/C#/Accessing form controls from another class c#

Accessing form controls from another class c#

public partial class Form1 : Form
{
//https://stackoverflow.com/questions/12983427/accessing-forms-controls-from-another-class
    // Static form. Null if no form created yet.
    private static Form1 form = null;

    private delegate void EnableDelegate(bool enable);

    public Form1()
    {
        InitializeComponent();
        form = this;
    }

    // Static method, call the non-static version if the form exist.
    public static void EnableStaticTextBox(bool enable)
    {
        if (form != null)
            form.EnableTextBox(enable);
    }

    private void EnableTextBox(bool enable)
    {
        // If this returns true, it means it was called from an external thread.
        if (InvokeRequired)
        {
            // Create a delegate of this method and let the form run it.
            this.Invoke(new EnableDelegate(EnableTextBox), new object[] { enable });
            return; // Important
        }

        // Set textBox
        textBox1.Enabled = enable;
    }
}

Similar codes

4 votes172 views1 answer
ALWAYS MAximize window on start c#
C#
0 vote202 views1 answer
C# list audio devices
C#
0 vote192 views1 answer
C-sharp - get current page url/path/host
C#
2 votes183 views2 answers
Transform widget in flutter
C#
0 vote175 views1 answer
Pyqt send message to another instance
C#
0 vote237 views1 answer
Set dirty a property unity custom inspector
C#Unity
0 vote249 views2 answers
AudioSource unity
C#Unity
5 votes169 views3 answers
List search c#
C#
1 vote214 views1 answer
Unity call function on update once per second
C#
0 vote191 views1 answer
C# if a new program is started
C#