The TC_HITTESTINFO structure contains information about a hit test.
typedef struct _TC_HITTESTINFO { POINT pt; // position to hit test, in client coordinates UINT flags; // variable to receive hit test results } TC_HITTESTINFO;
Value |
Meaning |
TCHT_NOWHERE |
The position is not over a tab. |
TCHT_ONITEM |
The position is over a tab, but not over its icon or its text. For owner-drawn tab controls, this value is specified if the position is anywhere over a tab. |
TCHT_ONITEMICON |
The position is over a tab’s icon. |
TCHT_ONITEMLABEL |
The position is over a tab’s text. |
TCHT_ONITEM is a bitwise OR operation on TCHT_ONITEMICON and TCHT_ONITEMLABEL.
This structure is used with the TCM_HITTEST message.