#include "StdAfx.h"
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#include "PropertyGridDirectoryPicker.h"
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// mch
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//#define BIF_NEWDIALOGSTYLE 0x0040
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CString CPropertyGridDirectoryPicker::m_strTitle = _T("Choose a directory");
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CPropertyGridDirectoryPicker::CPropertyGridDirectoryPicker()
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{
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}
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CPropertyGridDirectoryPicker::~CPropertyGridDirectoryPicker()
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{
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}
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int CALLBACK CPropertyGridDirectoryPicker::BrowseCallbackProc(HWND hwnd,UINT uMsg,LPARAM lp, LPARAM pData)
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{
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switch(uMsg)
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{
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// If the dialog is being initialised
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case BFFM_INITIALIZED:
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{
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// Send a SetSelection message on the passed directory
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SendMessage(hwnd,BFFM_SETSELECTION,TRUE,pData);
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break;
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}
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}
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return 0;
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}
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bool CPropertyGridDirectoryPicker::PickDirectory(CString &directory, HWND hwnd)
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{
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TCHAR pszBuffer[MAX_PATH];
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pszBuffer[0] = '\0';
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// Gets the Shell's default allocator
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LPMALLOC pMalloc;
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if (::SHGetMalloc(&pMalloc) == NOERROR)
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{
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BROWSEINFO bi;
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LPITEMIDLIST pidl;
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// Get help on BROWSEINFO struct
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bi.hwndOwner = hwnd;
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bi.pidlRoot = NULL;
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bi.pszDisplayName = pszBuffer;
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bi.lpszTitle = m_strTitle;
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bi.ulFlags = BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS | BIF_NEWDIALOGSTYLE ;
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// The callback function initialises the dialog with the passed value
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bi.lpfn = BrowseCallbackProc;
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bi.lParam = LPARAM(&directory);
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// This next call issues the dialog box.
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if ((pidl = ::SHBrowseForFolder(&bi)) != NULL)
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{
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// Get the full path into pszBuffer
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::SHGetPathFromIDList(pidl, pszBuffer);
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// Free the PIDL allocated by SHBrowseForFolder.
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pMalloc->Free(pidl);
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}
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// Release the shell's allocator.
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pMalloc->Release();
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}
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// get the result
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if (_tcslen(pszBuffer) != 0)
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{
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directory = pszBuffer;
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return TRUE;
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}
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return FALSE;
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}
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