C# Winform 读取显示ttc,otf,ttf字体

直接读取ttc、oft、ttf格式的字库，显示出来。

本例字库在bin文件夹里面，字库网上很多，自行下载。

static class NativeMethods
		{
			const string GDI32 = "gdi32.dll";
			const string USER32 = "user32.dll";

			struct Rect
			{
				public long Left, Top, Right, Bottom;
				public Rect (Rectangle rect) {
					this.Left = rect.Left;
					this.Top = rect.Top;
					this.Right = rect.Right;
					this.Bottom = rect.Bottom;
				}
			}

			static uint ToGdiColor (Color color) {
				return (uint)(color.R | color.G << 8 | color.B << 16);
			}

			[DllImport (GDI32)]
			internal static extern IntPtr CreateFont (
				int nHeight,
				int nWidth,
				int nEscapement,
				int nOrientation,
				int fnWeight,
				uint fdwItalic,
				uint fdwUnderline,
				uint fdwStrikeOut,
				uint fdwCharSet,
				uint fdwOutputPrecision,
				uint fdwClipPrecision,
				uint fdwQuality,
				uint fdwPitchAndFamily,
				string lpszFace
				);
			[DllImport (GDI32)]
			internal static extern IntPtr SelectObject (HandleRef hdc, IntPtr obj);

			[DllImport (GDI32)]
			internal static extern bool DeleteObject (HandleRef obj);

			[DllImport (USER32, CharSet = CharSet.Auto)]
			static extern int DrawText (HandleRef hDC, string lpchText, int nCount, ref Rect lpRect, uint uFormat);
			internal static int DrawText (HandleRef hDC, string text, Rectangle rect, uint format) {
				var r = new Rect (rect);
				return DrawText (hDC, text, text.Length, ref r, format);
			}

			[DllImport (GDI32)]
			static extern uint SetTextColor (HandleRef hdc, uint crColor);
			internal static uint SetTextColor (HandleRef hdc, Color color) {
				return SetTextColor (hdc, ToGdiColor (color));
			}

			[DllImport (GDI32)]
			internal static extern uint SetBkMode (HandleRef hdc, int mode);
		}