GUITHREADINFO structure (winuser.h)

Contains information about a GUI thread.

Syntax

typedef struct tagGUITHREADINFO {
  DWORD cbSize;
  DWORD flags;
  HWND  hwndActive;
  HWND  hwndFocus;
  HWND  hwndCapture;
  HWND  hwndMenuOwner;
  HWND  hwndMoveSize;
  HWND  hwndCaret;
  RECT  rcCaret;
} GUITHREADINFO, *PGUITHREADINFO, *LPGUITHREADINFO;

Members

cbSize

Type: DWORD

The size of this structure, in bytes. The caller must set this member to sizeof(GUITHREADINFO).

flags

Type: DWORD

The thread state. This member can be one or more of the following values.

Value	Meaning
GUI_CARETBLINKING 0x00000001	The caret's blink state. This bit is set if the caret is visible.
GUI_INMENUMODE 0x00000004	The thread's menu state. This bit is set if the thread is in menu mode.
GUI_INMOVESIZE 0x00000002	The thread's move state. This bit is set if the thread is in a move or size loop.
GUI_POPUPMENUMODE 0x00000010	The thread's pop-up menu state. This bit is set if the thread has an active pop-up menu.
GUI_SYSTEMMENUMODE 0x00000008	The thread's system menu state. This bit is set if the thread is in a system menu mode.

hwndActive

Type: HWND

A handle to the active window within the thread.

hwndFocus

Type: HWND

A handle to the window that has the keyboard focus.

hwndCapture

Type: HWND

A handle to the window that has captured the mouse.

hwndMenuOwner

Type: HWND

A handle to the window that owns any active menus.

hwndMoveSize

Type: HWND

A handle to the window in a move or size loop.

hwndCaret

Type: HWND

A handle to the window that is displaying the caret.

rcCaret

Type: RECT

The caret's bounding rectangle, in client coordinates, relative to the window specified by the hwndCaret member.

Remarks

This structure is used with the GetGUIThreadInfo function to retrieve information about the active window or a specified GUI thread.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	winuser.h (include Windows.h)
Redistributable	Service Pack 3

See also

Conceptual

GetGUIThreadInfo

Reference

Windows