后端开发|C#.Net教程
C#，配置管理，屏幕截图工具
后端开发-C#.Net教程
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添加设置窗口
在解决方案资源管理器窗口中，右键单击项目名称，在弹出的菜单中选择：添加》Windows窗体：
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输入窗体名称“frmSetup”：
设置窗体的Text属性为“设置”，设置窗体的Size为“472, 276”，StartPosition属性为“CenterScreen”。
添加设置标签页：
左侧工具箱》窗器：双击“TabControl”
设置的Dock属性为“Top”，Size属性为“456, 200”；
添加标签页：
添加三个标签页，Text分别设置为“基本设置，自动上传，自动保存”
添加确定和取消按钮；
基本设置标签页：
从工具箱中添加两个GroupBox，分别为“热键、截图选项”；
添加两个RadioButton，用于热键选择；
添加四个CheckBox用于截图选项；
添加两个TextBox用于设置放大镜的尺寸；
添加两个PictureBox用于显示X和锁的图片；
添加图片资源：
双击Properties中的“Resources.resx”
切换到图像视图：
将图片复制，粘贴到这里，分别命名为“Lock，X”；
设置PictureBox的Image属性为对应的资源：
自动上传标签页：
自动保存标签页：
其中文件名称需要使用两个ComboBox，Items集合分别设置为：
编写代码：
双击设置窗体，切换到代码视图，添加私有变量：
/// private IntPtr frm1Handle = IntPtr.Zero;
修改构造函数：
/// /// public frmSetup(IntPtr frm1_Handle) { InitializeComponent(); this.frm1Handle = frm1_Handle; }
为托盘菜单中的设置添加事件处理
打开主窗体Form1的设计视图，选中“contextMenuStrip1”
修改设置菜单的Name为“tsmi_Set”，双击设置菜单，添加代码：
/// /// /// private void tsmi_Set_Click(object sender, EventArgs e) { frmSetup frm = new frmSetup(this.Handle); frm.ShowDialog(); }
编译，调试一下，通过托盘图标的右键菜单》设置 可以打开刚刚添加的设置窗口了。
添加项目引用：
主窗体添加相关配置项变量：
#region 基本设置参数 /// public bool InfoBoxVisible = true; /// public bool ToolBoxVisible = true; /// public bool IsCutCursor = true; /// public bool ZoomBoxVisible = true; /// public int ZoomBoxWidth = 120; /// public int ZoomBoxHeight = 100; #endregion #region 图片上传参数 public string PicDescFieldName = "pictitle"; public string ImageFieldName = "upfile"; public string PicDesc = "cutImage"; public string UploadUrl = "http://"; public bool DoUpload = false; #endregion #region 自动保存参数 /// public bool AutoSaveToDisk = false; /// public string AutoSaveDirectory = string.Empty; /// public bool AutoSaveSubDir = false; /// public string AutoSaveFileName1 = "屏幕截图"; /// public string AutoSaveFileName2 = "日期时间"; /// public string AutoSaveFileName3 = ".jpg"; /// public int autoSaveFileIndex = 0; #endregion 自动保存参数
添加“AppSettingKeys”类：
///public static class AppSettingKeys { //基本设置 public static string HotKeyMode = "HotKeyMode"; public static string InfoBoxVisible = "InfoBoxVisible"; public static string ToolBoxVisible = "ToolBoxVisible"; public static string ZoomBoxVisible = "ZoomBoxVisible"; public static string ZoomBoxWidth = "ZoomBoxWidth"; public static string ZoomBoxHeight = "ZoomBoxHeight"; public static string IsCutCursor = "IsCutCursor"; //图片上传 public static string PicDescFieldName = "PicDescFieldName"; public static string ImageFieldName = "ImageFieldName"; public static string PicDesc = "PicDesc"; public static string UploadUrl = "UploadUrl"; public static string DoUpload = "DoUpload"; //自动保存 public static string AutoSaveToDisk = "AutoSaveToDisk"; public static string AutoSaveSubDir = "AutoSaveSubDir"; public static string AutoSaveDirectory = "AutoSaveDirectory"; public static string AutoSaveFileName1 = "AutoSaveFileName1"; public static string AutoSaveFileName2 = "AutoSaveFileName2"; public static string AutoSaveFileName3 = "AutoSaveFileName3"; }
Program.cs文件添加枚举类型：
///public enum KeyModifiers : uint { None = 0, Alt = 1, Control = 2, Shift = 4, Windows = 8 }
警告：由于xxx是引用封送类的字段，访问上面的成员可能导致运行时异常
设置窗口完整代码：
using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace Screenshot{ public partial class frmSetup : Form { /// private IntPtr frm1Handle = IntPtr.Zero; /// /// public frmSetup(IntPtr frm1_Handle) { InitializeComponent(); this.frm1Handle = frm1_Handle; } /// /// /// private void button_ok_Click(object sender, EventArgs e) { if (checkBox_autoSave.Checked && textBox_saveDir.Text.Trim().Length == 0) {MessageBox.Show("您选择了“自动保存屏幕截图到磁盘”\n但还没有设置存储目录！");return; } if (checkBox_autoSave.Checked && textBox_saveDir.Text.Trim().Length > 0) {if (!System.Text.RegularExpressions.Regex.IsMatch(textBox_saveDir.Text.Trim(), "^[a-zA-Z]:\\\\[^/:\\*\\?\"\\|]*$", System.Text.RegularExpressions.RegexOptions.IgnoreCase)){ MessageBox.Show("您选择了“自动保存屏幕截图到磁盘”\n但设置的存储目录不是有效的目录！"); return;}if (!System.IO.Directory.Exists(textBox_saveDir.Text.Trim())){ MessageBox.Show("您选择了“自动保存屏幕截图到磁盘”\n但设置的存储目录不存在！"); return;} } Form1 frm = (Form1)Form.FromHandle(frm1Handle); if (frm != null) {//基本设置if (radioButton1.Checked) // && frm.HotKeyMode != 0 无论是否改变都重新注册热键，解决有时热键失效的问题{ Form1.UnregisterHotKey(frm1Handle, frm.hotKeyId); Form1.RegisterHotKey(frm1Handle, frm.hotKeyId, (uint)KeyModifiers.Control | (uint)KeyModifiers.Alt, Keys.A); frm.HotKeyMode = 0;}if (radioButton2.Checked) // && frm.HotKeyMode != 1 无论是否改变都重新注册热键，解决有时热键失效的问题{ Form1.UnregisterHotKey(frm1Handle, frm.hotKeyId); Form1.RegisterHotKey(frm1Handle, frm.hotKeyId, (uint)KeyModifiers.Control | (uint)KeyModifiers.Shift, Keys.A); frm.HotKeyMode = 1;}frm.InfoBoxVisible = ckb_InfoBox.Checked;frm.ToolBoxVisible = ckb_ToolBox.Checked;frm.IsCutCursor = ckb_CutCursor.Checked;frm.ZoomBoxVisible = ckb_ZoomBox.Checked;frm.ZoomBoxWidth1 = Convert.ToInt32(tb_zoomBoxWidth.Text);frm.ZoomBoxHeight1 = Convert.ToInt32(tb_zoomBoxHeight.Text);if (frm.ZoomBoxWidth1 < 120){ frm.ZoomBoxWidth1 = 120; tb_zoomBoxWidth.Text = frm.ZoomBoxWidth1.ToString();}if (frm.ZoomBoxHeight1 < 100){ frm.ZoomBoxHeight1 = 100; tb_zoomBoxHeight.Text = frm.ZoomBoxHeight1.ToString();}//图片上传frm.PicDescFieldName = textBox_fieldDesc.Text;frm.ImageFieldName = textBox_fieldFile.Text;frm.PicDesc = textBox_desc.Text;frm.UploadUrl = textBox_uploadUrl.Text;frm.DoUpload = checkBox_upload.Checked;//自动保存frm.AutoSaveToDisk = checkBox_autoSave.Checked;frm.AutoSaveSubDir = chb_subDir.Checked;frm.AutoSaveDirectory = textBox_saveDir.Text;frm.AutoSaveFileName1 = textBox_fileName1.Text;if (comboBox_fileName2.SelectedItem != null){ frm.AutoSaveFileName2 = comboBox_fileName2.Text;}else{ frm.AutoSaveFileName2 = "日期时间";}if (comboBox_Extn.SelectedItem != null){ frm.AutoSaveFileName3 = comboBox_Extn.Text;}else{ frm.AutoSaveFileName3 = ".jpg";} } SaveConfiguration(); this.Close(); } /// private void SaveConfiguration() { System.Configuration.Configuration config = System.Configuration.ConfigurationManager.OpenExeConfiguration(null); //基本设置 SetConfigAppSetting(ref config, AppSettingKeys.HotKeyMode, radioButton1.Checked ? "1" : "0"); SetConfigAppSetting(ref config, AppSettingKeys.InfoBoxVisible, ckb_InfoBox.Checked ? "1" : "0"); SetConfigAppSetting(ref config, AppSettingKeys.ToolBoxVisible, ckb_ToolBox.Checked ? "1" : "0"); SetConfigAppSetting(ref config, AppSettingKeys.IsCutCursor, ckb_CutCursor.Checked ? "1" : "0"); SetConfigAppSetting(ref config, AppSettingKeys.ZoomBoxVisible, ckb_ZoomBox.Checked ? "1" : "0"); SetConfigAppSetting(ref config, AppSettingKeys.ZoomBoxWidth, tb_zoomBoxWidth.Text); SetConfigAppSetting(ref config, AppSettingKeys.ZoomBoxHeight, tb_zoomBoxHeight.Text); //图片上传 SetConfigAppSetting(ref config, AppSettingKeys.PicDescFieldName, textBox_fieldDesc.Text.Trim()); SetConfigAppSetting(ref config, AppSettingKeys.ImageFieldName, textBox_fieldFile.Text.Trim()); SetConfigAppSetting(ref config, AppSettingKeys.PicDesc, textBox_desc.Text.Trim()); SetConfigAppSetting(ref config, AppSettingKeys.UploadUrl, textBox_uploadUrl.Text.Trim()); SetConfigAppSetting(ref config, AppSettingKeys.DoUpload, checkBox_upload.Checked ? "1" : "0"); //自动保存 SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveToDisk, checkBox_autoSave.Checked ? "1" : "0"); SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveSubDir, chb_subDir.Checked ? "1" : "0"); SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveDirectory, textBox_saveDir.Text.Trim()); SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveFileName1, textBox_fileName1.Text.Trim()); if (comboBox_fileName2.SelectedItem != null) {SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveFileName2, comboBox_fileName2.Text); } else {SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveFileName2, "日期时间"); } if (comboBox_Extn.SelectedItem != null) {SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveFileName3, comboBox_Extn.Text); } else {SetConfigAppSetting(ref config, AppSettingKeys.AutoSaveFileName3, ".jpg"); } config.Save(System.Configuration.ConfigurationSaveMode.Modified); } /// /// /// /// /// private bool SetConfigAppSetting(ref System.Configuration.Configuration config, string key, string value) { try {if (config.AppSettings.Settings[key] != null){ config.AppSettings.Settings[key].Value = value;}else{ config.AppSettings.Settings.Add(key, value);}return true; } catch (Exception ex) {MessageBox.Show(ex.Message + ex.Source + ex.StackTrace);return false; } } /// /// /// /// private string GetConfigAppSetting(ref System.Configuration.Configuration config, string key) { try {if (config.AppSettings.Settings[key] != null){ return config.AppSettings.Settings[key].Value;} } catch (Exception ex) {MessageBox.Show(ex.Message + ex.Source + ex.StackTrace); } return string.Empty; } /// /// /// private void button_cancel_Click(object sender, EventArgs e) { this.Close(); } /// /// /// private void frmSetup_Load(object sender, EventArgs e) { chb_subDir.Text = "启用（按日期命名，格式：" + DateTime.Now.Date.ToString("yyyy_MM_dd") + "）"; Form1 frm = (Form1)Form.FromHandle(frm1Handle); if (frm != null) {//基本设置if (frm.HotKeyMode == 0){ radioButton1.Checked = true; radioButton2.Checked = false;}else{ radioButton1.Checked = false; radioButton2.Checked = true;}ckb_InfoBox.Checked = frm.InfoBoxVisible;ckb_ToolBox.Checked = frm.ToolBoxVisible;ckb_CutCursor.Checked = frm.IsCutCursor;ckb_ZoomBox.Checked = frm.ZoomBoxVisible;//图片上传textBox_fieldDesc.Text = frm.PicDescFieldName;textBox_fieldFile.Text = frm.ImageFieldName;textBox_desc.Text = frm.PicDesc;textBox_uploadUrl.Text = frm.UploadUrl;checkBox_upload.Checked = frm.DoUpload;//自动保存checkBox_autoSave.Checked = frm.AutoSaveToDisk;chb_subDir.Checked = frm.AutoSaveSubDir;textBox_saveDir.Text = frm.AutoSaveDirectory;textBox_fileName1.Text = frm.AutoSaveFileName1;comboBox_fileName2.SelectedItem = frm.AutoSaveFileName2;comboBox_Extn.SelectedItem = frm.AutoSaveFileName3; } } /// /// /// private void button_browse_Click(object sender, EventArgs e) { FolderBrowserDialog fbd = new FolderBrowserDialog(); fbd.Description = "请选择屏幕截图的保存目录："; fbd.ShowNewFolderButton = true; fbd.RootFolder = Environment.SpecialFolder.MyComputer; fbd.SelectedPath = textBox_saveDir.Text; if (fbd.ShowDialog() == System.Windows.Forms.DialogResult.OK) {textBox_saveDir.Text = fbd.SelectedPath; } } /// private void UpdateFileNameExmple() { string AutoSaveFileName2 = string.Empty; if (comboBox_fileName2.SelectedItem != null) {AutoSaveFileName2 = comboBox_fileName2.Text; } string AutoSaveFileName3 = ".jpg"; if (comboBox_Extn.SelectedItem != null) {AutoSaveFileName3 = comboBox_Extn.Text; } switch (AutoSaveFileName2) {case "日期_序号": textBox_exmple.Text = textBox_fileName1.Text + DateTime.Now.ToString("yyyy-MM-dd_") + "0001" + AutoSaveFileName3; break;case "序号": textBox_exmple.Text = textBox_fileName1.Text + "0001" + AutoSaveFileName3; break;default: textBox_exmple.Text = textBox_fileName1.Text + DateTime.Now.ToString("yyyy-MM-dd_HHmmss") + AutoSaveFileName3; break; } } private void comboBox_fileName2_SelectedIndexChanged(object sender, EventArgs e) { UpdateFileNameExmple(); } private void comboBox_Extn_SelectedIndexChanged(object sender, EventArgs e) { UpdateFileNameExmple(); } private void textBox_fileName1_TextChanged(object sender, EventArgs e) { UpdateFileNameExmple(); } // Boolean flag used to determine when a character other than a number is entered. private bool nonNumberEntered = false; private void tb_zoomBoxWidth_KeyDown(object sender, KeyEventArgs e) { // Initialize the flag to false. nonNumberEntered = false; // Determine whether the keystroke is a number from the top of the keyboard. if (e.KeyCode Keys.D9) {// Determine whether the keystroke is a number from the keypad.if (e.KeyCode Keys.NumPad9){ // Determine whether the keystroke is a backspace. if (e.KeyCode != Keys.Back) { // A non-numerical keystroke was pressed. // Set the flag to true and evaluate in KeyPress event. nonNumberEntered = true; }} } //If shift key was pressed, its not a number. if (Control.ModifierKeys == Keys.Shift) {nonNumberEntered = true; } } private void tb_zoomBoxHeight_KeyDown(object sender, KeyEventArgs e) { // Initialize the flag to false. nonNumberEntered = false; // Determine whether the keystroke is a number from the top of the keyboard. if (e.KeyCode Keys.D9) {// Determine whether the keystroke is a number from the keypad.if (e.KeyCode Keys.NumPad9){ // Determine whether the keystroke is a backspace. if (e.KeyCode != Keys.Back) { // A non-numerical keystroke was pressed. // Set the flag to true and evaluate in KeyPress event. nonNumberEntered = true; }} } //If shift key was pressed, its not a number. if (Control.ModifierKeys == Keys.Shift) {nonNumberEntered = true; } } private void tb_zoomBoxWidth_KeyPress(object sender, KeyPressEventArgs e) { // Check for the flag being set in the KeyDown event. if (nonNumberEntered == true) {// Stop the character from being entered into the control since it is non-numerical.e.Handled = true; } } private void tb_zoomBoxHeight_KeyPress(object sender, KeyPressEventArgs e) { // Check for the flag being set in the KeyDown event. if (nonNumberEntered == true) {// Stop the character from being entered into the control since it is non-numerical.e.Handled = true; } } /// /// /// private void tb_zoomBoxWidth_TextChanged(object sender, EventArgs e) { int zoomWidth = Convert.ToInt32(tb_zoomBoxWidth.Text); if (zoomWidth < 120) { zoomWidth = 120; } tb_zoomBoxHeight.Text = ((int)(zoomWidth * 100 / 120)).ToString(); } /// /// /// private void tb_zoomBoxHeight_TextChanged(object sender, EventArgs e) { int zoomHeight = Convert.ToInt32(tb_zoomBoxHeight.Text); if (zoomHeight < 100) { zoomHeight = 100; } tb_zoomBoxWidth.Text = ((int)(zoomHeight * 120 / 100)).ToString(); } }}
