如何从函数CreateWindowEx（）窗口的宽度和高度？ C ++ [英] How to get width and height from CreateWindowEx() window? C++

问题描述

我与函数CreateWindowEx窗口（）函数，现在我怎么从那个窗口我创建的宽度和高度？这听起来做的很基本的东西，但我无法找到任何答案; _;

I have made a window with CreateWindowEx() function, now how do i get the width and height from that window i created? This sounds very basic thing to do, but i just couldnt find any answer ;_;

这是必要的，因为取决于Windows的希望如何创建它自动创建窗口的高度。

This is needed because the window height is created automatically depending on how the Windows wants to create it.

C语言或C ++

推荐答案

使用 GetWindowRect 。从左侧减去权从顶部得到的宽度和底部，以获得高度

Use GetWindowRect. Subtract the right from the left to get the width and the bottom from the top to get the height.

RECT rect;
if(GetWindowRect(hwnd, &rect))
{
  int width = rect.right - rect.left;
  int height = rect.bottom - rect.top;
}

作为一个方面说明，如果你想在客户端区域，而不是整个窗口。您可以使用 GetClientRect 。有关您可以使用 GetWindowInfo 窗口等信息。

As a side note, if you'd like the client area instead of the entire window. You can use GetClientRect. For other information about the window you can use GetWindowInfo.

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