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GetWindowText info  Overview  Group

The GetWindowText function copies the text of the specified window’s title bar (if it has one) into a buffer. If the specified window is a control, the text of the control is copied.

int GetWindowText(

    HWND hWnd,

// handle of window or control with text

    LPTSTR lpString,

// address of buffer for text

    int nMaxCount 

// maximum number of characters to copy

     );

Parameters

hWnd
Identifies the window or control containing the text.
lpString
Points to the buffer that will receive the text.
nMaxCount
Specifies the maximum number of characters to copy to the buffer, including the NULL character. If the text exceeds this limit, it is truncated.

Return Values

If the function succeeds, the return value is the length, in characters, of the copied string, not including the terminating null character. If the window has no title bar or text, if the title bar is empty, or if the window or control handle is invalid, the return value is zero. To get extended error information, call GetLastError.

This function cannot retrieve the text of an edit control in another application.

Remarks

This function causes a WM_GETTEXT message to be sent to the specified window or control.

This function cannot retrieve the text of an edit control in another application.

See Also

GetWindowTextLength, SetWindowText, WM_GETTEXT 

See also:


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