect(hDlg,&rc); int w=rc.right-rc.left, h=rc.bottom-rc.top;int cx=GetSystemMetrics(SM_CXSCREEN)/2, cy=GetSystemMetrics(SM_CYSCREEN)/2;MoveWindow(hDlg,cx-w/2,cy-h/2,w,h,FALSE);SendMessage(hDlg, WM_COMMAND, IDOK, 0); }if(message==WM_COMMAND){if((LOWORD(wParam))==IDOK){TCHAR dname[MAX_PATH];IMalloc *imalloc; SHGetMalloc(&imalloc);BROWSEINFO bi; ZeroMemory(&bi,sizeof(bi)); bi.hwndOwner=hDlg;bi.pszDisplayName=dname;bi.lpszTitle = TEXT("Choose Directory"); #define BIF_NONEWFOLDERBUTTON 0x0200 bi.ulFlags = BIF_NONEWFOLDERBUTTON|BIF_RETURNONLYFSDIRS;bi.lpfn = BrowseCallbackProc;ITEMIDLIST *pidl = SHBrowseForFolder(&bi); if (pidl!=NULL)MessageBox(hDlg,c,"Selected Folder",0);SendMessage(hDlg, WM_COMMAND, IDCANCEL, 0);imalloc->Free(pidl);imalloc->Release();}if((LOWORD(wParam))==IDCANCEL){PostQuitMessage(0);EndDialog(hDlg,0);}}return 0;} 推荐答案 这篇关于为什么我的Win Api在使用后关闭整个程序的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！