TB_GETBUTTONTEXT  Y1GCP5 

The TB_GETBUTTONTEXT message retrieves the text of a button in a toolbar.

TB_GETBUTTONTEXT

wParam = (WPARAM) idButton;

lParam = (LPARAM) (LPSTR) lpszText;

Parameters

idButton

Command identifier of the button whose text is to be retrieved.

lpszText

Pointer to a buffer that receives the button text.

Return Values

Returns the length, in characters, of the string copied to the specified buffer if successful. The length does not include the terminating null character. Otherwise, the return value is  - 1.