关于c# winForm窗体最大化的设置

本文讨论了在窗体最大化操作中调整标题栏显示的三种方式:全屏显示、隐藏标题栏并遮盖任务栏、仅隐藏标题栏但不遮盖任务栏。通过修改窗体的`WindowState`和`FormBorderStyle`属性来实现不同效果。

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http://blog.youkuaiyun.com/cnkivm/archive/2010/05/30/5635166.aspx

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


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(以象素为单位菜单栏高度"+SystemInformation.MenuHeight.ToString()); //获取标准菜单栏的高度标题栏高度"+SystemInformation.CaptionHeight.ToString()); //获取标准标题栏的高度获取一个菜单行的高度(以象素为单位获取窗口的标准标题栏区域的高度(以象素为单位)

发表于 @ 2010年05月30日 21:37:00 | 评论( 0 ) 举报收藏

转载于:https://www.cnblogs.com/kevinzhwl/archive/2010/06/28/1766475.html

自定义窗体最大化、最小化和关闭按钮, C#移动无标题栏窗体的三种代码: C#移动无标题栏窗体的三种代码:第一种采用,需注意窗体上的控件是否把窗体覆盖了。。。MouseDown、MouseMove、MouseUp事件应该是鼠标所处位置最顶层的控件的事件 在窗体的类中声明两个变量 private Point mouseOffset; //记录鼠标指针的坐标 private bool isMouseDown = false; //记录鼠标按键是否按下 创建该窗体 MouseDown、MouseMove、MouseUp事件的相应处理程序 private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { int xOffset; int yOffset; if (e.Button == MouseButtons.Left) { xOffset = -e.X ; yOffset = -e.Y ; mouseOffset = new Point(xOffset, yOffset); isMouseDown = true; } } private void Form1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) { if (isMouseDown) { Point mousePos = Control.MousePosition; mousePos.Offset(mouseOffset.X, mouseOffset.Y); Location = mousePos; } } private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { // 修改鼠标状态isMouseDown的值 // 确保只有鼠标左键按下并移动时,才移动窗体 if (e.Button == MouseButtons.Left) { isMouseDown = false; } } 第二种用API 未验证 using System.Runtime.InteropServices; [DllImport("user32.dll")] public static extern bool ReleaseCapture(); [DllImport("user32.dll")] public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam); public const int WM_SYSCOMMAND = 0x0112; public const int SC_MOVE = 0xF010; public const int HTCAPTION = 0x0002; private void Form1_MouseDown(object sender, MouseEventArgs e) { ReleaseCapture(); SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0); } 第三种未验证 private bool isMouseDown = false; private Point FormLocation; //form的location private Point mouseOffset; //鼠标的按下位置 [DllImport("user32.dll")] public static extern bool ReleaseCapture(); [DllImport("user32.dll")] public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam); private const int WM_SYSCOMMAND = 0x0112;//点击窗口左上角那个图标时的系统信息 private const int SC_MOVE = 0xF010;//移动信息 private const int HTCAPTION = 0x0002;//表示鼠标在窗口标题栏时的系统信息 private const int WM_NCHITTEST = 0x84;//鼠标在窗体客户区(除了标题栏和边框以外的部分)时发送的消息 private const int HTCLIENT = 0x1;//表示鼠标在窗口客户区的系统消息 private const int SC_MAXIMIZE = 0xF030;//最大化信息 private const int SC_MINIMIZE = 0xF020;//最小化信息 protected override void WndProc(ref Message m) { switch (m.Msg) { case WM_SYSCOMMAND: if (m.WParam == (IntPtr)SC_MAXIMIZE) { m.WParam = (IntPtr)SC_MINIMIZE; } break; case WM_NCHITTEST: //如果鼠标移动或单击 base.WndProc(ref m);//用基类的窗口过程——WndProc方法处理这个消息 if (m.Result == (IntPtr)HTCLIENT)//如果返回的是HTCLIENT { m.Result = (IntPtr)HTCAPTION;//把它改为HTCAPTION return;//直接返回退出方法 } break; } base.WndProc(ref m);//如果不是鼠标移动或单击消息就用基类的窗口过程进行处理 } private void Form1_Load(object sender, EventArgs e) { } ------------------------------- 如何在窗体标题栏左边的控制菜单加入自己的菜单啊? 我们一般在窗口标题栏点右键 或 按Alt+空格 可以弹出那个菜单。 ------解决方案-------------------- using System.Runtime.InteropServices; [DllImport( "user32.dll ")] public static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert); [DllImport( "user32.dll ")] public static extern bool InsertMenu(IntPtr hMenu, uint uPosition, uint uFlags, uint uIDNewItem, string lpNewItem); public const int MF_BYCOMMAND = 0; public const int MF_STRING = 0; public const int MF_BYPOSITION = 0x400; public const int MF_SEPARATOR = 0x800; private const uint SC_ABOUT = 0x0001; public const int WM_SYSCOMMAND = 0x0112; private void Form1_Load(object sender, EventArgs e) { IntPtr vMenuHandle = GetSystemMenu(Handle, false); InsertMenu(vMenuHandle, 255, MF_STRING, SC_ABOUT, "About... "); } protected override void WndProc(ref Message m) { switch (m.Msg) { case WM_SYSCOMMAND: if ((uint)m.WParam == SC_ABOUT) { MessageBox.Show( "Zswang 路过! "); } break; } base.WndProc(ref m); }
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