动态设置窗体大小

 

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace 实例5
{
    /**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    {
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.Label label4;
        private System.Windows.Forms.NumericUpDown numericUpDown1;
        private System.Windows.Forms.NumericUpDown numericUpDown2;
        private System.Windows.Forms.NumericUpDown numericUpDown3;
        private System.Windows.Forms.NumericUpDown numericUpDown4;
        private System.Windows.Forms.Button button1;
        /**//// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1()
        {
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }

        /**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
        /**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.label3 = new System.Windows.Forms.Label();
            this.label4 = new System.Windows.Forms.Label();
            this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();
            this.numericUpDown2 = new System.Windows.Forms.NumericUpDown();
            this.numericUpDown3 = new System.Windows.Forms.NumericUpDown();
            this.numericUpDown4 = new System.Windows.Forms.NumericUpDown();
            this.button1 = new System.Windows.Forms.Button();
            this.groupBox1.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown3)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown4)).BeginInit();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.Add(this.label1);
            this.groupBox1.Controls.Add(this.label2);
            this.groupBox1.Controls.Add(this.label3);
            this.groupBox1.Controls.Add(this.label4);
            this.groupBox1.Controls.Add(this.numericUpDown2);
            this.groupBox1.Controls.Add(this.numericUpDown3);
            this.groupBox1.Controls.Add(this.numericUpDown4);
            this.groupBox1.Location = new System.Drawing.Point(8, 8);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(264, 256);
            this.groupBox1.TabIndex = 0;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "groupBox1";
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(16, 24);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(96, 32);
            this.label1.TabIndex = 1;
            this.label1.Text = "最小宽度";
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(16, 64);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(96, 32);
            this.label2.TabIndex = 2;
            this.label2.Text = "最大宽度";
            // 
            // label3
            // 
            this.label3.Location = new System.Drawing.Point(16, 104);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(96, 40);
            this.label3.TabIndex = 3;
            this.label3.Text = "最小高度";
            // 
            // label4
            // 
            this.label4.Location = new System.Drawing.Point(16, 152);
            this.label4.Name = "label4";
            this.label4.Size = new System.Drawing.Size(96, 40);
            this.label4.TabIndex = 4;
            this.label4.Text = "最大高度";
            // 
            // numericUpDown1
            // 
            this.numericUpDown1.Location = new System.Drawing.Point(128, 16);
            this.numericUpDown1.Name = "numericUpDown1";
            this.numericUpDown1.Size = new System.Drawing.Size(128, 21);
            this.numericUpDown1.TabIndex = 5;
            // 
            // numericUpDown2
            // 
            this.numericUpDown2.Location = new System.Drawing.Point(120, 64);
            this.numericUpDown2.Name = "numericUpDown2";
            this.numericUpDown2.Size = new System.Drawing.Size(128, 21);
            this.numericUpDown2.TabIndex = 6;
            // 
            // numericUpDown3
            // 
            this.numericUpDown3.Location = new System.Drawing.Point(120, 104);
            this.numericUpDown3.Name = "numericUpDown3";
            this.numericUpDown3.Size = new System.Drawing.Size(128, 21);
            this.numericUpDown3.TabIndex = 7;
            // 
            // numericUpDown4
            // 
            this.numericUpDown4.Location = new System.Drawing.Point(120, 160);
            this.numericUpDown4.Name = "numericUpDown4";
            this.numericUpDown4.Size = new System.Drawing.Size(128, 21);
            this.numericUpDown4.TabIndex = 8;
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(120, 224);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(128, 24);
            this.button1.TabIndex = 9;
            this.button1.Text = "设置";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.AutoScroll = true;
            this.BackColor = System.Drawing.SystemColors.ControlLight;
            this.ClientSize = new System.Drawing.Size(292, 273);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.numericUpDown1);
            this.Controls.Add(this.groupBox1);
            this.Name = "Form1";
            this.Text = "设置窗体大小";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.groupBox1.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown3)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown4)).EndInit();
            this.ResumeLayout(false);

        }
        #endregion

        /**//// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new Form1());
        }

        private void Form1_Load(object sender, System.EventArgs e)
        {
        
        }

        private void button1_Click(object sender, System.EventArgs e)
        {
            int widthmin=System.Decimal .ToInt32(numericUpDown1.Value);
            int heightmin=System.Decimal .ToInt32 (numericUpDown3.Value);
            int widthmax=System.Decimal .ToInt32 (numericUpDown2.Value);
            int heightmax=System.Decimal .ToInt32(numericUpDown4.Value );
            DialogResult dr,dr2;
            if(widthmin>widthmax)
            {
                dr=MessageBox.Show("设置的最小宽度比最大宽度还大,如果坚持此投置,窗体的宽度将固定为最大宽度","警告",MessageBoxButtons.OKCancel ,MessageBoxIcon.Warning );
                if (dr ==DialogResult.OK )
                {
                    //没有任何处理
                }
                else if (dr==DialogResult.Cancel )
                {
                    numericUpDown1.Value=300;
                    numericUpDown2.Value=300;
                }
            }
            if(heightmin>heightmax)
            {
                dr2=MessageBox.Show ("设置的最小高度比最大高度还大,如果坚持此设置,窗体的宽度将因定为最大高度",
                                                                                "警告",MessageBoxButtons.OKCancel ,MessageBoxIcon.Warning );
                //要椐对话框的返回值进行处理,如果是Cancel则将值的设置还原
                if(dr2==DialogResult.Cancel )
                {
                    //没有任何处理
                }
                else if (dr2==DialogResult.Cancel )
                {
                    numericUpDown3.Value=300;
                    numericUpDown4.Value=300;
                }
            }
            widthmin=System.Decimal.ToInt32 (numericUpDown1.Value );
            heightmin=System.Decimal .ToInt32 (numericUpDown2.Value );
            widthmax=System.Decimal .ToInt32 (numericUpDown3.Value);
            heightmax=System.Decimal .ToInt32 (numericUpDown4.Value);
            Size P1=new Size (widthmin,heightmin);
            Size P2=new Size (widthmax,heightmax);
            //设置窗体的最小宽度和最小高度
            this.MinimumSize=P1;
            //设置窗体的最大宽度和最大高度
            this.MaximumSize =P2;
        }
    }
}

前些时候完成了ASP.NET的配置,突然想做做网站的东西,可是真到做的时候又觉得懂的太少,所以就学学窗体编程,都是一些简单的东东,这是我早上下午花了两个小时才写完的代码,感觉写代码是件痛苦的事情...