Source code: https://github.com/Meragon/Unity-WinF...
A Windows Forms port (including System.Drawing) to Unity3d, built on top of 'UnityEngine.GUI' class.
Supported Controls
Button; - CheckBox; - ComboBox; - DateTimePicker; - FontDialog;
Form; - GroupBox; - HScrollBar; - Label; - LinkLabel; - ListBox;
MenuStrip; - MonthCalendar; - NumericUpDown - OpenFileDialog;
Panel; - PictureBox; - ProgressBar; - RadioButton; - SaveFileDialog;
SplitContainer; - TabControl; - TextBox; - Timer; - ToolStrip;
ToolTip; - TrackBar; - TreeView; - VScrollBar;
Additional custom controls:
BitmapLabel; - ColorPicker (replacement for ColorDialog);
Highchart (replacement for Chart); - RepeatButton;
TableView (replacement for DataGridView);