That is, if you subsequently used a STM_SETIMAGE to change it the original ID would still be returned.įor an edit control, the text to be copied is the content of the edit control. However, it gives you the ID of the non-text static control as originally created. Note, for non-text static controls this gives you the text with which the control was originally created, that is, the ID number. The DefWindowProc function copies the text associated with the window into the specified buffer and returns the number of characters copied.

The return value is the number of characters copied, not including the terminating null character. The maximum number of characters to be copied, including the terminating null character.ĪNSI applications may have the string in the buffer reduced in size (to a minimum of half that of the wParam value) due to conversion from ANSI to Unicode.Ī pointer to the buffer that is to receive the text.

Copies the text that corresponds to a window into a buffer provided by the caller.

C++ getwindowtext