在GDI +中在画布上绘制图像时，如何获取单词的长度和高度

I draw a string on a canvas, using GDI+ in C++. Is there any API to get the out layer (width, height ) of a string in a certain font? Thanks very much! Many thanks to Windows programmer's solution. I wrote the following code.I draw a string on a canvas, using GDI+ in C++.