Gets or sets the starting position of the form at run time.
[Visual Basic] Public Property StartPosition As FormStartPosition [C#] public FormStartPosition StartPosition {get; set;} [C++] public: __property FormStartPosition get_StartPosition(); public: __property void set_StartPosition(FormStartPosition); [JScript] public function get StartPosition() : FormStartPosition; public function set StartPosition(FormStartPosition);
A FormStartPosition that represents the starting position of the form.
This property enables you to set the starting position of the form when it is displayed at run time. The form can be displayed manually or in the default location specified by Windows. You can also position the form to display in the center of the screen or in center of its parent form for forms such as multiple document interface (MDI) child forms.
The following example creates a new instance of a Form and calls the ShowDialog method to display the form as a dialog box. The example sets the BorderStyle, AcceptButton, CancelButton, and StartPosition properties to change the appearance and functionality of the form to a dialog box. The example also sets uses the System.WinForms.Form.Controls.Add method of the form's Controls collection to add two Button controls. The example uses the HelpButton property to display a help button in the caption bar of the dialog box.
[C#]
public void CreateMyForm() { // Create a new instance of the form. Form form1 = new Form(); // Create two buttons to use as the accept and cancel buttons. Button button1 = new Button (); Button button2 = new Button (); // Set the text of button1 to "OK". button1.Text = "OK"; // Set the position of the button on the form. button1.Location = new Point (10, 10); // Set the text of button2 to "Cancel". button2.Text = "Cancel"; // Set the position of the button based on the location of button1. button1.Location = new Point (button1.Left, button1.Height + button1.Top + 10); // Set the caption bar text of the form. form1.Text = "My Dialog Box"; // Display a help button on the form. form1.HelpButton = true; // Define the border style of the form to a dialog box. form1.BorderStyle = FormBorderStyle.FixedDialog // Set the accept button of the form to button1. form1.AcceptButton = button1; // Set the cancel button of the form to button2. form1.CancelButton = button2; // Set the start position of the form to the center of the screen. form1.StartPosition = FormStartPosition.CenterScreen; // Add button1 to the form. form1.Controls.Add(button1); // Add button2 to the form. form1.Controls.Add(button2); // Display the form as a modal dialog box. form1.ShowDialog(); }
Form Class | Form Members | System.WinForms Namespace | FormStartPosition