BCGControlBar Pro for MFC
void CBCGPUserToolsManager::SetDefExt ( const CString &  strDefExt)
inline

Sets a default file extension in the open file dialog box.

Call this function to specify a default file extension in the open file dialog, which is displayed when the user selects a command (executable) to be associated with the user tool.

Parameters
strDefExtA text string containing the default file extension.