ToolStripStatusLabel.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / ToolStripStatusLabel.cs / 1305376 / ToolStripStatusLabel.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

 
namespace System.Windows.Forms { 
    using System;
    using System.ComponentModel; 
    using System.Drawing;
    using System.Drawing.Design;
    using System.Diagnostics;
    using System.Windows.Forms.ButtonInternal; 
    using System.Security.Permissions;
    using System.Security; 
    using System.Windows.Forms.Layout; 
    using System.Windows.Forms.Design;
 

    /// 
    /// 
    /// A non selectable winbar item 
    /// 
    [ToolStripItemDesignerAvailability(ToolStripItemDesignerAvailability.StatusStrip)] 
    public class ToolStripStatusLabel : ToolStripLabel { 

 
        private Border3DStyle borderStyle = Border3DStyle.Flat;
        private ToolStripStatusLabelBorderSides borderSides = ToolStripStatusLabelBorderSides.None;
        private bool spring = false;
 

        ///  
        ///  
        /// A non selectable winbar item
        ///  
        public ToolStripStatusLabel() {
        }
        public ToolStripStatusLabel(string text):base(text,null,false,null) {
        } 
        public ToolStripStatusLabel(Image image):base(null,image,false,null) {
        } 
        public ToolStripStatusLabel(string text, Image image):base(text,image,false,null) { 
        }
        public ToolStripStatusLabel(string text, Image image, EventHandler onClick):base(text,image,/*isLink=*/false,onClick,null) { 
        }
        public ToolStripStatusLabel(string text, Image image, EventHandler onClick, string  name) :base(text,image,/*isLink=*/false,onClick, name) {
        }
 
        /// 
        /// Creates an instance of the object that defines how image and text 
        /// gets laid out in the ToolStripItem 
        /// 
        internal override ToolStripItemInternalLayout CreateInternalLayout() { 
            return new ToolStripStatusLabelLayout(this);
        }

        [Browsable(false)] 
        [EditorBrowsable(EditorBrowsableState.Advanced)]
        public new ToolStripItemAlignment Alignment { 
           get { 
               return base.Alignment;
           } 
           set {
               base.Alignment = value;
           }
       } 

 
        ///  
        [
        DefaultValue(Border3DStyle.Flat), 
        SRDescription(SR.ToolStripStatusLabelBorderStyleDescr),
        SRCategory(SR.CatAppearance)
        ]
        public Border3DStyle BorderStyle { 
            get {
                return borderStyle; 
            } 
            set {
                if (!ClientUtils.IsEnumValid_NotSequential(value, 
                                             (int)value,
                                             (int)Border3DStyle.Adjust,
                                             (int)Border3DStyle.Bump,
                                             (int)Border3DStyle.Etched, 
                                             (int)Border3DStyle.Flat,
                                             (int)Border3DStyle.Raised, 
                                             (int)Border3DStyle.RaisedInner, 
                                             (int)Border3DStyle.RaisedOuter,
                                             (int)Border3DStyle.Sunken, 
                                             (int)Border3DStyle.SunkenInner,
                                             (int)Border3DStyle.SunkenOuter
                                                )) {
                    throw new InvalidEnumArgumentException("value", (int)value, typeof(Border3DStyle)); 
                }
 
                if (borderStyle != value) { 
                    borderStyle = value;
                    Invalidate(); 
                }
            }
        }
 
        /// 
        [ 
        DefaultValue(ToolStripStatusLabelBorderSides.None), 
        SRDescription(SR.ToolStripStatusLabelBorderSidesDescr),
        SRCategory(SR.CatAppearance) 
        ]
        public ToolStripStatusLabelBorderSides BorderSides {
            get {
                return borderSides; 
            }
            set { 
                // no Enum.IsDefined as this is a flags enum. 
                if (borderSides != value) {
                    borderSides = value; 
                    LayoutTransaction.DoLayout(Owner,this, PropertyNames.BorderStyle);
                    Invalidate();
                }
            } 
        }
 
        protected internal override Padding DefaultMargin { 
            get {
                return new Padding(0, 3, 0, 2); 
            }
        }

        [ 
        DefaultValue(false),
        SRDescription(SR.ToolStripStatusLabelSpringDescr), 
        SRCategory(SR.CatAppearance) 
        ]
        public bool Spring { 
            get { return spring; }
            set {
                if (spring != value) {
                    spring = value; 
                    if (ParentInternal != null) {
                       LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Spring); 
                    } 

                } 
            }
        }

        public override System.Drawing.Size GetPreferredSize(System.Drawing.Size constrainingSize) { 
             if (BorderSides != ToolStripStatusLabelBorderSides.None) {
                return base.GetPreferredSize(constrainingSize) + new Size(4, 4); 
             } 
             else {
                 return base.GetPreferredSize(constrainingSize); 
             }
        }

 

        ///  
        ///  
        /// Inheriting classes should override this method to handle this event.
        ///  
        protected override void OnPaint(System.Windows.Forms.PaintEventArgs e) {

            if (this.Owner != null) {
                ToolStripRenderer renderer = this.Renderer; 

                renderer.DrawToolStripStatusLabelBackground(new ToolStripItemRenderEventArgs(e.Graphics, this)); 
 
                if ((DisplayStyle & ToolStripItemDisplayStyle.Image) == ToolStripItemDisplayStyle.Image) {
                    renderer.DrawItemImage(new ToolStripItemImageRenderEventArgs(e.Graphics, this, InternalLayout.ImageRectangle)); 
                }

                PaintText(e.Graphics);
              } 
        }
 
        ///  
        ///  This class performs internal layout for the "split button button" portion of a split button.
        ///  Its main job is to make sure the inner button has the same parent as the split button, so 
        ///  that layout can be performed using the correct graphics context.
        /// 
        private class ToolStripStatusLabelLayout : ToolStripItemInternalLayout {
 
             ToolStripStatusLabel owner;
 
            public ToolStripStatusLabelLayout(ToolStripStatusLabel owner) : base(owner) { 
                this.owner = owner;
            } 

            protected override ToolStripItemLayoutOptions CommonLayoutOptions() {
               ToolStripItemLayoutOptions layoutOptions = base.CommonLayoutOptions();
               layoutOptions.borderSize = 0; 
               return layoutOptions;
            } 
        } 

    } 

}

 

 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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ToolStripStatusLabel.cs source code in C# .NET

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