C# VisualStyleRenderer.GetPartSize方法代碼示例

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Constructor.
		/// </summary>
		/// ------------------------------------------------------------------------------------
		public CheckBoxColumnHeaderHandler(DataGridViewColumn col)
		{
			Debug.Assert(col != null);
			Debug.Assert(col is DataGridViewCheckBoxColumn);
			Debug.Assert(col.DataGridView != null);

			m_col = col;
			m_grid = col.DataGridView;
			m_grid.HandleDestroyed += HandleHandleDestroyed;
			m_grid.CellPainting += HandleHeaderCellPainting;
			m_grid.CellMouseMove += HandleHeaderCellMouseMove;
			m_grid.ColumnHeaderMouseClick += HandleHeaderCellMouseClick;
			m_grid.CellContentClick += HandleDataCellCellContentClick;
			m_grid.Scroll += HandleGridScroll;
			m_grid.RowsAdded += HandleGridRowsAdded;
			m_grid.RowsRemoved += HandleGridRowsRemoved;

			if (!Application.RenderWithVisualStyles)
			{
				m_szCheckBox = new Size(13, 13);
			}
			else
			{
				var element = VisualStyleElement.Button.CheckBox.CheckedNormal;
				var renderer = new VisualStyleRenderer(element);
				using (var g = m_grid.CreateGraphics())
					m_szCheckBox = renderer.GetPartSize(g, ThemeSizeType.True);
			}

			m_stringFormat = new StringFormat(StringFormat.GenericTypographic);
			m_stringFormat.Alignment = StringAlignment.Center;
			m_stringFormat.LineAlignment = StringAlignment.Center;
			m_stringFormat.Trimming = StringTrimming.EllipsisCharacter;
			m_stringFormat.FormatFlags |= StringFormatFlags.NoWrap;
		}

		/// ------------------------------------------------------------------------------------
		public CheckBoxColumnHeaderHandler(DataGridViewColumn col)
		{
			Debug.Assert(col != null);
			Debug.Assert(col is DataGridViewCheckBoxColumn);
			Debug.Assert(col.DataGridView != null);

			_col = col;
			_owningGrid = col.DataGridView;
			_owningGrid.HandleDestroyed += HandleHandleDestroyed;
			_owningGrid.CellPainting += HandleHeaderCellPainting;
			_owningGrid.CellMouseMove += HandleHeaderCellMouseMove;
			_owningGrid.CellMouseClick += HandleHeaderCellMouseClick;
			_owningGrid.CellContentClick += HandleDataCellCellContentClick;
			_owningGrid.Scroll += HandleGridScroll;
			_owningGrid.RowsAdded += HandleGridRowsAdded;
			_owningGrid.RowsRemoved += HandleGridRowsRemoved;

			if (!BetterGrid.CanPaintVisualStyle())
				_szCheckBox = new Size(13, 13);
			else
			{
				var element = VisualStyleElement.Button.CheckBox.CheckedNormal;
				var renderer = new VisualStyleRenderer(element);
				using (var g = _owningGrid.CreateGraphics())
					_szCheckBox = renderer.GetPartSize(g, ThemeSizeType.True);
			}
		}

        public SearchBox()
            : base()
        {
            this.TextChanged += this.SearchBox_TextChanged;
            this.Resize += this.SearchBox_Resize;
            this.Paint += this.SearchBox_Paint;
            this.HandleCreated += this.SearchBox_HandleCreated;

            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);

            // Create the child textbox control for the user to type in, without a border
            this.textBox = new TextBox();
            this.themeHeight = this.textBox.Height + 2;
            this.textBox.BorderStyle = BorderStyle.None;
            this.Controls.Add(this.textBox);

            this.textBox.MouseEnter += this.TextBox_MouseEnter;
            this.textBox.MouseLeave += this.TextBox_MouseLeave;
            this.textBox.GotFocus += this.TextBox_GotFocus;
            this.textBox.LostFocus += this.TextBox_LostFocus;
            this.textBox.TextChanged += this.TextBox_TextChanged;
            this.textBox.KeyDown += this.TextBox_KeyDown;

            // Create a picturebox to display the search icon and cancel 'button'
            this.button = new PictureBox();
            this.button.BackColor = Color.Transparent;
            this.button.Image = Properties.Resources.search_icon;
            this.button.SizeMode = PictureBoxSizeMode.AutoSize;
            this.Controls.Add(this.button);

            this.button.MouseEnter += this.Button_MouseEnter;
            this.button.MouseLeave += this.Button_MouseLeave;
            this.button.MouseDown += this.Button_MouseDown;
            this.button.MouseUp += this.Button_MouseUp;
            this.button.MouseClick += this.Button_MouseClick;

            // Work out the height that the search box should be displayed
            if (OsUtils.WinVistaOrLater() && VisualStyleRenderer.IsSupported)
            {
                VisualStyleRenderer sizeStyle = new VisualStyleRenderer(NativeMethods.SEARCHBOX, NativeMethods.SBBACKGROUND, NativeMethods.SBB_NORMAL);

                using (Graphics sizeGraphics = this.CreateGraphics())
                {
                    this.themeHeight = sizeStyle.GetPartSize(sizeGraphics, ThemeSizeType.True).Height;
                }
            }
        }

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Draws the button in the cell.
		/// </summary>
		/// ------------------------------------------------------------------------------------
		private void DrawButton(Graphics g, Rectangle rcbtn, int rowIndex)
		{
			if (!InternalShowButton(rowIndex))
				return;

			bool paintComboButton = (OwningButtonColumn == null ? false :
				OwningButtonColumn.UseComboButtonStyle);

			VisualStyleElement element = (paintComboButton ?
				GetVisualStyleComboButton() : GetVisualStylePushButton());

			if (PaintingHelper.CanPaintVisualStyle(element))
			{
				VisualStyleRenderer renderer = new VisualStyleRenderer(element);

				if (!OwningButtonColumn.DrawDefaultComboButtonWidth)
					renderer.DrawBackground(g, rcbtn);
				else
				{
					Rectangle rc = rcbtn;
					Size sz = renderer.GetPartSize(g, rc, ThemeSizeType.True);
					rc.Width = sz.Width + 2;
					rc.X = (rcbtn.Right - rc.Width);
					renderer.DrawBackground(g, rc);
				}
			}
			else
			{
				ButtonState state = (m_mouseDownOnButton && m_mouseOverButton && m_enabled ?
					ButtonState.Pushed : ButtonState.Normal);

				if (!m_enabled)
					state |= ButtonState.Inactive;

				if (paintComboButton)
					ControlPaint.DrawComboButton(g, rcbtn, state);
				else
					ControlPaint.DrawButton(g, rcbtn, state);
			}

			string buttonText = (OwningButtonColumn == null ? null : OwningButtonColumn.ButtonText);
			if (string.IsNullOrEmpty(buttonText))
				return;

			Font buttonFont = (OwningButtonColumn == null ?
				SystemInformation.MenuFont : OwningButtonColumn.ButtonFont);

			// Draw text
			TextFormatFlags flags = TextFormatFlags.HorizontalCenter |
				TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine |
				TextFormatFlags.NoPrefix | TextFormatFlags.EndEllipsis |
				TextFormatFlags.NoPadding | TextFormatFlags.PreserveGraphicsClipping;

			Color clrText = (m_enabled ? SystemColors.ControlText : SystemColors.GrayText);
			TextRenderer.DrawText(g, buttonText, buttonFont, rcbtn, clrText, flags);
		}

		private void SetLayout()
		{
			if (isMin6 && Application.RenderWithVisualStyles)
			{
				VisualStyleRenderer theme;
				using (Graphics g = this.CreateGraphics())
				{
					// Back button
					theme = new VisualStyleRenderer(VisualStyleElementEx.Navigation.BackButton.Normal);
					Size bbSize = theme.GetPartSize(g, ThemeSizeType.Draw);

					// Title
					theme.SetParameters(VisualStyleElementEx.AeroWizard.TitleBar.Active);
					titleBar.Height = Math.Max(theme.GetMargins2(g, MarginProperty.ContentMargins).Top, bbSize.Height + 2);
					titleBar.ColumnStyles[0].Width = bbSize.Width + 4F;
					titleBar.ColumnStyles[1].Width = titleImageIcon != null ? titleImageList.ImageSize.Width + 4F : 0;
					backButton.Size = bbSize;

					// Header
					theme.SetParameters(VisualStyleElementEx.AeroWizard.HeaderArea.Normal);
					headerLabel.Margin = theme.GetMargins2(g, MarginProperty.ContentMargins);
					headerLabel.ForeColor = theme.GetColor(ColorProperty.TextColor);

					// Content
					theme.SetParameters(VisualStyleElementEx.AeroWizard.ContentArea.Normal);
					this.BackColor = theme.GetColor(ColorProperty.FillColor);
					Padding cp = theme.GetMargins2(g, MarginProperty.ContentMargins);
					contentArea.ColumnStyles[0].Width = cp.Left;
					contentArea.RowStyles[1].Height = cp.Bottom;

					// Command
					theme.SetParameters(VisualStyleElementEx.AeroWizard.CommandArea.Normal);
					cp = theme.GetMargins2(g, MarginProperty.ContentMargins);
					commandArea.RowStyles[0].Height = cp.Top;
					commandArea.RowStyles[2].Height = cp.Bottom;
					commandArea.ColumnStyles[2].Width = contentArea.ColumnStyles[2].Width = cp.Right;
				}
			}
			else
			{
				backButton.Size = new Size(Properties.Resources.BackBtnStrip.Width, Properties.Resources.BackBtnStrip.Height / 4);
			}
		}

        private void DrawGlyph( Graphics g, Point p, bool expanded )
        {
            if( VisualStyleRenderer.IsSupported )
            {
                VisualStyleElement vse = expanded ? VisualStyleElement.TreeView.Glyph.Opened : VisualStyleElement.TreeView.Glyph.Closed;
                VisualStyleRenderer vsr = new VisualStyleRenderer( vse );
                Size ecSize = vsr.GetPartSize( g, ThemeSizeType.Draw );

                vsr.DrawBackground( g, new Rectangle( p.X, p.Y, ecSize.Width, ecSize.Height ) );
            }
            else
            {
                g.FillRectangle( SystemBrushes.Window, new Rectangle( p.X, p.Y, 8, 8 ) );

                using( Pen pen = new Pen( Color.FromArgb( 128, 128, 128 ) ))
                {
                    g.DrawRectangle( pen, new Rectangle( p.X, p.Y, 8, 8 ) );
                }

                using( Pen pen = new Pen( Color.Black ) )
                {
                    g.DrawLine( pen, new Point( p.X + 2, p.Y + 4 ), new Point( p.X + 6, p.Y + 4 ) );

                    if( !expanded )
                    {
                        g.DrawLine( pen, new Point( p.X + 4, p.Y + 2 ), new Point( p.X + 4, p.Y + 6 ) );
                    }
                }
            }
        }

		public static Size GetSizeBoxSize (Graphics g, ScrollBarState state)
		{
			if (!IsSupported)
				throw new InvalidOperationException ();

			VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ScrollBar.SizeBox.LeftAlign);
			
			return vsr.GetPartSize(g, ThemeSizeType.Draw);
		}

		protected override void DrawStatusBarSizingGrip (Graphics dc, Rectangle clip, StatusBar sb, Rectangle area)
		{
			if (!RenderClientAreas) {
				base.DrawStatusBarSizingGrip (dc, clip, sb, area);
				return;
			}
			VisualStyleElement element = VisualStyleElement.Status.Gripper.Normal;
			if (!VisualStyleRenderer.IsElementDefined (element)) {
				base.DrawStatusBarSizingGrip (dc, clip, sb, area);
				return;
			}
			VisualStyleRenderer renderer = new VisualStyleRenderer (element);
			Rectangle sizing_grip_rectangle = new Rectangle (Point.Empty, renderer.GetPartSize (dc, ThemeSizeType.True));
			sizing_grip_rectangle.X = sb.Width - sizing_grip_rectangle.Width;
			sizing_grip_rectangle.Y = sb.Height - sizing_grip_rectangle.Height;
			renderer.DrawBackground (dc, sizing_grip_rectangle, clip);
		}

 protected override Size GetCloseButtonSize(Graphics dc, TooltipCloseButtonState buttonState)
 {
     VisualStyleElement btn = GetCloseButtonVS(buttonState);
     if (IsDefined(btn))
     {
         VisualStyleRenderer renderer = new VisualStyleRenderer(btn);
         return renderer.GetPartSize(dc, ThemeSizeType.True);
     }
     else
         return new Size(10, 10);
 }

			protected override void OnPaint(PaintEventArgs e)
			{
				if (VisualStyleRenderer.IsSupported
				    && VisualStyleRenderer.IsElementDefined(VisualStyleElement.ExplorerBar.HeaderClose.Normal)
				    && VisualStyleRenderer.IsElementDefined(VisualStyleElement.ExplorerBar.HeaderClose.Hot)
				    && VisualStyleRenderer.IsElementDefined(VisualStyleElement.ExplorerBar.HeaderClose.Pressed))
				{
					VisualStyleElement element;
					if (!this.ShowGreyed && IsMouseOver(this.ClientRectangle))
						element = IsLeftMouseButtonPressed() ? VisualStyleElement.ExplorerBar.HeaderClose.Pressed : VisualStyleElement.ExplorerBar.HeaderClose.Hot;
					else
						element = VisualStyleElement.ExplorerBar.HeaderClose.Normal;

					VisualStyleRenderer renderer = new VisualStyleRenderer(element);
					Size size = renderer.GetPartSize(e.Graphics, this.ClientRectangle, ThemeSizeType.True);
					using (Bitmap bmp = new Bitmap(size.Width, size.Height))
					{
						using (Graphics g = Graphics.FromImage(bmp))
						{
							renderer.DrawBackground(g, this.ClientRectangle);
						}
						e.Graphics.DrawImage(bmp, this.ClientRectangle);
					}
				}
				else
				{
					const int lineWidth = 2;

					if (this.ShowGreyed)
						ControlPaint.DrawButton(e.Graphics, this.ClientRectangle, ButtonState.Inactive);
					else if (IsMouseOver(this.ClientRectangle) && IsLeftMouseButtonPressed())
						ControlPaint.DrawButton(e.Graphics, this.ClientRectangle, ButtonState.Pushed);
					else
						ControlPaint.DrawButton(e.Graphics, this.ClientRectangle, ButtonState.Normal);

					using (Pen p = new Pen(this.ShowGreyed ? SystemBrushes.GrayText : SystemBrushes.ControlText, lineWidth))
					{
						Rectangle crossBounds = this.ClientRectangle;
						crossBounds.Location += new Size(2*lineWidth, 2*lineWidth);
						crossBounds.Size -= new Size(4*lineWidth + 1, 4*lineWidth + 1);
						e.Graphics.DrawLine(p, crossBounds.Left, crossBounds.Top, crossBounds.Right, crossBounds.Bottom);
						e.Graphics.DrawLine(p, crossBounds.Left, crossBounds.Bottom, crossBounds.Right, crossBounds.Top);
					}
				}
			}

 public static Rectangle GetCloseButtonRect(IDeviceContext dc, Rectangle rect, Padding padding, ToolTipBalloonCloseButtonState buttonState)
 {
     VisualStyleElement btn = GetCloseButtonVS(buttonState);
     VisualStyleRenderer renderer = new VisualStyleRenderer(btn);
     Size btnSize = renderer.GetPartSize(dc, ThemeSizeType.True);
     Point btnPos = new Point(rect.Right - padding.Right - btnSize.Width, rect.Top + padding.Top);
     Rectangle btnRect = new Rectangle(btnPos, btnSize);
     return btnRect;
 }

        protected override void OnRenderImageMargin(ToolStripRenderEventArgs e)
        {
            if (e.ToolStrip.IsDropDown && IsSupported)
            {
                var renderer = new VisualStyleRenderer("menu", 13, 0);


                var themeMargins = renderer.GetMargins(e.Graphics, MarginProperty.CaptionMargins);

                themeMargins.Right+=2;

                int num = e.ToolStrip.Width - e.ToolStrip.DisplayRectangle.Width - themeMargins.Left - themeMargins.Right - 1 - e.AffectedBounds.Width;
                var bounds = e.AffectedBounds;
                bounds.Y += 2;
                bounds.Height -= 4;
                int width = renderer.GetPartSize(e.Graphics, ThemeSizeType.True).Width;
                if (e.ToolStrip.RightToLeft == RightToLeft.Yes)
                {
                    bounds = new Rectangle(bounds.X - num, bounds.Y, width, bounds.Height);
                    bounds.X += width;
                }
                else
                {
                    bounds = new Rectangle(bounds.Width + num - width, bounds.Y, width, bounds.Height);
                }
                renderer.DrawBackground(e.Graphics, bounds);
            }
            else
            {
                base.OnRenderImageMargin(e);
            }
        }

            public Size MeasureTreeNode( Graphics g, SuperTree.ITreeInfo treeInfo, SuperTree.TreeNode treeNode, bool needsWidth, bool needsHeight )
            {
                string text = treeNode.Text.Replace( "&", "&&" );

                Size textSize = WinFormsUtility.Drawing.GdiPlusEx.MeasureString( g, text, treeNode.Font, int.MaxValue );
                Size ecSize;

                if( VisualStyleRenderer.IsSupported )
                {
                    VisualStyleElement vse = VisualStyleElement.TreeView.Glyph.Opened;
                    VisualStyleRenderer vsr = new VisualStyleRenderer( vse );

                    ecSize = vsr.GetPartSize( g, ThemeSizeType.Draw );
                }
                else
                {
                    ecSize = new Size( 9, 9 );
                }

                int width = (int) textSize.Width + _leftSep + _ecSep + ecSize.Width + _rightSep + 16;
                int height = (int) textSize.Height;

                if( treeNode.Icon != null )
                {
                    width += _imageSep + treeNode.Icon.Size.Width;
                    height = Math.Max( height, treeNode.Icon.Size.Height );
                }

                height += _verticalSep;

                return new Size( width, height );
            }

 private static void CalcSize(Graphics g)
 {
     if (VisualStyleInformation.IsEnabledByUser) {
         VisualStyleRenderer renderer = new VisualStyleRenderer(_elementTop.VSElement);
         _markSizeTopBottom = renderer.GetPartSize(g, ThemeSizeType.True);
         renderer.SetParameters(_elementLeft.VSElement);
         _markSizeLeftRight = renderer.GetPartSize(g, ThemeSizeType.True);
     }
     else {
         _markSizeTopBottom = new Size(16, 16); //���̃T�C�Y�ł͐ݒ�ɂ���Ă̓_������
         _markSizeLeftRight = new Size(16, 16);
     }
 }

		public static Size GetTopPointingThumbSize (Graphics g, TrackBarThumbState state)
		{
			if (!IsSupported)
				throw new InvalidOperationException ();

			VisualStyleRenderer vsr;

			switch (state) {
				case TrackBarThumbState.Disabled:
					vsr = new VisualStyleRenderer (VisualStyleElement.TrackBar.ThumbTop.Disabled);
					break;
				case TrackBarThumbState.Hot:
					vsr = new VisualStyleRenderer (VisualStyleElement.TrackBar.ThumbTop.Hot);
					break;
				case TrackBarThumbState.Normal:
				default:
					vsr = new VisualStyleRenderer (VisualStyleElement.TrackBar.ThumbTop.Normal);
					break;
				case TrackBarThumbState.Pressed:
					vsr = new VisualStyleRenderer (VisualStyleElement.TrackBar.ThumbTop.Pressed);
					break;
			}

			return vsr.GetPartSize (g, ThemeSizeType.Draw);
		}