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winForm窗体最大化的设置

2024-07-07 08:08:38   224人阅读

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1. 窗体最大化时 非全屏 不会遮盖任务栏
 
 
private void btnFormMax_Click(object sender, EventArgs e)
{
       if (this.WindowState == FormWindowState.Maximized)
       {
           this.WindowState = FormWindowState.Normal;
       }
     else
       {
           this.WindowState = FormWindowState.Maximized;
       }
}
此时this.FormBorderStyle. 默认为 Sizable
 
2. 窗体最大化时 会全屏 及遮盖任务栏
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;
      }
   }
此时this.FormBorderStyle. 为 None 不会显示窗体标题栏等相关
 
  
 
3. 窗体最大化时 非全屏 不会遮盖任务栏
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;
      }
   }
 
此时this.FormBorderStyle. 为 None 不会显示窗体标题栏等相关
 
  
 
  
 
窗体最大化的时候，如何指定窗体的位置、大小(C#)
 
 
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsApplication1
{
public partial class FormRegion : Form.
{
private const long WM_GETMINMAXINFO = 0x24;
public struct POINTAPI
{
public int x;
public int y;
}
public struct MINMAXINFO
{
public POINTAPI ptReserved;
public POINTAPI ptMaxSize;
public POINTAPI ptMaxPosition;
public POINTAPI ptMinTrackSize;
public POINTAPI ptMaxTrackSize;
}
public FormRegion()
{
InitializeComponent();
this.MaximumSize = new Size(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);
}
protected override void WndProc(ref System.Windows.Forms.Message m)
{
base.WndProc(ref m);
if (m.Msg == WM_GETMINMAXINFO)
{
MINMAXINFO mmi = (MINMAXINFO)m.GetLParam(typeof(MINMAXINFO));
mmi.ptMinTrackSize.x = this.MinimumSize.Width;
mmi.ptMinTrackSize.y = this.MinimumSize.Height;
if (this.MaximumSize.Width != 0 || this.MaximumSize.Height != 0)
{
mmi.ptMaxTrackSize.x = this.MaximumSize.Width;
mmi.ptMaxTrackSize.y = this.MaximumSize.Height;
}
mmi.ptMaxPosition.x = 1;
mmi.ptMaxPosition.y = 1;
System.Runtime.InteropServices.Marshal.StructureToPtr(mmi, m.LParam, true);
}
}
}
} 
 
MessageBox.Show("当前窗体标题栏高度"+(this.Height - this.ClientRectangle.Height).ToString());//获得当前窗体标题栏高度
ClientRectangle//获取表示控件的工作区的矩形
MessageBox.Show(SystemInformation.PrimaryMonitorSize.ToString()); //获取主显示器屏幕的尺寸(像素)
//获取主显示器当前当前视频模式的尺寸(以象素为单位)
MessageBox.Show("菜单栏高度"+SystemInformation.MenuHeight.ToString()); //获取标准菜单栏的高度
MessageBox.Show("标题栏高度"+SystemInformation.CaptionHeight.ToString()); //获取标准标题栏的高度
MenuHeight//获取一个菜单行的高度(以象素为单位)
CaptionHeight//获取窗口的标准标题栏区域的高度(以象素为单位)

 


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