| File: System\Windows\Forms\Design\Behavior\ToolboxSnapDragDropEventArgs.cs | Web Access |
| Project: src\winforms\src\System.Windows.Forms.Design\src\System.Windows.Forms.Design.csproj (System.Windows.Forms.Design) |
// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. using System.Drawing; namespace System.Windows.Forms.Design.Behavior; /// <summary> /// This class is created by the ToolboxItemSnapLineBehavior when the user clicks, drags, and drops a control /// from the toolbox. This class adds value to the standard DragEventArgs by holding information about how the user /// snapped a control when it was dropped. We'll use this information in ParentControlDesigner when this new control /// is created to properly position and size the new control. /// </summary> internal sealed partial class ToolboxSnapDragDropEventArgs : DragEventArgs { /// <summary> /// Constructor that is called when the user drops - here, we'll essentially /// push the original drag event info down to the base class and store off /// our direction and offset. /// </summary> public ToolboxSnapDragDropEventArgs(SnapDirection snapDirections, Point offset, DragEventArgs origArgs) : base(origArgs.Data, origArgs.KeyState, origArgs.X, origArgs.Y, origArgs.AllowedEffect, origArgs.Effect) { SnapDirections = snapDirections; Offset = offset; } /// <summary> /// This is the last direction that the user was snapped to directly before /// the drop happened... /// </summary> public SnapDirection SnapDirections { get; } /// <summary> /// The offset in pixel between the mouse cursor (at time of drop) and the /// 'drag box' that is dancing around and snapping to other components. /// </summary> public Point Offset { get; } }