TB_INDETERMINATE message

Sets or clears the indeterminate state of the specified button in a toolbar.

Parameters

wParam

Command identifier of the button whose indeterminate state is to be set or cleared.

lParam

The LOWORD is a BOOL that indicates whether to set or clear the indeterminate state. If TRUE, the indeterminate state is set. If FALSE, the state is cleared.

The HIWORD must be zero.

Return value

Returns TRUE if successful, or FALSE otherwise.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Header	Commctrl.h