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发表于 分类于 ， 阅读次数： Valine：
本文字数： 2k 阅读时长 ≈ 2 分钟
  • 来源:明日科技

    • 实现无边框窗体的移动

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

    namespace Example013_无标题窗体的拖动
    {
        /// <summary>
        /// Form1 的摘要说明。
        /// </summary>
        public class Form1 : System.Windows.Forms.Form
        {
            /// <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);
            }

            #region Windows Form Designer generated code
            /// <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.SuspendLayout();
                // 
                // Form1
                // 
                this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
                this.ClientSize = new System.Drawing.Size(292, 273);
                this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
                this.Name = "Form1";
                this.Text = "Form1";
                this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDown);
                this.ResumeLayout(false);

            }
            #endregion

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

            [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, System.Windows.Forms.MouseEventArgs e)
            {
                ReleaseCapture();
                SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
            }
        }
    }

    QQ图片20160704154934

    发表于 分类于 ， 阅读次数： Valine：
    本文字数： 1.8k 阅读时长 ≈ 2 分钟

    窗体渐变背景代码实例

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    using System;
    using System.Drawing;
    using System.Collections;
    using System.ComponentModel;
    using System.Windows.Forms;
    using System.Data;
    using System.Drawing.Drawing2D;

    namespace Example010_渐变的窗口背景
    {
        /// <summary>
        /// Form1 的摘要说明。
        /// </summary>
        public class Form1 : System.Windows.Forms.Form
        {
            /// <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);
            }

            #region Windows Form Designer generated code
            /// <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()
            {
                // 
                // Form1
                // 
                this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
                this.ClientSize = new System.Drawing.Size(292, 273);
                this.Name = "Form1";
                this.Text = "Form1";
                this.Resize += new System.EventHandler(this.Form1_Resize);
                this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

            }
            #endregion

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

            private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
            {
                Graphics g = e.Graphics;
                Color FColor = Color.Blue;
                Color TColor = Color.Yellow;
                Brush b = new LinearGradientBrush(this.ClientRectangle, FColor, TColor, LinearGradientMode.ForwardDiagonal);
                g.FillRectangle(b, this.ClientRectangle);
            }

            private void Form1_Resize(object sender, System.EventArgs e)
            {
                this.Invalidate();
            }
        }
    }

    QQ图片20160704154023

    发表于 分类于 ， 阅读次数： Valine：
    本文字数： 1.9k 阅读时长 ≈ 2 分钟

    窗口渐显实现的效果

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

    namespace Example002
    {
        /// <summary>
        /// Form1 的摘要说明。
        /// </summary>
        public class Form1 : System.Windows.Forms.Form
        {
            private System.Windows.Forms.Timer timer1;
            private System.ComponentModel.IContainer components;

            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);
            }

            #region Windows Form Designer generated code
            /// <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.components = new System.ComponentModel.Container();
                this.timer1 = new System.Windows.Forms.Timer(this.components);
                // 
                // timer1
                // 
                this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
                // 
                // Form1
                // 
                this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
                this.ClientSize = new System.Drawing.Size(256, 141);
                this.Name = "Form1";
                this.Opacity = 0.5;
                this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
                this.Text = "Form1";
                this.Load += new System.EventHandler(this.Form1_Load);

            }
            #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)
            {
                this.timer1.Enabled = true;
                this.Opacity = 0;
            }

            private void timer1_Tick(object sender, System.EventArgs e)
            {
                if (this.Opacity < 1)
                {
                    this.Opacity = this.Opacity + 0.05;
                }
                else
                {
                    this.timer1.Enabled = false;
                }
            }
        }
    }

    QQ图片20160704153514

    发表于 分类于 阅读次数： Valine：
    本文字数： 3.1k 阅读时长 ≈ 3 分钟
  • 来源:明日科技

    • C# 数组转为table的实例。

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    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 WindowsFormsApplication1
    {
        //http://www.cnblogs.com/Holmes-Jin/archive/2012/04/25/2470671.html


        public partial class Form1 : Form
        {
            public Form1()
            {
                InitializeComponent();
            }


            private void button1_Click_1(object sender, EventArgs e)
            {
                dataGridView1.DataSource = ArrayToDataTable.Convert("haha", new string[] { "1", "2", "3", "4", "5", "6" });

            }

            private void button2_Click_1(object sender, EventArgs e)
            {
                string[,] array3D = {
                                            { "1", "数组转DataTable 1", "0"},
                                            { "2", "数组转DataTable 2", "1"},
                                            { "3", "数组转DataTable 3", "1"},
                                            { "4", "数组转DataTable 4", "2"},
                                            { "5", "数组转DataTable 5", "2"},
                                            { "6", "数组转DataTable 6", "5"},
                                            };
                dataGridView1.DataSource = ArrayToDataTable.Convert(new string[] { "haha1", "haha2", "haha3" }, array3D);
            }

        }

        class ArrayToDataTable
        {
            /// <summary>  
            /// 把一个一维数组转换为DataTable  
            /// </summary>  
            /// <param name="ColumnName">列名</param>  
            /// <param name="Array">一维数组</param>  
            /// <returns>返回DataTable</returns>  
            /// <remarks>柳永法 http://www.yongfa365.com/ </remarks>  
            public static DataTable Convert(string ColumnName, string[] Array)
            {
                DataTable dt = new DataTable();
                dt.Columns.Add(ColumnName, typeof(string));

                for (int i = 0; i < Array.Length; i++)
                {
                    DataRow dr = dt.NewRow();
                    dr[ColumnName] = Array[i].ToString();
                    dt.Rows.Add(dr);
                }

                return dt;
            }


            /// <summary>  
            /// 反一个M行N列的二维数组转换为DataTable  
            /// </summary>  
            /// <param name="ColumnNames">一维数组，代表列名，不能有重复值</param>  
            /// <param name="Arrays">M行N列的二维数组</param>  
            /// <returns>返回DataTable</returns>  
            /// <remarks>柳永法 http://www.yongfa365.com/ </remarks>  
            public static DataTable Convert(string[] ColumnNames, string[,] Arrays)
            {
                DataTable dt = new DataTable();

                foreach (string ColumnName in ColumnNames)
                {
                    dt.Columns.Add(ColumnName, typeof(string));
                }

                for (int i1 = 0; i1 < Arrays.GetLength(0); i1++)
                {
                    DataRow dr = dt.NewRow();
                    for (int i = 0; i < ColumnNames.Length; i++)
                    {
                        dr[i] = Arrays[i1, i].ToString();
                    }
                    dt.Rows.Add(dr);
                }

                return dt;

            }


            /// <summary>  
            /// 反一个M行N列的二维数组转换为DataTable  
            /// </summary>  
            /// <param name="Arrays">M行N列的二维数组</param>  
            /// <returns>返回DataTable</returns>  
            /// <remarks>柳永法 http://www.yongfa365.com/ </remarks>  
            public static DataTable Convert(string[,] Arrays)
            {
                DataTable dt = new DataTable();

                int a = Arrays.GetLength(0);
                for (int i = 0; i < Arrays.GetLength(1); i++)
                {
                    dt.Columns.Add("col" + i.ToString(), typeof(string));
                }

                for (int i1 = 0; i1 < Arrays.GetLength(0); i1++)
                {
                    DataRow dr = dt.NewRow();
                    for (int i = 0; i < Arrays.GetLength(1); i++)
                    {
                        dr[i] = Arrays[i1, i].ToString();
                    }
                    dt.Rows.Add(dr);
                }

                return dt;

            }

        }
    }