System.Windows.Forms.ThemeWin32Classic.CalculateCheckBoxTextAndImageLayout C# (CSharp) Method

		public override void CalculateCheckBoxTextAndImageLayout (ButtonBase button, Point p, out Rectangle glyphArea, out Rectangle textRectangle, out Rectangle imageRectangle)
		{
			int check_size = CheckSize;

			if (button is CheckBox)
				check_size = (button as CheckBox).Appearance == Appearance.Normal ? check_size : 0;
				
			glyphArea = new Rectangle (button.Padding.Left, button.Padding.Top, check_size, check_size);
			
			Rectangle content_rect = button.PaddingClientRectangle;
			ContentAlignment align = ContentAlignment.TopLeft;
			
			if (button is CheckBox)
				align = (button as CheckBox).CheckAlign;
			else if (button is RadioButton)
				align = (button as RadioButton).CheckAlign;

			switch (align) {
				case ContentAlignment.BottomCenter:
					glyphArea.Y += content_rect.Height - check_size - 2;
					glyphArea.X += (content_rect.Width - check_size) / 2;
					break;
				case ContentAlignment.BottomLeft:
					glyphArea.Y += content_rect.Height - check_size - 2;
					content_rect.Width -= check_size;
					content_rect.Offset (check_size, 0);
					break;
				case ContentAlignment.BottomRight:
					glyphArea.Y += content_rect.Height - check_size - 2;
					glyphArea.X += content_rect.Width - check_size;
					content_rect.Width -= check_size;
					break;
				case ContentAlignment.MiddleCenter:
					glyphArea.Y += (content_rect.Height - check_size) / 2;
					glyphArea.X += (content_rect.Width - check_size) / 2;
					break;
				case ContentAlignment.MiddleLeft:
					glyphArea.Y += (content_rect.Height - check_size) / 2;
					content_rect.Width -= check_size;
					content_rect.Offset (check_size, 0);
					break;
				case ContentAlignment.MiddleRight:
					glyphArea.Y += (content_rect.Height - check_size) / 2;
					glyphArea.X += content_rect.Width - check_size;
					content_rect.Width -= check_size;
					break;
				case ContentAlignment.TopCenter:
					glyphArea.X += (content_rect.Width - check_size) / 2;
					break;
				case ContentAlignment.TopLeft:
					content_rect.Width -= check_size;
					content_rect.Offset (check_size, 0);
					break;
				case ContentAlignment.TopRight:
					glyphArea.X += content_rect.Width - check_size;
					content_rect.Width -= check_size;
					break;
			}
			
			Image image = button.Image;
			string text = button.Text;
			
			Size proposed = Size.Empty;
			
			// Force wrapping if we aren't AutoSize and our text is too long
			if (!button.AutoSize)
				proposed.Width = button.PaddingClientRectangle.Width - glyphArea.Width - 2;

			Size text_size = TextRenderer.MeasureTextInternal (text, button.Font, proposed, button.TextFormatFlags, button.UseCompatibleTextRendering);
			
			// Text can't be bigger than the content rectangle
			text_size.Height = Math.Min (text_size.Height, content_rect.Height);
			text_size.Width = Math.Min (text_size.Width, content_rect.Width);
			
			Size image_size = image == null ? Size.Empty : image.Size;

			textRectangle = Rectangle.Empty;
			imageRectangle = Rectangle.Empty;

			switch (button.TextImageRelation) {
				case TextImageRelation.Overlay:
					// Text is centered vertically, and 2 pixels to the right
					textRectangle.X = content_rect.Left + 2;
					textRectangle.Y = button.PaddingClientRectangle.Top + ((content_rect.Height - text_size.Height) / 2) - 1;
					textRectangle.Size = text_size;

					// Image is dependent on ImageAlign
					if (image == null)
						return;

					int image_x = button.PaddingClientRectangle.Left;
					int image_y = button.PaddingClientRectangle.Top;
					int image_height = image.Height;
					int image_width = image.Width;

					switch (button.ImageAlign) {
						case System.Drawing.ContentAlignment.TopLeft:
							image_x += 5;
							image_y += 5;
							break;
						case System.Drawing.ContentAlignment.TopCenter:
							image_x += (content_rect.Width - image_width) / 2;
							image_y += 5;
							break;
						case System.Drawing.ContentAlignment.TopRight:
							image_x += content_rect.Width - image_width - 5;
							image_y += 5;
							break;
						case System.Drawing.ContentAlignment.MiddleLeft:
							image_x += 5;
							image_y += (content_rect.Height - image_height) / 2;
							break;
						case System.Drawing.ContentAlignment.MiddleCenter:
							image_x += (content_rect.Width - image_width) / 2;
							image_y += (content_rect.Height - image_height) / 2;
							break;
						case System.Drawing.ContentAlignment.MiddleRight:
							image_x += content_rect.Width - image_width - 4;
							image_y += (content_rect.Height - image_height) / 2;
							break;
						case System.Drawing.ContentAlignment.BottomLeft:
							image_x += 5;
							image_y += content_rect.Height - image_height - 4;
							break;
						case System.Drawing.ContentAlignment.BottomCenter:
							image_x += (content_rect.Width - image_width) / 2;
							image_y += content_rect.Height - image_height - 4;
							break;
						case System.Drawing.ContentAlignment.BottomRight:
							image_x += content_rect.Width - image_width - 4;
							image_y += content_rect.Height - image_height - 4;
							break;
						default:
							image_x += 5;
							image_y += 5;
							break;
					}

					imageRectangle = new Rectangle (image_x + check_size, image_y, image_width, image_height);
					break;
				case TextImageRelation.ImageAboveText:
					content_rect.Inflate (-4, -4);
					LayoutTextAboveOrBelowImage (content_rect, false, text_size, image_size, button.TextAlign, button.ImageAlign, false, out textRectangle, out imageRectangle);
					break;
				case TextImageRelation.TextAboveImage:
					content_rect.Inflate (-4, -4);
					LayoutTextAboveOrBelowImage (content_rect, true, text_size, image_size, button.TextAlign, button.ImageAlign, false, out textRectangle, out imageRectangle);
					break;
				case TextImageRelation.ImageBeforeText:
					content_rect.Inflate (-4, -4);
					LayoutTextBeforeOrAfterImage (content_rect, false, text_size, image_size, button.TextAlign, button.ImageAlign, out textRectangle, out imageRectangle);
					break;
				case TextImageRelation.TextBeforeImage:
					content_rect.Inflate (-4, -4);
					LayoutTextBeforeOrAfterImage (content_rect, true, text_size, image_size, button.TextAlign, button.ImageAlign, out textRectangle, out imageRectangle);
					break;
			}
		}