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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| -
| Header File
| commctrl.h
| Unicode
| WinNT
| Platform Notes
| None
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TOOLINFO
The TOOLINFO structure contains information about a tool in a tooltip control.
typedef struct { // ti
UINT cbSize;
UINT uFlags;
HWND hwnd;
UINT uId;
RECT rect;
HINSTANCE hinst;
LPTSTR lpszText;
} TOOLINFO, NEAR *PTOOLINFO, FAR *LPTOOLINFO;
Members
cbSize
Size, in bytes, of the TOOLINFO structure. This member must be specified.
uFlags
A set of bit flags. This member can be a combination of the following values:
Value
| Meaning
| TTF_IDISHWND
| Indicates that the uId member is the window handle to the tool. If this flag is not set, uId is the identifier of the tool.
| TTF_CENTERTIP
| Centers the tooltip window below the tool specified by the uId member.
| TTF_RTLREADING
| Displays text using right-to-left reading order on Hebrew or Arabic systems.
| TTF_SUBCLASS
| Indicates that the tooltip control should subclass the tool's window to
intercept messages, such as WM_MOUSEMOVE. If not set, you need to use the TTM_RELAYEVENT message to forward messages
to the tooltip control. For a list of messages that a tooltip control processes,
see TTM_RELAYEVENT.
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hwnd
Handle to the window that contains the tool. If lpszText includes the LPSTR_TEXTCALLBACK value, this member identifies the window that
receives TTN_NEEDTEXT notification messages.
uId
Application-defined identifier of the tool. If uFlags includes the TTF_IDISHWND value, uId must specify the window handle to the tool.
rect
Coordinates of the bounding rectangle of the tool. The coordinates are
relative to the upper-left corner of the client area of the window identified by hwnd. If uFlags includes the TTF_IDISHWND value, this member is ignored.
hinst
Handle to the instance that contains the string resource for the tool. If lpszText specifies the identifier of a string resource, this member is used.
lpszText
Pointer to the buffer that contains the text for the tool, or identifier of
the string resource that contains the text. If this member is set to the
LPSTR_TEXTCALLBACK value, the control sends the TTN_NEEDTEXT notification message to
the owner window to retrieve the text.
See Also
TTN_NEEDTEXT
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