Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace Bai_6_4 { public class GDIPlusDemo: System.Windows.Forms .Form { public GDIPlusDemo() { Text = "GDI+ Demo 6.4"; Size = new Size(240, 250); } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); Graphics g = e.Graphics; g.SmoothingMode = SmoothingMode.AntiAlias; Pen pen = new Pen(Color.Black, 1); int X = 40, Y = 30; //ve elip int w = 150, h = 150; Rectangle rect = new Rectangle(new Point(X - 2, Y), new Size(w, h)); g.DrawEllipse(pen, rect); int X2 = X + 30, Y2 = Y + 35; //ve con mat trai hinh tam giac Point pt1 = new Point(X2 , Y2); Point pt2 = new Point(X2 + 25 , Y2); Point pt3 = new Point(X2 + 11 , Y2 + 20); Point[] points = { pt1, pt2, pt3 }; g.DrawPolygon(pen, points); //ve con mat phai hinh tam giac X2 = X2 + 60; pt1 = new Point(X2 , Y2); pt2 = new Point(X2 + 25 , Y2); pt3 = new Point(X2 + 11 , Y2 + 20); points = new Point [] { pt1, pt2, pt3 }; g.DrawPolygon(pen, points); //ve chiec mui X2 = X + 60; Y2 = Y + 70; pt1 = new Point(X2 + 10 , Y2); pt2 = new Point(X2 + 20 , Y2 + 20); pt3 = new Point(X2 , Y2 + 20); 1 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 points = new Point[] { pt1, pt2, pt3 }; g.DrawPolygon(pen, points); X2 = X + 52; Y2 = Y + 115; //ve mieng g.DrawRectangle(pen, X2, Y2, 40, 20); Y2 = Y2 + 10 ; // ve duong ngang mieng g.DrawLine(pen, new Point ( X2, Y2), new Point ( X2 + 40, Y2)); // ve 7 duong xuong o mieng X2 += 40 / 8; Y2 = Y2 - 10; g.DrawLine(pen, new Point(X2, Y2), new Point(X2, Y2 + 20)); X2 += 40 / 8; g.DrawLine(pen, new Point(X2, Y2), new Point(X2, Y2 + 20)); X2 += 40 / 8; g.DrawLine(pen, new Point(X2, Y2), new Point(X2, Y2 + 20)); X2 += 40 / 8; g.DrawLine(pen, new Point(X2, Y2), new Point(X2, Y2 + 20)); X2 += 40 / 8; g.DrawLine(pen, new Point(X2, Y2), new Point(X2, Y2 + 20)); X2 += 40 / 8; g.DrawLine(pen, new Point(X2, Y2), new Point(X2, Y2 + 20)); X2 += 40 / 8; g.DrawLine(pen, new Point(X2, Y2), new Point(X2, Y2 + 20)); // ve hinh chu nhat o tren dau rect = new Rectangle(new Point(X + 70, Y - 15), new Size(10, 15)); g.DrawRectangle(pen, rect); } static void Main() { Application.Run(new GDIPlusDemo ()); } } } using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; 2 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 using System.Windows.Forms; namespace Bai_6._v2 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); int X = 150, Y = 220; Graphics g = e.Graphics; Font ftd = new Font("Arial", 10, FontStyle.Regular); StringFormat sf = new StringFormat(); float[] ts = { 100, 100, 100, 100 }; sf.SetTabStops(0, ts); string Toa_do = "0\t100\t200\t300\t400\t500"; g.DrawString(Toa_do, ftd, Brushes.Blue, X, Y + 10, sf); int w = 4; Pen pen = new Pen(Color.Blue, 4); Rectangle rect = new Rectangle(new Point(X, Y),new Size (w,w)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 100, Y), new Size(w, w)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 200, Y), new Size(w, w)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 300, Y), new Size(w, w)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 400, Y), new Size(w, w)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 500, Y), new Size(w, w)); g.DrawRectangle(pen, rect); pen = new Pen(Color.Blue, 2); g.DrawLine (pen, new Point (X , Y + 2), new Point (X + 500, Y + 2)); } private void btnVe_Click(object sender, EventArgs e) { if (txtL1.Text != "") { try { uint kt = uint.Parse(txtL1.Text); if (kt > 500) throw new Exception("Nằm trong khoảng 0 - 500!"); } catch (FormatException) { MessageBox.Show("Nhập số! Ohke?", "Thông báo"); txtL1.Clear(); return; } catch (OverflowException) { MessageBox.Show("Số dương! OKe?", "Thông báo"); txtL1.Clear(); 3 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 return; } catch (Exception ex) { MessageBox.Show(ex.Message); txtL1.Clear(); return; } } if (txtL2.Text != "") { try { uint kt = uint.Parse(txtL2.Text); if (kt > 500) throw new Exception("Nằm trong khoảng 0 - 500!"); } catch (FormatException) { MessageBox.Show("Nhập số! Ohke?", "Thông báo"); txtL2.Clear(); return; } catch (OverflowException) { MessageBox.Show("Số dương! OKe?", "Thông báo"); txtL2.Clear(); return; } catch (Exception ex) { MessageBox.Show(ex.Message); txtL2.Clear(); return; } } if (txtL3.Text != "") { try { uint kt = uint.Parse(txtL3.Text); if (kt > 500) throw new Exception("Nằm trong khoảng 0 - 500!"); } catch (FormatException) { MessageBox.Show("Nhập số! Ohke?", "Thông báo"); txtL3.Clear(); return; } catch (OverflowException) { MessageBox.Show("Số dương! OKe?", "Thông báo"); txtL3.Clear(); return; } catch (Exception ex) { 4 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 MessageBox.Show(ex.Message); txtL3.Clear(); return; } } if ((txtL1.Text != "") && (txtL2.Text != "") && (txtL3.Text != "")) { int X = 150, Y = 95; int max = int.Parse (txtL1.Text ); Graphics g = this.CreateGraphics(); Pen pen = new Pen(Color.Blue, 20); g.DrawLine(pen, new Point(X, Y), new Point(max + X, Y)); Y += 50; max = int.Parse(txtL2.Text); pen = new Pen(Color.HotPink , 20); g.DrawLine(pen, new Point(X , Y), new Point(max + X, Y)); Y += 50; max = int.Parse(txtL3.Text); pen = new Pen(Color.Green , 20); g.DrawLine(pen, new Point(X, Y), new Point(max + X, Y)); } else { MessageBox.Show("Chưa nhập đầy đủ thông tin! Oke?","Thông báo"); return; } } private void btnXoa_Click(object sender, EventArgs e) { Invalidate(); txtL1.Clear(); txtL2.Clear(); txtL3.Clear(); } private void Form1_Load(object sender, EventArgs e) { btnXoa_Click(sender, e); } } } 5 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace Bai_6._v2 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private int tempX, tempY; protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); Graphics g = e.Graphics; Font toado = new Font("Arial", 10, FontStyle.Regular); int X = 35, Y = 150; Pen pen = new Pen(Color.Blue, 4); g.DrawString("200", toado, Brushes.Blue, new Point(X, Y)); g.DrawString("150", toado, Brushes.Blue, new Point(X, Y + 50)); g.DrawString("100", toado, Brushes.Blue, new Point(X, Y + 100)); g.DrawString(" 50", toado, Brushes.Blue, new Point(X, Y + 150)); g.DrawString(" 0", toado, Brushes.Blue, new Point(X, Y + 200)); Rectangle rect = new Rectangle(new Point(X + 30, Y), new Size(4, 4)); g.DrawRectangle(pen, rect ); rect = new Rectangle(new Point(X + 30, Y + 50), new Size(4, 4)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 30, Y + 100), new Size(4, 4)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 30, Y + 150), new Size(4, 4)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 30, Y + 200), new Size(4, 4)); g.DrawRectangle(pen, rect); 6 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 Y += 220; X += 20; g.DrawString(" 0", toado, Brushes.Blue, new Point(X, Y)); g.DrawString(" 50", toado, Brushes.Blue, new Point(X + 50, Y)); g.DrawString("100", toado, Brushes.Blue, new Point(X + 100, Y)); g.DrawString("150", toado, Brushes.Blue, new Point(X + 150, Y)); g.DrawString("200", toado, Brushes.Blue, new Point(X + 200, Y)); Y -= 20; X += 30 -20; rect = new Rectangle(new Point(X, Y), new Size(4, 4)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 50, Y), new Size(4, 4)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 100, Y), new Size(4, 4)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 150, Y), new Size(4, 4)); g.DrawRectangle(pen, rect); rect = new Rectangle(new Point(X + 200, Y), new Size(4, 4)); g.DrawRectangle(pen, rect); pen = new Pen (Color.Red , 2); g.DrawLine(pen, new Point(X+2, 140), new Point(X+1, Y)); g.DrawLine(pen, new Point(X, Y+2), new Point(X + 200 +20, Y+2)); tempX = X; tempY = Y; } private void btnVe_Click(object sender, EventArgs e) { if (txtY.Text != "") { try { uint kt = uint.Parse(txtX.Text); if (kt > 200) throw new Exception("Nằm trong khoảng 0 - 200!"); } catch (FormatException) { MessageBox.Show("Nhập số! Ohke?", "Thông báo"); txtX.Clear(); return; } catch (OverflowException) { MessageBox.Show("Số dương! OKe?", "Thông báo"); txtX.Clear(); return; } catch (Exception ex) { MessageBox.Show(ex.Message); txtX.Clear(); return; } } if (txtY.Text != "") { try { uint kt = uint.Parse(txtY.Text); if (kt > 200) 7 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 throw new Exception("Nằm trong khoảng 0 - 200!"); } catch (FormatException) { MessageBox.Show("Nhập số! Ohke?", "Thông báo"); txtY.Clear(); return; } catch (OverflowException) { MessageBox.Show("Số dương! OKe?", "Thông báo"); txtY.Clear(); return; } catch (Exception ex) { MessageBox.Show(ex.Message); txtY.Clear(); return; } } if (txtR.Text != "") { try { uint kt = uint.Parse(txtR.Text); if (kt > 100) throw new Exception("Ban kinh Qua lon!"); } catch (FormatException) { MessageBox.Show("Nhập số! Ohke?", "Thông báo"); txtR.Clear(); return; } catch (OverflowException) { MessageBox.Show("Số dương! OKe?", "Thông báo"); txtR.Clear(); return; } catch (Exception ex) { MessageBox.Show(ex.Message); txtR.Clear(); return; } } if ((txtX.Text != "") && (txtY.Text != "") && (txtR.Text != "")) { int X = int.Parse(txtX.Text), Y = int.Parse(txtY.Text), R = int.Parse(txtR.Text); Graphics g = this.CreateGraphics(); Pen pen = new Pen(Color.Blue, 2); g.DrawEllipse(pen, tempX + X - R, tempY - Y -R, R*2, R*2); } else { 8 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 MessageBox.Show("Chưa nhập đầy đủ thông tin! Oke?", "Thông báo"); return; } } private void btnXoa_Click(object sender, EventArgs e) { Invalidate(); txtR.Clear(); txtX.Clear(); txtY.Clear(); } } } using System; using System.Collections; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace bai6_7 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } int i = 0; string chuoi=null; private ArrayList MyLL = new ArrayList(); private ArrayList MyLL1 = new ArrayList(); private ArrayList MyLL2 = new ArrayList(); private void Form1_MouseDown(object sender, MouseEventArgs e) { i = i + 1; chuoi = i.ToString(); Pen pen = new Pen(Color.Blue, 2); Graphics g = this.CreateGraphics(); g.SmoothingMode = SmoothingMode.AntiAlias; if (mnuvua.Checked == true) { g.DrawRectangle(pen, e.X - 20, e.Y - 20, 40, 40); MyLL.Add(new Point(e.X, e.Y)); 9 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 g.DrawString(chuoi, Font, Brushes.DarkBlue, e.X-5, e.Y-5); } else { g.DrawRectangle(pen, e.X - 15, e.Y - 15, 30, 30); MyLL1.Add(new Point(e.X, e.Y)); g.DrawString(chuoi, Font, Brushes.DarkBlue, e.X-5, e.Y-5); } MyLL2.Add(new Point(e.X, e.Y)); } private void mnunho_Click(object sender, EventArgs e) { mnunho.Checked = true; mnuvua.Checked = false; } private void mnuvua_Click(object sender, EventArgs e) { mnuvua.Checked = true; mnunho.Checked = false; } private void Form1_Load(object sender, EventArgs e) { mnunho.Checked = true; } private void Form1_MinimumSizeChanged(object sender, EventArgs e) { Invalidate(); } private void Form1_Paint(object sender, PaintEventArgs e) { Graphics g=e.Graphics; Pen pen = new Pen(Color.Blue, 2); foreach (Point pt in MyLL) { g.DrawRectangle(pen, pt.X - 20, pt.Y - 20, 40, 40); } foreach (Point pt1 in MyLL1) { g.DrawRectangle(pen, pt1.X - 15, pt1.Y - 15, 30, 30); } int i = 0; string chuoi; foreach (Point pt2 in MyLL2) { i = i + 1; chuoi = i.ToString(); g.DrawString(chuoi, Font, Brushes.DarkBlue, pt2.X - 5, pt2.Y - 5); } } private void mnuxoa_Click(object sender, EventArgs e) { MyLL.Clear(); MyLL1.Clear(); MyLL2.Clear(); i = 0; mnunho_Click(sender, e); Invalidate(); } } 10 [...]...Bài tập lập trình Windows Form C# - Visual Studio NET 2005 } using using using using using System; System.Collections; System.Drawing; System.Drawing.Drawing2D; System.Windows.Forms; namespace bai6 _7 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } int i = 0; string chuoi=null;... e.Y+15); } else { pen.DashStyle = DashStyle.Dash; Rectangle rect = new Rectangle(new Point(e.X, e.Y), new Size(40, 40)); g.DrawEllipse(pen, rect); MyLL1.Add(new Point(e.X, e.Y)); 11 Bài tập lập trình Windows Form C# - Visual Studio NET 2005 g.DrawString(chuoi, Font, Brushes.DarkBlue, e.X+15, e.Y+15); } MyLL2.Add(new Point (e.X, e.Y) ); } private void mnunho_Click(object sender, EventArgs e) { menuNet_lientuc.Checked . Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace Bai_ 6_4 { public class. System.Drawing; using System.Drawing.Drawing2D; 2 Bài tập lập trình Windows Form C# - Visual Studio .NET 2005 using System.Windows.Forms; namespace Bai_ 6._v2 { public partial class Form1 : Form { public. trình Windows Form C# - Visual Studio .NET 2005 using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace Bai_ 6._v2 {