GroupBoxDesigner.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / GroupBoxDesigner.cs / 1 / GroupBoxDesigner.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 */ 

//#define TESTVALUEUI 

[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Scope="member", Target="System.Windows.Forms.Design.GroupBoxDesigner..ctor()")]

namespace System.Windows.Forms.Design { 

 
    using System.Diagnostics; 

    using System; 
    using System.Design;
    using System.Windows.Forms;
    using System.Drawing;
    using Microsoft.Win32; 

    using System.ComponentModel; 
    using System.Drawing.Design; 
    using System.ComponentModel.Design;
    using System.Collections; 

    /// 
    /// 
    ///     This class handles all design time behavior for the group box class.  Group 
    ///     boxes may contain sub-components and therefore use the frame designer.
    ///  
    internal class GroupBoxDesigner : ParentControlDesigner { 

        private InheritanceUI inheritanceUI; 

        /// 
        /// 
        /// Determines the default location for a control added to this designer. 
        /// it is usualy (0,0), but may be modified if the container has special borders, etc.
        ///  
        protected override Point DefaultControlLocation { 
            get {
                GroupBox gb = (GroupBox)this.Control; 
                return new Point(gb.DisplayRectangle.X,gb.DisplayRectangle.Y);
            }
        }
 
       #if TESTVALUEUI
        ///  
        ///  
        ///     Initializes the designer with the given component.  The designer can
        ///     get the component's site and request services from it in this call. 
        /// 
        public override void Initialize(IComponent component) {
            base.Initialize(component);
 
            AutoResizeHandles = true;
 
            IPropertyValueUIService pvUISvc = (IPropertyValueUIService)component.Site.GetService(typeof(IPropertyValueUIService)); 

            if (pvUISvc != null) { 
                pvUISvc.AddPropertyValueUIHandler(new PropertyValueUIHandler(this.OnGetUIValueItem));
            }
        }
 
        private void OnGetUIValueItem(object component, PropertyDescriptor propDesc, ArrayList valueUIItemList){
 
            if (propDesc.PropertyType == typeof(string)) { 
                Bitmap bmp = new Bitmap(typeof(GroupBoxDesigner), "BoundProperty.bmp");
                bmp.MakeTransparent(); 
                valueUIItemList.Add(new LocalUIItem(bmp, new PropertyValueUIItemInvokeHandler(this.OnPropertyValueUIItemInvoke), "Data Can"));

                //bmp = new Bitmap("BoundProperty.bmp");
                valueUIItemList.Add(new LocalUIItem(bmp, new PropertyValueUIItemInvokeHandler(this.OnPropertyValueUIItemInvoke), "Little Button")); 
            }
 
 
        }
 
        private void OnPropertyValueUIItemInvoke(ITypeDescriptorContext context, PropertyDescriptor descriptor, PropertyValueUIItem invokedItem) {
            Debug.Fail("propertyuivalue '" + invokedItem.ToolTip + "' invoked");
        }
 
        #endif
 
        ///  
        /// 
        ///      We override this because even though we still want to 
        ///      offset our grid for our display rectangle, we still want
        ///      to align to our parent's grid - so we don't look funny
        /// 
        protected override void OnPaintAdornments(PaintEventArgs pe) { 
            if (DrawGrid) {
                Control control = (Control)Control; 
                Rectangle rectangle = Control.DisplayRectangle; 

                rectangle.Width++; // gpr: FillRectangle with a TextureBrush comes up one pixel short 
                rectangle.Height++;
                ControlPaint.DrawGrid(pe.Graphics, rectangle, GridSize, control.BackColor);
            }
 
            // If this control is being inherited, paint it
            // 
            if (Inherited) { 
                if (inheritanceUI == null) {
                    inheritanceUI = (InheritanceUI)GetService(typeof(InheritanceUI)); 
                }

                if (inheritanceUI != null) {
                    pe.Graphics.DrawImage(inheritanceUI.InheritanceGlyph, 0, 0); 
                }
            } 
        } 

        ///  
        /// 
        ///      We override our base class's WndProc here because
        ///      the group box always returns HTTRANSPARENT.  This
        ///      causes the mouse to go "through" the group box, but 
        ///      that's not what we want at design time.
        ///  
        protected override void WndProc(ref Message m) { 
            switch (m.Msg) {
                case NativeMethods.WM_NCHITTEST: 
                    // The group box always fires HTTRANSPARENT, which
                    // causes the message to go to our parent.  We want
                    // the group box's designer to get these messages, however,
                    // so change this. 
                    //
                    base.WndProc(ref m); 
                    if ((int)m.Result == NativeMethods.HTTRANSPARENT) { 
                        m.Result = (IntPtr)NativeMethods.HTCLIENT;
                    } 
                    break;

                default:
                    base.WndProc(ref m); 
                    break;
            } 
        } 

 
        #if TESTVALUEUI

        internal class LocalUIItem : PropertyValueUIItem {
            private string itemName; 

            public LocalUIItem(Image img, PropertyValueUIItemInvokeHandler handler, string itemName) : base(img, handler, itemName) { 
                this.itemName = itemName; 
            }
        } 
        #endif
    }
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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GroupBoxDesigner.cs source code in C# .NET

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