C# Control.Select方法代码示例

        public bool ActivateControl(Control ctrl)
        {
            if (Controls.Contains(ctrl))
            {
                ctrl.Select();
                activeControl = ctrl;
                return true;
            }

            return false;
        }

 public static void AfterAllClear(Control rate, Control pokemonNames)
 {
     if (Settings.Default.NoInputRate) {
         pokemonNames.BeginInvoke((MethodInvoker)(() => {
             pokemonNames.Select();
         }));
     } else {
         rate.BeginInvoke((MethodInvoker)(() => {
             rate.Select();
         }));
     }
 }

 internal static bool IsCommand(Control tb) {
     if (tb.Text.Trim().Length != 0)
         return true;
     tb.Select();
     return false;
 }

 internal static bool FileExists(Control tb) {
     if (File.Exists(tb.Text))
         return true;
     tb.Select();
     return false;
 }

		public bool SelectNextControl(Control ctl, bool forward, bool tabStopOnly, bool nested, bool wrap) {
			Control c;

#if DebugFocus
			Console.WriteLine("{0}", this.FindForm());
			printTree(this, "\t");
#endif

			if (!this.Contains(ctl) || (!nested && (ctl.parent != this))) {
				ctl = null;
			}
			c = ctl;
			do {
				c = GetNextControl(c, forward);
				if (c == null) {
					if (wrap) {
						wrap = false;
						continue;
					}
					break;
				}

#if DebugFocus
				Console.WriteLine("{0} {1}", c, c.CanSelect);
#endif
				if (c.CanSelect && ((c.parent == this) || nested) && (c.tab_stop || !tabStopOnly)) {
					c.Select (true, true);
					return true;
				}
			} while (c != ctl); // If we wrap back to ourselves we stop

			return false;
		}

 private static void SelectNextActiveControl(Control ctl, bool forward, bool tabStopOnly, bool nested, bool wrap)
 {
     ContainerControl control = ctl as ContainerControl;
     if (control != null)
     {
         bool flag = true;
         if (control.ParentInternal != null)
         {
             IContainerControl containerControlInternal = control.ParentInternal.GetContainerControlInternal();
             if (containerControlInternal != null)
             {
                 containerControlInternal.ActiveControl = control;
                 flag = containerControlInternal.ActiveControl == control;
             }
         }
         if (flag)
         {
             ctl.SelectNextControl(null, forward, tabStopOnly, nested, wrap);
         }
     }
     else
     {
         ctl.Select();
     }
 }

		public void EnterLeaveFocusEventTest ()
		{
			if (TestHelper.RunningOnUnix) {
				Assert.Ignore ("Relies on form.Show() synchronously generating WM_ACTIVATE");
			}

			Form f = new Form();
			f.ShowInTaskbar = false;

			f.Name = "Form1";
			ContainerControl cc0 = new ContainerControl();
			cc0.Name = "ContainerControl 0";
			ContainerControl cc1 = new ContainerControl();
			cc1.Name = "ContainerControl 1";
			ContainerControl cc2 = new ContainerControl();
			cc2.Name = "ContainerControl 2";
			Control c1 = new Control();
			c1.Name = "Control 1";
			Control c2 = new Control();
			c2.Name = "Control 2";

			connect(f);
			connect(cc0);
			connect(cc1);
			connect(cc2);
			connect(c1);
			connect(c2);

			cc0.Controls.Add(cc1);
			cc0.Controls.Add(cc2);
			cc1.Controls.Add(c1);
			cc2.Controls.Add(c2);

			f.Controls.Add(cc0);

			sb = new StringBuilder ();
			f.Show ();
			c1.Select();

			Assert.AreEqual (@"OnEnter: ContainerControl 0 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 1 System.Windows.Forms.ContainerControl
OnEnter: Control 1 System.Windows.Forms.Control
OnGotFocus: Control 1 System.Windows.Forms.Control
",
					 sb.ToString (), "1");

			sb.Length = 0;
			c2.Select();
			Assert.AreEqual (@"OnLeave: Control 1 System.Windows.Forms.Control
OnLeave: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidating: Control 1 System.Windows.Forms.Control
OnValidated: Control 1 System.Windows.Forms.Control
OnValidating: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidated: ContainerControl 1 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 2 System.Windows.Forms.ContainerControl
OnEnter: Control 2 System.Windows.Forms.Control
OnLostFocus: Control 1 System.Windows.Forms.Control
OnGotFocus: Control 2 System.Windows.Forms.Control
",
					 sb.ToString (), "2");

			sb.Length = 0;
			cc1.Select();
			Assert.AreEqual (@"OnLeave: Control 2 System.Windows.Forms.Control
OnLeave: ContainerControl 2 System.Windows.Forms.ContainerControl
OnValidating: Control 2 System.Windows.Forms.Control
OnValidated: Control 2 System.Windows.Forms.Control
OnValidating: ContainerControl 2 System.Windows.Forms.ContainerControl
OnValidated: ContainerControl 2 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 1 System.Windows.Forms.ContainerControl
OnLostFocus: Control 2 System.Windows.Forms.Control
OnGotFocus: ContainerControl 1 System.Windows.Forms.ContainerControl
",
					 sb.ToString (), "3");

			sb.Length = 0;
			cc2.Select();
			Assert.AreEqual (@"OnLeave: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidating: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidated: ContainerControl 1 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 2 System.Windows.Forms.ContainerControl
OnLostFocus: ContainerControl 1 System.Windows.Forms.ContainerControl
OnGotFocus: ContainerControl 2 System.Windows.Forms.ContainerControl
",
					 sb.ToString (), "4");

			Assert.IsNull (cc2.ActiveControl, "5");

			sb.Length = 0;
			c2.Select();
			Assert.AreEqual (@"OnEnter: Control 2 System.Windows.Forms.Control
OnLostFocus: ContainerControl 2 System.Windows.Forms.ContainerControl
OnGotFocus: Control 2 System.Windows.Forms.Control
",
					 sb.ToString (), "6");

			sb.Length = 0;
			cc1.Select();
			Assert.AreEqual (@"OnLeave: Control 2 System.Windows.Forms.Control
OnLeave: ContainerControl 2 System.Windows.Forms.ContainerControl
//.........这里部分代码省略.........

		/// <summary>
		/// Create and install an object to fill the content area of the window, after asking the current
		/// content object if it is willing to go away.
		/// </summary>
		protected void ChangeContentObjectIfPossible(string contentAssemblyPath, string contentClass, XmlNode contentClassNode)
		{
			// This message often gets sent twice with the same values during startup. We save a LOT of time if
			// we don't throw one copy away and make another.
			if (m_mainContentControl != null && contentAssemblyPath == m_lastContentAssemblyPath
				&& contentClass == m_lastContentClass && contentClassNode == m_lastContentClassNode)
			{
				return;
			}


			if (m_mainContentControl != null)
			{
				// First, see if the existing content object is ready to go away.
				if (!MainContentControlAsIxCoreContentControl.PrepareToGoAway())
					return;

				PropertyTable.SetProperty("currentContentControlObject", null, false);
				PropertyTable.SetPropertyPersistence("currentContentControlObject", false);

				m_mediator.RemoveColleague(MainContentControlAsIxCoreColleague);
				foreach (IxCoreColleague icc in MainContentControlAsIxCoreColleague.GetMessageTargets())
					m_mediator.RemoveColleague(icc);

				// Dispose the current content object.
				//m_mainContentControl.Hide();
				//m_secondarySplitContainer.SecondControl = m_mainContentPlaceholderPanel;
				// Hide the first pane for sure so that MultiPane's internal splitter will be set
				// correctly.  See LT-6515.
				m_mediator.PropertyTable.SetProperty("ShowRecordList", false, false);
				m_secondarySplitContainer.Panel1Collapsed = true;
				m_mainContentControl.Dispose(); // before we create the new one, it inactivates the Clerk, which the new one may want active.
				m_mainContentControl = null;
			}

			m_lastContentAssemblyPath = contentAssemblyPath;
			m_lastContentClass = contentClass;
			m_lastContentClassNode = contentClassNode;

			if (contentAssemblyPath != null)
			{
				// create the new content object
				try
				{
					m_secondarySplitContainer.Panel2.SuspendLayout();
					Control mainControl = (Control)DynamicLoader.CreateObject(contentAssemblyPath, contentClass);
					if (!(mainControl is IxCoreContentControl))
					{
						m_mainSplitContainer.SecondControl = m_mainContentPlaceholderPanel;
						throw new ApplicationException("XCore can only handle main controls which implement IxCoreContentControl. " + contentClass + " does not.");
					}
					mainControl.SuspendLayout();
					m_mainContentControl = mainControl;
					m_mainContentControl.Dock = System.Windows.Forms.DockStyle.Fill;
					m_mainContentControl.AccessibleDescription = "XXXXXXXXXXXX";
					m_mainContentControl.AccessibleName = contentClass;
					m_mainContentControl.TabStop = true;
					m_mainContentControl.TabIndex = 1;
					XmlNode parameters = null;
					if (contentClassNode != null)
						parameters = contentClassNode.SelectSingleNode("parameters");
					m_secondarySplitContainer.SetSecondCollapseZone(parameters);
					MainContentControlAsIxCoreColleague.Init(m_mediator, parameters);
					// We don't want it or any part of it drawn until we're done laying out.
					// Also, layout tends not to actually happen until we make it visible, which further helps avoid duplication,
					// and makes sure the user doesn't see any intermediate state.
					m_mainContentControl.Visible = false;
					m_secondarySplitContainer.SecondControl = m_mainContentControl;
					mainControl.ResumeLayout(false);
					var mainContentAsPostInit = m_mainContentControl as IPostLayoutInit;

					//this was added because the user may switch to a control through some UI vector that does not
					//first set the appropriate area. Doing this will lead to the appropriate area button being highlighted, and also
					//help other things which depend on the accuracy of this "areaChoice" property.
					PropertyTable.SetProperty("currentContentControlObject", m_mainContentControl);
					PropertyTable.SetPropertyPersistence("currentContentControlObject", false);
					PropertyTable.SetProperty("areaChoice", MainContentControlAsIxCoreContentControl.AreaName);

					if (contentClassNode != null && contentClassNode.ParentNode != null)
						SetToolDefaultProperties(contentClassNode.ParentNode.SelectSingleNode("defaultProperties"));

					m_mainContentControl.BringToFront();
					m_secondarySplitContainer.Panel2.ResumeLayout();
					if (mainContentAsPostInit != null)
						mainContentAsPostInit.PostLayoutInit();
					m_mainContentControl.Visible = true;
					m_mainContentControl.Select();
				}
				catch (Exception error)
				{
					m_mainContentControl = null;
					m_secondarySplitContainer.SecondControl = m_mainContentPlaceholderPanel;
					m_secondarySplitContainer.Panel2.ResumeLayout();
					string s = "Something went wrong trying to create a " + contentClass + ".";
					ErrorReporter.ReportException(new ApplicationException(s, error),
						ApplicationRegistryKey, m_mediator.FeedbackInfoProvider.SupportEmailAddress);
//.........这里部分代码省略.........

        /// <summary>
        /// Validates user input
        /// </summary>
        /// <param name="control">The control to be validated</param>
        /// <returns>Returns true or false is the input is valid</returns>
        public bool IsValidData(Control control)
        {
            #region Input Validation
            if (control == null)
            {
                throw new ArgumentNullException("Control");
            }
            #endregion  //Input Validation

            // Prevents the 'Invalid data' warning from showing up if the user selects 'No' to saving the record
            if (mainForm == null || mainForm.FormClosed)
            {
                return true;
            }

            ControlFactory factory = ControlFactory.Instance;
            Field field = factory.GetAssociatedField(control);
            bool isValid = true;

            if (field is NumberField)
            {
                ((MaskedTextBox)control).TextMaskFormat = MaskFormat.IncludeLiterals;

                string decimalSeparator = System.Globalization.CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator;

                if (!String.IsNullOrEmpty(control.Text) && !control.Text.Trim().Equals(decimalSeparator))
                {
                    if (field is IPatternable)
                    {
                        string pattern = ((IPatternable)field).Pattern;
                        if (control.Text.Length > 39 && pattern == "None")
                        {
                            MsgBox.ShowWarning(SharedStrings.MAX_NONE_MASK_DIGITS_EXCEEDED);
                            control.Select();
                            isValid = false;
                        }
                        else
                        {
                            try
                            {
                                // Test what is in the box. If we catch a format exception then the
                                // user entered something bad, like -- or just a decimal point. They
                                // may also have entered some text if the field doesn't have a pattern.                               // doesn't have a pattern.
                                string TestNumber = control.Text.Replace(" ", "");

                                //!float.TryParse(TestNumber, out temp)

                                float temp;
                                if (float.TryParse(TestNumber, out temp))
                                {
                                    temp = float.Parse(TestNumber, System.Globalization.NumberStyles.Any);
                                    ((MaskedTextBox)control).Text = FormatNumberInput(TestNumber, ((MaskedTextBox)control).Mask);
                                    ((MaskedTextBox)control).TextMaskFormat = MaskFormat.IncludeLiterals;
                                    string format = AppData.Instance.DataPatternsDataTable.GetExpressionByMask(((MaskedTextBox)(control)).Mask.ToString(), ((IPatternable)field).Pattern);
                                    bool result;
                                    double doubleNumber;
                                    result = Double.TryParse(((MaskedTextBox)control).Text, out doubleNumber);
                                    if (result)
                                    {
                                        NumberField checkedField = (NumberField)field;
                                        if (!string.IsNullOrEmpty(checkedField.Lower) && !string.IsNullOrEmpty(checkedField.Upper))
                                        {
                                            if ((double.Parse(checkedField.Lower) > doubleNumber) || (doubleNumber > double.Parse(checkedField.Upper)))
                                            {
                                                //FIX for DEFECT 1080
                                                MsgBox.ShowWarning(String.Format(SharedStrings.VALUE_NOT_IN_RANGE, checkedField.Lower, checkedField.Upper));
                                                control.Select();
                                                isValid = false;
                                            }
                                        }
                                    }
                                }
                                else
                                {
                                    MsgBox.ShowInformation(SharedStrings.ENTER_VALID_NUMBER);
                                    control.Select();
                                    isValid = false;
                                }
                            }
                            catch (FormatException)
                            {
                                MsgBox.ShowWarning(SharedStrings.ENTER_VALID_NUMBER);
                                control.Text = string.Empty;
                                control.Select();
                                isValid = false;
                            }
                        }
                    }
                }
            }
            else if (field is DateField)
            {
                DateTime dateTime;
                bool canParse = DateTime.TryParse(control.Text, out dateTime);

//.........这里部分代码省略.........

        private void setFocusOnError(Control controlInError)
        {
            // 1. Ensure the proper page is shown
            Control parentTabPage = controlInError.Parent;
            while (parentTabPage != null && parentTabPage.GetType() != typeof(TabPage))
            {
                parentTabPage = parentTabPage.Parent;
            }
            if (parentTabPage != null && parentTabPage.GetType() == typeof(TabPage))
            {
                m_gui.getTabControl().SelectedTab = (TabPage)parentTabPage;
            }

            // 2. Put the keyboard focus within the control in error
            controlInError.Select();
        }

        void ListViewEditable_MouseUp(object sender, MouseEventArgs e)
        {
            if (e.Button == System.Windows.Forms.MouseButtons.Left)
            {
                ListViewItem lvi = this.GetItemAt(1, e.Y);
                if (lvi == null) return;
                // Find which column.
                mSubItemColumn = 0;
                int sum = 0;
                if (this.Columns.Count > 1)
                {
                    for (int i = 0; i < Columns.Count; i++)
                    {
                        sum += Columns[i].Width;
                        if (e.X < sum) { mSubItemColumn = i; break; }
                    }
                }
                editingSubItem = lvi.SubItems[mSubItemColumn];
                editingItem = lvi;
                bool change = (editingSubItem == previousItem);
                previousItem = editingSubItem;
                lvi.Selected = true;
                if (change)
                {

                    mEditor = GetControlAtIndex(mSubItemColumn,editingItem.Index);
                    if (mEditor != null)
                    {
                        Rectangle bounds = editingSubItem.Bounds;
                        //if (this.CheckBoxes && mSubItemColumn == 0)
                        //    bounds.Offset(new Point(22, 0));
                        mEditor.Bounds = bounds;
                        mEditor.Text = editingSubItem.Text;

                        mEditor.Visible = true;
                        mEditor.BringToFront();
                        //mEditor.Focus();
                        mEditor.Select();
                    }
                }
            }
        }

	// Select the next control.
	public bool SelectNextControl
		(Control ctl, bool forward, bool tabStopOnly,
		bool nested, bool wrap)
			{
				if (!Contains(ctl) || !nested && ctl.parent != this)
					ctl = null;

				Control control = ctl;
				// Look for the next control we can select.
				do
				{
					ctl = GetNextControl(ctl, forward);
					if (ctl == null)
					{
						if (!wrap)
							break;
						continue;
					}
					if (ctl.CanSelect && (ctl.TabStop || !tabStopOnly) && (nested || ctl.parent == this))
					{
						// Found a control.
						ctl.Select(true, forward);
						return true;
					}
				}
				while (ctl != control);
				// Did not find a control.
				return false;
			}

        private void EditItem(int index, ListViewItem.ListViewSubItem sb)
        {
            if (this.SelectedItems.Count <= 0)
            {
                return;
            }
            int currentSelectColumnIndex = _mCtrls.IndexOfKey(index);
            if (currentSelectColumnIndex == -1)
            {
                return;
            }
            _currentCtrl = (System.Windows.Forms.Control)_mCtrls.Values[currentSelectColumnIndex];
            ListViewItem item = this.SelectedItems[0];
            Rectangle rect = sb.Bounds;
            Rectangle _rect = new Rectangle(rect.Right - this.Columns[index].Width, rect.Top, this.Columns[index].Width, rect.Height);
            _currentCtrl.Bounds = _rect;
            _currentCtrl.BringToFront();
            _currentCtrl.Text = item.SubItems[index].Text;
            _currentCtrl.TextChanged += CtrTextChanged;
            _currentCtrl.Leave += CtrLeave;

            _currentCtrl.Visible = true;
            _currentCtrl.Tag = item;
            _currentCtrl.Select();
        }

 public static string Show(Control owner)
 {
     if (owner == null)
         throw new Exception("owner is null!");
     Self._owner = owner;
     int xPos = owner.RectangleToScreen(Rectangle.Empty).X;
     int yPos = owner.RectangleToScreen(Rectangle.Empty).Y + Self._owner.Height + 5;
     Self.TopMost = true;
     if (!Self.Visible)
         Self.Show();
     Self.Location = new Point(xPos, yPos);
     owner.Select();
     return string.Empty;
 }

    /// <summary>
    /// Force un contrôle et tous ses conteneurs à être visibles, puis sélectionne le contrôle.
    /// </summary>
    /// <remarks>
    /// Cette méthode prend en charge tous les classeurs à onglets qui sont les conteneurs
    /// directs ou indirects du contrôle de manière à forcer la sélection de la page concernée
    /// au sein de chaque classeur à onglets.
    /// </remarks>
    /// <param name="control">contrôle à rendre effectivement visible et sélectionné</param>
    public static void ForceShowAndSelect( Control control ) {

      // contrôle de l'argument : ignorer si null
      if ( control == null ) return;

      // remontée récursive frontale jusqu'au conteneur top-level
      Control parent = control.Parent;
      if ( parent != null ) ForceShowAndSelect( parent );

      // descente de la récursion : traiter le cas des pages des classeurs à onglets
      TabPage controlAsTabPage = control as TabPage;
      TabControl parentAsTabControl = parent as TabControl;

      // le contrôle n'est pas une page, ou n'est pas hébergé par un classeur à onglets
      if ( controlAsTabPage == null || parentAsTabControl == null ) {
        control.Show();
        control.Select();
        return;
      }

      // le contrôle est une page hébergée par un classeur à onglets : sélectionner la page
      parentAsTabControl.SelectedTab = controlAsTabPage;
      control.Select();
    }