将窗体的世界变换重置为一个单位矩阵并用纯红色画笔填充一个矩形。

Resets the world transform of the form to an identity and fills a rectangle with a solid red brush.

youdao

将窗体的世界变换重置为一个单位矩阵并用纯红色画笔填充一个矩形。

Resets the world transform of the form to an identity and fills a rectangle with a solid red brush.

youdao