C# WinForm 关于窗体最大化时的是否全屏效果与是否遮盖任务栏

0.新建窗体 及添加按钮

1.

执行如下按钮事件

private void btnFormMax_Click(object sender, EventArgs e)

{

if (this.WindowState == FormWindowState.Maximized)

{

this.WindowState = FormWindowState.Normal;

}

else

{

this.WindowState = FormWindowState.Maximized;

}

}

窗体最大化时 非全屏 不会遮盖任务栏

此时this.FormBorderStyle 默认为 Sizable

2.

执行如下按钮事件

private void btnFormMax_Click(object sender, EventArgs e)

{

if (this.WindowState == FormWindowState.Maximized)

{

this.WindowState = FormWindowState.Normal;

}

else

{

this.FormBorderStyle = FormBorderStyle.None;

this.WindowState = FormWindowState.Maximized;

}

}

窗体最大化时 会全屏 及遮盖任务栏

此时this.FormBorderStyle 为 None 不会显示窗体标题栏等相关

3.

执行如下按钮事件

private void btnFormMax_Click(object sender, EventArgs e)

{

if (this.WindowState == FormWindowState.Maximized)

{

this.WindowState = FormWindowState.Normal;

}

else

{

this.FormBorderStyle = FormBorderStyle.None;

this.MaximumSize = new Size(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);

this.WindowState = FormWindowState.Maximized;

}

}

窗体最大化时 非全屏 不会遮盖任务栏

此时this.FormBorderStyle 为 None 不会显示窗体标题栏等相关