C# Form.ShowDialog方法代码示例

 public void ShowForm(Form form)
 {
     var activeForm = FormHelper.GetActiveForm();
     if (activeForm != null)
     {
         activeForm.BeginInvoke(new Action(() => form.ShowDialog(activeForm)));
     }
     else
     {
         form.ShowDialog();
     }
 }

        public static DialogResult ShowDialog(Form parent, Form dialog)
        {
            //Enabled = false;
            Form shadow = new Form();
            shadow.MinimizeBox = false;
            shadow.MaximizeBox = false;
            shadow.ControlBox = false;

            shadow.Text = "";
            shadow.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
            //shadow.Size = Size;
            shadow.BackColor = Color.Black;
            shadow.Opacity = 0.3;
            shadow.ShowInTaskbar = false;
            shadow.WindowState = FormWindowState.Maximized;
            shadow.Show();
            //shadow.Location = Location;
            shadow.Enabled = false;

            var mask = new frmOpacity(parent, dialog);
            dialog.StartPosition = FormStartPosition.CenterParent;
            //mask.Show();
            var result = dialog.ShowDialog(mask);
            mask.Close();
            shadow.Close();
            return result;
        }

 // PVZ kitom skiltim
 private void apieToolStripMenuItem_Click(object sender, EventArgs e)
 {
     using (Form form = new Form())
     {
         form.Text = apieToolStripMenuItem.Text;
         form.ClientSize = new System.Drawing.Size(1000, 500);
         form.MinimumSize = new System.Drawing.Size(1000, 500);
         RichTextBox about = new RichTextBox();
         about.Dock = DockStyle.Fill;
         about.Font = new System.Drawing.Font("Microsoft Sans Serif", 11.25F);
         about.Location = new System.Drawing.Point(4, 4);
         about.ReadOnly = true;
         about.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.Vertical;
         if (apieToolStripMenuItem.Text == "Apie")
         {
             about.Text = Alfredas.Properties.Resources.AboutLT;
         }
         else if (apieToolStripMenuItem.Text == "About")
         {
             about.Text = Alfredas.Properties.Resources.AboutEN;
         }
         else if (apieToolStripMenuItem.Text == "Описание")
         {
             about.Text = Alfredas.Properties.Resources.AboutRU;
         }
         form.Controls.Add(about);
         form.ShowDialog();
     }
 }

        private void FileNew_menuitem_Click(object sender, EventArgs e)
        {
            string newFileName = "";

            Form form = new Form();
            form.Width = 500;
            form.Height = 150;
            form.FormBorderStyle = FormBorderStyle.FixedDialog;
            form.Text = "New Wizard Project File";
            form.StartPosition = FormStartPosition.WindowsDefaultLocation;
            Label textLabel = new Label() { Left = 50, Top = 20, Text = "Name:" };
            TextBox textBox = new TextBox() { Left = 50, Top = 50, Width = 400 };
            Button confirmation = new Button() { Text = "Ok", Left = 350, Width = 100, Top = 70, DialogResult = DialogResult.OK };
            confirmation.Click += (formsender, forme) => { newFileName = textBox.Text; form.Close(); };
            form.Controls.Add(textBox);
            form.Controls.Add(confirmation);
            form.Controls.Add(textLabel);
            form.AcceptButton = confirmation;

            DialogResult result = form.ShowDialog();

            if(DialogResult.OK == result) // Create new file
            {
                _CreateNewMasterFile(newFileName);
            }
            form.Close();
        }

        private void viewLoadingScreenB_Click(object sender, EventArgs e)
        {
            Form loadinScreenForm = new Form();
            loadinScreenForm.AutoScroll = true;
            loadinScreenForm.StartPosition = FormStartPosition.CenterScreen;
            loadinScreenForm.ShowIcon = false;
            loadinScreenForm.ShowInTaskbar = false;
            loadinScreenForm.MinimizeBox = false;
            loadinScreenForm.MaximizeBox = false;
            loadinScreenForm.FormBorderStyle = FormBorderStyle.FixedDialog;

            Bitmap topLeft = DHRC.GetTgaImage("LoadingScreenTL.tga");
            Bitmap topRight = DHRC.GetTgaImage("LoadingScreenTR.tga");
            Bitmap bottomLeft = DHRC.GetTgaImage("LoadingScreenBL.tga");
            Bitmap bottomRight = DHRC.GetTgaImage("LoadingScreenBR.tga");

            Bitmap bmp = new Bitmap(topLeft.Width + topRight.Width, topLeft.Height + bottomLeft.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            Graphics g = Graphics.FromImage(bmp);

            g.DrawImageUnscaled(topLeft, 0, 0);
            g.DrawImageUnscaled(topRight, topLeft.Width, 0);
            g.DrawImageUnscaled(bottomLeft, 0, topLeft.Height);
            g.DrawImageUnscaled(bottomRight, topLeft.Width, topLeft.Height);

            loadinScreenForm.BackgroundImage = bmp;
            loadinScreenForm.BackgroundImageLayout = ImageLayout.None;
            loadinScreenForm.ClientSize = bmp.Size;

            loadinScreenForm.ShowDialog();
        }

		public static void ShowDialog( string Header, string Message )
		{
			Form Dialog = new Form();

			Dialog.Width			= 400;
			Dialog.Height			= 120;
			Dialog.Text				= Header;
			Dialog.FormBorderStyle	= FormBorderStyle.FixedDialog;

			Label LabelMessage = new Label() 
			{ 
				//Left		= 0, 
				//Top		= 0, 
				Width		= Dialog.Width,
				Height		= Dialog.Height / 2,
				Text		= Message, 
				TextAlign	= ContentAlignment.MiddleCenter,
				Font		= new Font( SystemFonts.MessageBoxFont.FontFamily.Name, 12.0f, FontStyle.Bold, GraphicsUnit.Point ) 
			};

			LabelMessage.TextAlign = ContentAlignment.MiddleCenter;

			Button ButtonOK = new Button() { Text = "OK", Left = Dialog.Width - 100, Width = 80, Top = Dialog.Height - 70 };

			ButtonOK.Click += ( sender, e ) => { Dialog.Close(); };

			Dialog.Controls.Add( ButtonOK );
			Dialog.Controls.Add( LabelMessage );
			Dialog.ShowDialog();
		}

 public MainForm()
 {
     InitializeComponent();
     frmObj = new login();
     frmObj.ShowDialog();
     LoadMenu();
 }

        public static DialogResult Show(string text, string head)
        {
            form1.Dispose();
            form1 = new Form();
            InitializeComponent();

            if (form1.ParentForm == null)
                form1.StartPosition = FormStartPosition.CenterScreen;

            label1.Location = new Point(12, label1.Location.Y);

            btnNames = AsignButtons(buttons);

            form1.Text = head;
            label1.Text = text;
            FormAutoHeigh();

            CenterButtons(btnNames.Length);

            MakeButtons(btnNames, selNoBtn);
            AddSound(icon);

            DialogResult rez = form1.ShowDialog();
            form1.Dispose();
            return rez;
        }

		public void Activated_Dialog ()
		{
			if (TestHelper.RunningOnUnix)
				Assert.Ignore ("#4 fails");

			_form = new DelayedCloseForm ();
			EventLogger logger = new EventLogger (_form);
			_form.ShowInTaskbar = false;
			Assert.AreEqual (0, logger.CountEvents ("Activated"), "#1");
			_form.Activate ();
			Assert.AreEqual (0, logger.CountEvents ("Activated"), "#2");
			_form.ShowDialog ();
			Assert.AreEqual (1, logger.CountEvents ("Activated"), "#3");
			_form.ShowDialog ();
			Assert.AreEqual (2, logger.CountEvents ("Activated"), "#4");
		}

        public void EnhancedListViewTest()
        {
            // To generate code for this test, select "Generate Code for Coded UI Test" from the shortcut menu and select one of the menu items.
            // For more information on generated code, see http://go.microsoft.com/fwlink/?LinkId=179463
            using (var frm = new Form())
            {
                using (var lv = new EnhancedListView { Dock = DockStyle.Fill, View = View.Details })
                {
                    for (int j = 0; j < 4; j++)
                    {
                        lv.Columns.Add(j.ToString());
                    }

                    for (int i = 0; i < 1000; i++)
                    {
                        var item = new ListViewItem(i.ToString());
                        for (int j = 0; j < 4; j++)
                        {
                            item.SubItems.Add(j.ToString());
                        }

                        lv.Items.Add(item);
                    }

                    frm.Controls.Add(lv);
                    frm.ShowDialog();
                }
            }
        }

        public void ToBitmapGrayScale()
        {
            Mat img = new Mat(FilePath.Lenna511, LoadMode.GrayScale); // width % 4 != 0

            Bitmap bitmap = BitmapConverter2.ToBitmap(img);
            // Bitmap bitmap = img.ToBitmap();

            using (var form = new Form())
            using (var pb = new PictureBox())
            {
                pb.Image = bitmap;
                var size = new System.Drawing.Size(bitmap.Width, bitmap.Height);
                pb.ClientSize = size;
                form.ClientSize = size;
                form.Controls.Add(pb);
                form.KeyPreview = true;
                form.KeyDown += (sender, args) =>
                {
                    if (args.KeyCode.HasFlag(Keys.Enter))
                        ((Form)sender).Close();
                };
                form.Text = "Grayscale Mat to Bitmap Test";

                form.ShowDialog();
            }
        }

 private void listView1_DoubleClick(object sender, EventArgs e)
 {
     Form f = new Form();
     ListView lv = new ListView();
     lv.Columns.Add("Value", 500);
     foreach (string item in listView1.SelectedItems[0].SubItems[1].Text.Split(';'))
     {
         lv.Items.Add(item);
     }
     lv.DoubleClick += (sender2, e2) =>
         {
             ListView lv2 = (ListView)sender2;
             string path = lv2.SelectedItems[0].Text;
             if (!System.IO.Directory.Exists(path))
             {
                 return;
             }
             System.Diagnostics.Process.Start("explorer.exe", path);
         };
     lv.View = View.Details;
     lv.Dock = DockStyle.Fill;
     f.Controls.Add(lv);
     f.Text = listView1.SelectedItems[0].Text;
     f.ShowDialog();
 }

        public static void CreateForm(string msg)
        {
            Form frm = new Form();
            frm.MaximizeBox = false;
            frm.MinimizeBox = false;
            frm.Width = 800;
            frm.Text = "Exception";
            frm.ShowIcon = false;
            frm.StartPosition = FormStartPosition.CenterScreen;
            frm.FormBorderStyle = FormBorderStyle.Sizable;

            TextBox edt = new TextBox();
            edt.Multiline = true;
            edt.Dock = DockStyle.Fill;
            edt.ReadOnly = true;
            edt.Cursor = Cursors.Default;
            //edt.ScrollBars = ScrollBars.Horizontal;
            //edt.WordWrap = false;
            edt.Text = msg;
            edt.SelectionStart =0;
            //edt.SelectionStart = edt.Lines[0].Length + 5;
            //edt.SelectionLength = edt.Lines[1].Length - 4;

            frm.Controls.Add(edt);

            frm.ShowDialog();
        }

        static void CreateForm()
        {
            Form form = new Form();
            DataGridView grid = new DataGridView();
            form.Controls.Add(grid);
            grid.Dock = DockStyle.Fill;

            // Create an instance of the PowerShell class.
            // This takes care of all building all of the other
            // data structures needed...
            PowerShell powershell = PowerShell.Create().AddCommand("get-process").AddCommand("sort-object").AddArgument("ID");
            if (Runspace.DefaultRunspace == null)
            {
                Runspace.DefaultRunspace = powershell.Runspace;
            }

            Collection<PSObject> results = powershell.Invoke();

            // The generic collection needs to be re-wrapped in an ArrayList
            // for data-binding to work...
            ArrayList objects = new ArrayList();
            objects.AddRange(results);

            // The DataGridView will use the PSObjectTypeDescriptor type
            // to retrieve the properties.
            grid.DataSource = objects;

            form.ShowDialog();
        }

        public static string ShowDialog(string text, string caption, string value, bool isPassword)
        {
            Form prompt = new Form();
            prompt.Width = 264;
            prompt.Height = 140;
            prompt.Text = caption;
            Label textLabel = new Label() { Left = 12, Top = 22, Text = text, Width = 210 };
            TextBox textBox = new TextBox() { Text = value, Left = 12, Top = 52, Width = 230 };
            if (isPassword)
            {
                textBox = new TextBox() { Text = value, Left = 12, Top = 52, Width = 230, PasswordChar = '*' };
            }
            else
            {
                textBox = new TextBox() { Text = value, Left = 12, Top = 52, Width = 230 };
            }

            textBox.Focus();
            textBox.KeyDown += (sender, e) =>
            {
                if (e.KeyValue != 13)
                    return;

                prompt.Close();
            };
            Button confirmation = new Button() { Text = "Ok", Left = 142, Width = 100, Top = 78 };
            confirmation.Click += (sender, e) => { prompt.Close(); };
            prompt.Controls.Add(confirmation);
            prompt.Controls.Add(textLabel);
            prompt.Controls.Add(textBox);
            prompt.StartPosition = FormStartPosition.CenterParent;
            prompt.ShowDialog();
            return textBox.Text;
        }