问题描述
在 Windows 7 中，音量混合器窗口具有特定的样式，具有厚实、透明的边框，但没有标题栏.如何在 winforms 窗口中重新创建该窗口样式?
In Windows 7, the volume mixer windows has a specific style, with a thick, transparent border, but no title bar. How do i recreate that window style in a winforms window?
我尝试将 Text 设置为 string.Empty，将 ControlBox 设置为 false，这会删除标题栏，但随后边框也会消失:
I tried setting Text to string.Empty, and ControlBox to false, which removes the titlebar, but then the border also disappears:
推荐答案
form.Text = string.Empty;
form.ControlBox = false;
form.FormBorderStyle = FormBorderStyle.SizableToolWindow;
对于固定大小的窗口，您仍应使用 FormBorderStyle.SizableToolWindow，但您可以覆盖表单的 WndProc 以忽略非客户端命中测试(用于切换到尺寸光标):
For a fixed size window, you should still use FormBorderStyle.SizableToolWindow, but you can override the form's WndProc to ignore non-client hit tests (which are used to switch to the sizing cursors):
protected override void WndProc(ref Message message)
{
const int WM_NCHITTEST = 0x0084;
if (message.Msg == WM_NCHITTEST)
return;
base.WndProc(ref message);
}
如果您想真正强制执行大小，您还可以在表单上设置 MinimumSize 等于 MaximumSize.
If you want to really enforce the size, you could also set MinimumSize equal to MaximumSize on the form.
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