///<summary>Shows the common folder dialog.</summary>
///<param name="hWndOwner">The owner of the folder dialog.</param>
///<returns>True when successful, false otherwise.</returns>
protected bool RunDialog(IntPtr hWndOwner)
{
BROWSEINFO udtBI = new BROWSEINFO();
IntPtr lpIDList;
udtBI.pIDLRoot = IntPtr.Zero;
udtBI.lpfnCallback = IntPtr.Zero;
// set the owner of the window
udtBI.hWndOwner = hWndOwner;
// set the title of the window
udtBI.lpszTitle = Title;
// set the flags of the dialog
udtBI.ulFlags = (int)BrowseFor;
// create string buffer for display name
StringBuilder buffer = new StringBuilder(MAX_PATH);
buffer.Length = MAX_PATH;
udtBI.pszDisplayName = buffer.ToString();
// show the 'Browse for folder' dialog
lpIDList = SHBrowseForFolder(ref udtBI);
// examine the result
if (!lpIDList.Equals(IntPtr.Zero))
{
if (BrowseFor == BrowseForTypes.Computers)
{
m_Selected = udtBI.pszDisplayName.Trim();
}
else
{
StringBuilder path = new StringBuilder(MAX_PATH);
// get the path from the IDList
SHGetPathFromIDList(lpIDList, path);
m_Selected = path.ToString();
}
// free the block of memory
CoTaskMemFree(lpIDList);
return(true);
}
else
{
// user pressed cancel
return(false);
}
}
private static extern IntPtr SHBrowseForFolder(ref BROWSEINFO lpbi);