C# application data folder(取得本機非漫遊使用者的應用程式資料路徑。)

C# application data folder(取得本機非漫遊使用者的應用程式資料路徑。)

C# application data folder(取得本機非漫遊使用者的應用程式資料路徑。)


 

 

資料來源:https://msdn.microsoft.com/zh-tw/library/system.windows.forms.application.localuserappdatapath(v=vs.110).aspx



Code

private MyApplicationContext() {
    formCount = 0;
 
    // Handle the ApplicationExit event to know when the application is exiting.
    Application.ApplicationExit += new EventHandler(this.OnApplicationExit);
 
    try {
        // Create a file that the application will store user specific data in.
        userData = new FileStream(Application.UserAppDataPath + "\\appdata.txt", FileMode.OpenOrCreate);
 
    } catch(IOException e) {
        // Inform the user that an error occurred.
        MessageBox.Show("An error occurred while attempting to show the application." + 
                        "The error is:" + e.ToString());
 
        // Exit the current thread instead of showing the windows.
        ExitThread();
    }
 
    // Create both application forms and handle the Closed event
    // to know when both forms are closed.
    form1 = new AppForm1();
    form1.Closed += new EventHandler(OnFormClosed);            
    form1.Closing += new CancelEventHandler(OnFormClosing);            
    formCount++;
 
    form2 = new AppForm2();
    form2.Closed += new EventHandler(OnFormClosed);            
    form2.Closing += new CancelEventHandler(OnFormClosing);            
    formCount++;
 
    // Get the form positions based upon the user specific data.
    if (ReadFormDataFromFile()) {
        // If the data was read from the file, set the form
        // positions manually.
        form1.StartPosition = FormStartPosition.Manual;
        form2.StartPosition = FormStartPosition.Manual;
 
        form1.Bounds = form1Position;
        form2.Bounds = form2Position;
    }
 
    // Show both forms.
    form1.Show();
    form2.Show();
}
 
privatevoid OnApplicationExit(object sender, EventArgs e) {
    // When the application is exiting, write the application data to the
    // user file and close it.
    WriteFormDataToFile();
 
    try {
        // Ignore any errors that might occur while closing the file handle.
        userData.Close();
    } catch {}
}

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