UINT BCGM_CUSTOMIZETOOLBAR

The BCGM_CUSTOMIZETOOLBAR message is sent by CBCGPToolbarCustomize to notify the parent frame, that the customization dialog was created (start customization) or destroyed (end customization).

Parameters

wParam	TRUE if customization is started, FALSE if customization is finished.
lParam	this parameter is not used.

Returns

should return zero.

Process this message to take additional actions upon customization start and finish.