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Form.ControlCollection.Add Method

Adds a control to the form.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public override void Add(
	Control value
)

Parameters

value
Type: System.Windows.Forms.Control

The Control to add to the form.

ExceptionCondition
Exception

A multiple document interface (MDI) parent form cannot have controls added to it.

You can use this method to add controls to the form. If you want to add a group of already created controls to the form, use the Control.ControlCollection.AddRange method of the Control.ControlCollection class.

The following code example adds a TextBox and Label control to the control collection of a form. The example requires that a form has been created and named Form1.

public void AddMyControls()
 {
    TextBox textBox1 = new TextBox();
    Label label1 = new Label();

    // Initialize the controls and their bounds.
    label1.Text = "First Name";
    label1.Location = new Point(48,48);
    label1.Size = new Size (104, 16);
    textBox1.Text = "";
    textBox1.Location = new Point(48, 64);
    textBox1.Size = new Size(104,16);

    // Add the TextBox control to the form's control collection.
    Controls.Add(textBox1);
    // Add the Label control to the form's control collection.
    Controls.Add(label1);
 }
 

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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