Enables or disables the Toolbar callback function to be used by the user. Returns the last enable state value.
L_BOOL LToolbar::EnableToolbarCallBack (bEnable)
TRUE value enables the toolbar callback function. FALSE value disables the toolbar callback function.
|TRUE||The callback function was previously enabled.|
|FALSE||The callback function was previously disabled.|
The LToolbar::ToolbarCallBack function is called for each event that occurs in the toolbar.
To receive notification of toolbar events, you must derive a class from LToolbar and override the LToolbar::ToolbarCallBack function. In addition, the use of the callback function must be enabled by calling LToolbar::EnableToolbarCallBack.
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.
For an example, refer to LToolbar::ToolBarCallBack.
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms