Gets or sets a value indicating whether an icon is displayed in the caption bar of the form.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The property contains a Boolean value that indicates whether the form's Icon is displayed in the caption bar of the form. If the ControlBox property is false, both the icon and control box will be suppressed.
If is false when the primary form is shown, a generic icon will be displayed in the taskbar button for the application.