Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / WinForms / Managed / System / WinForms / PropertyGridInternal / DropDownButton.cs / 1 / DropDownButton.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.PropertyGridInternal { using System.Diagnostics; using System; using System.Drawing; using System.ComponentModel; using System.Windows.Forms; using System.Windows.Forms.VisualStyles; using System.Windows.Forms.ButtonInternal; using Microsoft.Win32; internal sealed class DropDownButton : Button { private bool useComboBoxTheme = false; private bool ignoreMouse; public DropDownButton() { SetStyle(ControlStyles.Selectable, true); this.AccessibleName = SR.GetString(SR.PropertyGridDropDownButtonAccessibleName); } // VSWhidbey 375220 - when the holder is open, we don't fire clicks // public bool IgnoreMouse { get { return ignoreMouse; } set { ignoreMouse = value; } } public bool UseComboBoxTheme { set { if (useComboBoxTheme != value) { useComboBoxTheme = value; Invalidate(); } } } protected override void OnClick(EventArgs e) { if (!IgnoreMouse) { base.OnClick(e); } } protected override void OnMouseUp(MouseEventArgs e) { if (!IgnoreMouse) { base.OnMouseUp(e); } } protected override void OnMouseDown(MouseEventArgs e) { if (!IgnoreMouse) { base.OnMouseDown(e); } } protected override void OnPaint(PaintEventArgs pevent) { base.OnPaint(pevent); if (Application.RenderWithVisualStyles & useComboBoxTheme) { ComboBoxState cbState = ComboBoxState.Normal; if (base.MouseIsDown) { cbState = ComboBoxState.Pressed; } else if (base.MouseIsOver) { cbState = ComboBoxState.Hot; } ComboBoxRenderer.DrawDropDownButton(pevent.Graphics, new Rectangle(0,0,Width,Height), cbState); } } internal override ButtonBaseAdapter CreateStandardAdapter() { return new DropDownButtonAdapter(this); } } internal class DropDownButtonAdapter : ButtonStandardAdapter { internal DropDownButtonAdapter(ButtonBase control) : base(control) {} private void DDB_Draw3DBorder(System.Drawing.Graphics g, Rectangle r, bool raised) { if (Control.BackColor != SystemColors.Control && SystemInformation.HighContrast) { if (raised) { Color c = ControlPaint.LightLight(Control.BackColor); ControlPaint.DrawBorder(g, r, c, 1, ButtonBorderStyle.Outset, c, 1, ButtonBorderStyle.Outset, c, 2, ButtonBorderStyle.Inset, c, 2, ButtonBorderStyle.Inset); } else { ControlPaint.DrawBorder(g, r, ControlPaint.Dark(Control.BackColor), ButtonBorderStyle.Solid); } } else { if (raised) { Color c = ControlPaint.Light(Control.BackColor); ControlPaint.DrawBorder(g, r, c, 1, ButtonBorderStyle.Solid, c, 1, ButtonBorderStyle.Solid, Control.BackColor, 2, ButtonBorderStyle.Outset, Control.BackColor, 2, ButtonBorderStyle.Outset); Rectangle inside = r; inside.Offset(1,1); inside.Width -= 3; inside.Height -= 3; c = ControlPaint.LightLight(Control.BackColor); ControlPaint.DrawBorder(g, inside, c, 1, ButtonBorderStyle.Solid, c, 1, ButtonBorderStyle.Solid, c, 1, ButtonBorderStyle.None, c, 1, ButtonBorderStyle.None); } else { ControlPaint.DrawBorder(g, r, ControlPaint.Dark(Control.BackColor), ButtonBorderStyle.Solid); } } } internal override void PaintUp(PaintEventArgs pevent, CheckState state) { base.PaintUp(pevent, state); if (!Application.RenderWithVisualStyles) { DDB_Draw3DBorder(pevent.Graphics, Control.ClientRectangle, true); } else { Color c = SystemColors.Window; Rectangle rect = Control.ClientRectangle; rect.Inflate(0, -1); ControlPaint.DrawBorder(pevent.Graphics, rect, c, 1, ButtonBorderStyle.None, c, 1, ButtonBorderStyle.None, c, 1, ButtonBorderStyle.Solid, c, 1, ButtonBorderStyle.None); } } internal override void DrawImageCore(Graphics graphics, Image image, Rectangle imageBounds, Point imageStart, ButtonBaseAdapter.LayoutData layout) { ControlPaint.DrawImageReplaceColor(graphics, image, imageBounds, Color.Black, Control.ForeColor); //ControlPaint.DrawImageColorized(graphics, image, imageBounds , Control.ForeColor); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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