. NET reflection System. Drawing. Color struct,

. NET reflection System. Drawing. Color struct,

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1 using System; 2 using System. collections. generic; 3 using System. componentModel; 4 using System. data; 5 using System. drawing; // position of the Color struct; 6 using System. linq; 7 using System. text; 8 using System. threading. tasks; 9 using System. windows. forms; 10 using System. reflection; // Reflection must reference this namespace 11 12 namespace ReflectColorStructDemo13 {14 public partial class MainForm: Form15 {16 // form initialization 17 public MainForm () 18 {19 InitializeComponent (); 20 21 this. location = new Point (0, 0); // The Screen coordinate is 22 in the upper left corner of the form. this. size = SystemInformation. workingArea. size; // form Size, you need to modify the StartPosition attribute of the form to Manual, that is, manually 23 24 // the first time the form is loaded event processing method: Lambda syntax 25 this. load + = (object sender, EventArgs e) => 26 {27 Type type = typeof (Color); 28 PropertyInfo [] propertyInfo = type. getProperties (BindingFlags. public | BindingFlags. static); // obtain all the public and Static Color types. Property 29 30 int x, y, w, h, index; 31 32 x = 2; // initial x coordinate 33 y = 2; // initial y coordinate 34 w = 87; // The width of the Label control added to the Panel is 35 h = 65; // height 36 37 index = 0; // counter, the number of elements in the propertyInfo array is 38 39 int col = 15. // The number of columns is 40 int line = propertyInfo. length % col> 0? PropertyInfo. length/col + 1: propertyInfo. length/col; // number of rows 41 42 // the outer loop control row 43 for (int I = 0; I <line; I ++) 44 {45 // The inner loop control column 46 for (int j = 0; j <col & index <propertyInfo. length; j ++) 47 {48 Label label = new Label (); 49 label. location = new Point (x, y); 50 label. size = new Size (w, h); 51 52 label. backColor = Color. fromName (propertyInfo [index]. name); // set the Label control background color 53 54 label. text = string. concat (index + 1 ). toString (), '\ n', propertyInfo [index]. name); // explicit text 55 56 x + = w + 2; // x coordinate shift 57 index ++; // counter auto increment 58 59 this. panel1.Controls. add (label); // Add a new label to the Panel. Add a Panel control to the form and fill in the Form 60} 61 62 x = 2. // After the inner layer loops, return x coordinate 63 y + = h + 2; // y coordinate move down, 2 indicates control spacing 64} 65}; 66} 67} 68}

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