However, if the target window is not responding and it belongs to the calling application, GetWindowText will cause the calling application to become unresponsive. It allows applications to call GetWindowText without becoming unresponsive if the process that owns the target window is not responding.
If the window does not have a caption, the return value is a null string. All rights reserved.If the target window is owned by another process and has a caption, GetWindowText retrieves the window caption text.
Send Feedback on this topic to the authors GetWindowTextLength | SetWindowText | WM_GETTEXT | Windows Functions If the target window is owned by another process and has a caption, GetWindowText retrieves the window caption text. If the target window is owned by the current process, GetWindowText causes a WM_GETTEXT message to be sent to the specified window or control. When working with RAPI for Windows CE 1.0 and 1.01, use the PegGetWindowText function. This function cannot retrieve the text of an edit control in another application. To get extended error information, call GetLastError. Zero indicates that the window has no title bar or text, if the title bar is empty, or if the window or control handle is invalid. The length, in characters, of the copied string, not including the terminating null character, indicates success. If the text exceeds this limit, it is truncated. Specifies the maximum number of characters to copy to the buffer, including the NULL character. Long pointer to the buffer that will receive the text. Handle to the window or control containing the text. intGetWindowText( HWNDhWnd, LPTSTRlpString, intnMaxCount ) A remote application interface (RAPI) version of this function exists, and it is called CeGetWindowText (RAPI). If the specified window is a control, the text of the control is copied. This function copies the text of the specified window's title bar - if it has one - into a buffer.
0 kommentar(er)
