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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

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