SDK中如何提取EDIT控件中的内容？

[zxm927]

对话框中有个EDIT BOX，MFC中可以关联变量，SDK中如何提取EDIT控件中的内容？

[akiko]

int GetWindowText(
HWND hWnd, // handle to window or control with text
LPTSTR lpString, // address of buffer for text
int nMaxCount // maximum number of characters to copy
);