[C#自学视频]认识windows窗体

baiyunjn

7.4.1  根据桌面大小调节窗体大小



namespace SetFormSizeByDeskSize
{
public partial class Frm_Main : Form
{
public Frm_Main()
{
InitializeComponent();
}
private void Frm_Main_Load(object sender, EventArgs e)
{
int DeskWidth = Screen.PrimaryScreen.WorkingArea.Width;//获取桌面宽度
int DeskHeight = Screen.PrimaryScreen.WorkingArea.Height;//获取桌面高度
this.Width = Convert.ToInt32(DeskWidth * 0.8);//设置窗体宽度
this.Height = Convert.ToInt32(DeskHeight * 0.8);//设置窗体高度
        }
}
}
7.4.2 自定义最大化、最小化和关闭按钮



using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace ControlFormStatus
{
public partial class Frm_Main : Form
{
public Frm_Main()
{
InitializeComponent();
}
private void Frm_Main_Load(object sender, EventArgs e)
{
this.Width = Properties.Resources.登录界面标题.Width;//设置体的宽度
this.Height = Properties.Resources.登录界面标题.Height + Properties.Resources.登录界面下面.Height;//设置窗体的高度
panel_Title.BackgroundImage = Properties.Resources.登录界面标题;//显示窗体标题栏的图片
panel_ALL.BackgroundImage = Properties.Resources.登录界面下面;//显示窗体标题栏下同的图片
pictureBox_Min.Image = null;//清空PictuteBox控件
pictureBox_Min.Image = Properties.Resources.最小化按钮;//显示最小化按钮的图片
pictureBox_Max.Image = null; //清空PictuteBox控件
pictureBox_Max.Image = Properties.Resources.最大化按钮;//显示最大化按钮的图片
pictureBox_Close.Image = null;//清空PictuteBox控件
pictureBox_Close.Image = Properties.Resources.关闭按钮;//显示关闭按钮的图片
        }
#region  设置窗体的最大化、最小化和关闭按钮的单击事件
/// <summary>
/// 设置窗体的最大化、最小化和关闭按钮的单击事件
/// </summary>
/// <param Frm_Tem="Form">窗体</param>
/// <param n="int">标识</param>
public void FrmClickMeans(Form Frm_Tem, int n)
{
switch (n)//窗体的操作样式
            {
case 0://窗体最小化
Frm_Tem.WindowState = FormWindowState.Minimized;//窗体最小化
break;
case 1://窗体最大化和还原的切换
                    {
if (Frm_Tem.WindowState == FormWindowState.Maximized)//如果窗体当前是最大化
Frm_Tem.WindowState = FormWindowState.Normal;//还原窗体大小
else
Frm_Tem.WindowState = FormWindowState.Maximized;//窗体最大化
break;
}
case 2:    //关闭窗体
                    Frm_Tem.Close();
break;
}
}
#endregion
#region  控制图片的切换状态
/// <summary>
/// 控制图片的切换状态
/// </summary>
/// <param sender =" object ">要改变图片的对象</param>
/// <param n="int">标识</param>
/// <param ns="int">移出移入标识</param>
public static PictureBox Tem_PictB = new PictureBox();//实例化PictureBox控件
public void ImageSwitch(object sender, int n, int ns)
{
Tem_PictB = (PictureBox)sender;
switch (n)//获取标识
            {
case 0://当前为最小化按钮
                    {
Tem_PictB.Image = null;//清空图片
if (ns == 0)//鼠标移入
Tem_PictB.Image = Properties.Resources.最小化变色;
if (ns == 1)//鼠标移出
Tem_PictB.Image = Properties.Resources.最小化按钮;
break;
}
case 1://最大化按钮
                    {
Tem_PictB.Image = null;
if (ns == 0)
Tem_PictB.Image = Properties.Resources.最大化变色;
if (ns == 1)
Tem_PictB.Image = Properties.Resources.最大化按钮;
break;
}
case 2://关闭按钮
                    {
Tem_PictB.Image = null;
if (ns == 0)
Tem_PictB.Image = Properties.Resources.关闭变色;
if (ns == 1)
Tem_PictB.Image = Properties.Resources.关闭按钮;
break;
}
}
}
#endregion
private void pictureBox_Close_Click(object sender, EventArgs e)//单击事件
        {
FrmClickMeans(this, Convert.ToInt16(((PictureBox)sender).Tag.ToString()));//设置鼠标单击时按钮的图片
        }
private void pictureBox_Close_MouseEnter(object sender, EventArgs e)//鼠标移入事件
        {
ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 0);//设置鼠标移入后按钮的图片
        }
private void pictureBox_Close_MouseLeave(object sender, EventArgs e)//鼠标移出事件
        {
ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 1);//设置鼠标移出后按钮的图片
        }
}
}
7.4.3  窗体换肤程序



using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WinCusSkin
{
public partial class Frm_Main  : Form
{
String strImagesPath = Application.StartupPath.Substring(0, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).LastIndexOf("\\"));
int top, left, hei, wid;
bool bol = false, bo = false, bolTop = false, bolLeft = false, bolRight = false, bolBottom = false, bolLeftCornu = false, bolRightCornu = false;
int x = 0, y = 0;
public Frm_Main()
{
InitializeComponent();
}
//关闭事件。
private void picClose_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
//最大化事件。  
private void picMaximize_Click(object sender, System.EventArgs e)
{
if (!bol)
{
top = this.Top;
left = this.Left;
hei = this.Height;
wid = this.Width;
this.Top = 0;
this.Left = 0;
int hg = SystemInformation.MaxWindowTrackSize.Height;
int wh = SystemInformation.MaxWindowTrackSize.Width;
this.Height = hg;
this.Width = wh;
bol = true;
if (menItemSkin1.Checked)
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\purple\max.png");
if (menItemSkin2.Checked)
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\blue\max.png");
if (menItemSkin3.Checked)
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\green\max.png");
}
else
{
this.Top = top;
this.Left = left;
this.Height = hei;
this.Width = wid;
bol = false;
if (menItemSkin1.Checked)
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\purple\max_Normal.png");
if (menItemSkin2.Checked)
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\blue\max_Normal.png");
if (menItemSkin3.Checked)
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\green\max_Normal.png");
}
}
//最小化事件。
private void picMinimize_Click(object sender, System.EventArgs e)
{
top = this.Top;
left = this.Left;
hei = this.Height;
wid = this.Width;
this.Height = 0;
this.Width = 0;
bo = true;
}
//窗口再次被激活时。
private void FormCusSkin_Activated(object sender, System.EventArgs e)
{
if (bo)
{
this.Top = top;
this.Left = left;
this.Height = hei;
this.Width = wid;
bo = false;
}
}
//选择关闭。
private void mItemColse_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
//上边框鼠标按下。
private void panel_Top_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
x = e.X;
y = e.Y;
this.bolTop = true;
}
//上边框鼠标移动。
private void panel_Top_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (bolTop)
{
this.Top += e.Y - y;
this.Left += e.X - x;
}
}
//上边框鼠标释放。
private void panel_Top_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.bolTop = false;
}
//左边框鼠标按下。
private void panel_Left_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
x = e.X;
this.bolLeft = true;
}
//左边框鼠标移动。
private void panel_Left_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (bolLeft)
{
this.Width += x - e.X;
this.Left += e.X - x;
}
}
//左边框鼠标离开。
private void panel_Left_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.bolLeft = false;
}
//右边框鼠标按下。
private void panel_Right_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
x = e.X;
this.bolRight = true;
}
//右边框鼠标移动。
private void panel_Right_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (bolRight)
{
this.Width += e.X - x;
}
}
//右边框鼠标离开。
private void panel_Right_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.bolRight = false;
}
//下边框鼠标按下。
private void panel_Bottom_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
y = e.Y;
this.bolBottom = true;
}
//下边框鼠标移动。
private void panel_Bottom_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (bolBottom)
{
this.Height += e.Y - y;
}
}
//下边框鼠标离开。
private void panel_Bottom_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.bolBottom = false;
}
//左下角鼠标按下。
private void panelLeftCornu_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
x = e.X;
y = e.Y;
this.bolLeftCornu = true;
}
//左下角鼠标移动。
private void panelLeftCornu_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (bolLeftCornu)
{
this.Width += x - e.X;
this.Left += e.X - x;
this.Height += e.Y - y;
}
}
//左下角鼠标离开。
private void panelLeftCornu_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
x = e.X;
y = e.Y;
this.bolLeftCornu = false;
}
//右下角鼠标按下。
private void panelRightCornu_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.bolRightCornu = true;
}
//右下角鼠标移动。
private void panelRightCornu_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (bolRightCornu)
{
this.Width += e.X - x;
this.Height += e.Y - y;
}
}
//右下角鼠标离开。
private void panelRightCornu_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
this.bolRightCornu = false;
}
private void FormCusSkin_Load(object sender, EventArgs e)
{
menItemSkin2_Click(sender, e);//默认蓝色经典
        }
private void menItemSkin1_Click(object sender, EventArgs e)
{
this.panel_Top.BackgroundImage = Image.FromFile(strImagesPath + @"\images\purple\top.png");
this.panel_Left.BackgroundImage = Image.FromFile(strImagesPath + @"\images\purple\left.png");
this.panel_Right.BackgroundImage = Image.FromFile(strImagesPath + @"\images\purple\right.png");
this.panel_Bottom.BackgroundImage = Image.FromFile(strImagesPath + @"\images\purple\bottom.png");
this.picMinimize.Image = Image.FromFile(strImagesPath + @"\images\purple\min.png");
if (bol == true)
{
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\purple\max.png");
}
else
{
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\purple\max_normal.png");
}
this.picClose.Image = Image.FromFile(strImagesPath + @"\images\purple\close.png");
this.menItemSkin1.Checked = true;
this.menItemSkin2.Checked = false;
this.menItemSkin3.Checked = false;
this.menuStrip1.BackgroundImage = Image.FromFile(strImagesPath + @"\images\purple\menu.gif");
this.BackgroundImage = Image.FromFile(strImagesPath + @"\images\purple\background.gif");
}
private void menItemSkin2_Click(object sender, EventArgs e)
{
this.panel_Top.BackgroundImage = Image.FromFile(strImagesPath + @"\images\blue\top.png");
this.panel_Left.BackgroundImage = Image.FromFile(strImagesPath + @"\images\blue\left.png");
this.panel_Right.BackgroundImage = Image.FromFile(strImagesPath + @"\images\blue\right.png");
this.panel_Bottom.BackgroundImage = Image.FromFile(strImagesPath + @"\images\blue\bottom.png");
this.picMinimize.Image = Image.FromFile(strImagesPath + @"\images\blue\min.png");
if (bol == true)
{
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\blue\max.png");
}
else
{
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\blue\max_normal.png");
}
this.picClose.Image = Image.FromFile(strImagesPath + @"\images\blue\close.png");
this.menItemSkin1.Checked = false;
this.menItemSkin2.Checked = true;
this.menItemSkin3.Checked = false;
this.menuStrip1.BackgroundImage = Image.FromFile(strImagesPath + @"\images\blue\menu.gif");
this.BackgroundImage = Image.FromFile(strImagesPath + @"\images\blue\background.gif");
}
private void menItemSkin3_Click(object sender, EventArgs e)
{
this.panel_Top.BackgroundImage = Image.FromFile(strImagesPath + @"\images\green\top.png");
this.panel_Left.BackgroundImage = Image.FromFile(strImagesPath + @"\images\green\left.png");
this.panel_Right.BackgroundImage = Image.FromFile(strImagesPath + @"\images\green\right.png");
this.panel_Bottom.BackgroundImage = Image.FromFile(strImagesPath + @"\images\green\bottom.png");
this.picMinimize.Image = Image.FromFile(strImagesPath + @"\images\green\min.png");
if (bol == true)
{
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\green\max.png");
}
else
{
this.picMaximize.Image = Image.FromFile(strImagesPath + @"\images\green\max_normal.png");
}
this.picClose.Image = Image.FromFile(strImagesPath + @"\images\green\close.png");
this.menItemSkin1.Checked = false;
this.menItemSkin2.Checked = false;
this.menItemSkin3.Checked = true;
this.menuStrip1.BackgroundImage = Image.FromFile(strImagesPath + @"\images\green\menu.gif");
this.BackgroundImage = Image.FromFile(strImagesPath + @"\images\green\background.gif");
}
private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void panel_Top_DoubleClick(object sender, EventArgs e)
{
picMaximize_Click(sender, e);
}
}
}