C# Setting步骤一:打开项目属性窗口,切换到设置(Settings)标签,

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如下图添加属性
Name Type Scope Value
WindowLocation System.Drawing.Point User 0,0
WindowSize System.Drawing.Size User 300,300
C# Setting步骤二:
在要保存状态的窗体代码头部添加代码
using UserSettingsDemo.Properties;
在窗体的FormLoad事件中添加以下代码:
- private void FormMain_Load(object sender, EventArgs e)
 - {
 - // Set window location
 - if (Settings.Default.WindowLocation != null)
 - {
 - this.Location = Settings.Default.WindowLocation;
 - }
 - // Set window size
 - if (Settings.Default.WindowSize != null)
 - {
 - this.Size = Settings.Default.WindowSize;
 - }
 - }
 
C# Setting步骤三:
在窗体的FormClosing事件中添加如下代码:
- private void FormMain_FormClosing(object sender, FormClosingEventArgs e)
 - {
 - // Copy window location to app settings
 - Settings.Default.WindowLocation = this.Location;
 - // Copy window size to app settings
 - if (this.WindowState == FormWindowState.Normal)
 - {
 - Settings.Default.WindowSize = this.Size;
 - }
 - else
 - {
 - Settings.Default.WindowSize = this.RestoreBounds.Size;
 - }
 - // Save settings
 - Settings.Default.Save();
 - }
 
以上是原作者写的,窗体最小化后在任务栏右键关闭窗体,再次打开窗体会有点问题
- private void frmMain_FormClosing(object sender, FormClosingEventArgs e)
 - {
 - // Copy window location to app settings
 - Settings.Default.WindowLocation = this.Location;
 - // Copy window size to app settings
 - if (this.WindowState == FormWindowState.Normal)
 - {
 - if (this.Size.Width != 0 && this.Size.Height != 0)
 - {
 - Settings.Default.WindowSize = this.Size;
 - }
 - }
 - else
 - {
 - if (this.RestoreBounds.Size.Width != 0 && this.RestoreBounds.Size.Height != 0)
 - {
 - Settings.Default.WindowSize = this.RestoreBounds.Size;
 - }
 - }
 - // Save settings
 - if(this.WindowState!=FormWindowState.Minimized)
 - Settings.Default.Save();
 - }
 
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