Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / Behavior / TableLayoutPanelResizeGlyph.cs / 1 / TableLayoutPanelResizeGlyph.cs
namespace System.Windows.Forms.Design.Behavior { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Design; using System.Diagnostics; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms.Design; ////// /// This glyph is associated with every row/column line rendered by the TableLayouPanelDesigner. // Each glyph simply tracks the bounds, type (row or column), and row/col style that it is associated // with. All glyphs on a TableLayoutPanelDesigner share one instance of the TableLayoutPanelBehavior. /// internal class TableLayoutPanelResizeGlyph : Glyph { private Rectangle bounds;//bounds of the column/row line private Cursor hitTestCursor;//cursor used for hittesting - vsplit/hsplit private TableLayoutStyle style;//the style (row or column) associated private TableLayoutResizeType type;//the "Type" used by the Behavior for resizing ////// /// This constructor caches our necessary state and determine what 'type' /// it is. /// internal TableLayoutPanelResizeGlyph (Rectangle controlBounds, TableLayoutStyle style, Cursor hitTestCursor, Behavior behavior) : base(behavior) { this.bounds = controlBounds; this.hitTestCursor = hitTestCursor; this.style = style; if (style is ColumnStyle) { type = TableLayoutResizeType.Column; } else { type = TableLayoutResizeType.Row; } } ////// /// Represents the bounds of the row or column line being rendered /// by the TableLayoutPanelDesigner. /// public override Rectangle Bounds { get { return bounds; } } ////// /// Represents the Style associated with this glyph: Row or Column. /// This is used by the behaviors resize methods to set the values. /// public TableLayoutStyle Style { get { return style; } } ////// /// Used as quick check by our behavior when dragging/resizing. /// public TableLayoutResizeType Type { get { return type; } } ////// /// Simply returns the proper cursor if the mouse pointer is within /// our cached boudns. /// public override Cursor GetHitTest(Point p) { if (bounds.Contains(p)) { return hitTestCursor; } return null; } ////// /// No painting necessary - this glyph is more of a 'hot spot' /// public override void Paint(PaintEventArgs pe) { } ////// /// Internal Enum defining the two different types of glyphs a TableLayoutPanel /// can have: column or row. /// public enum TableLayoutResizeType { Column, Row } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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