C# 读取显卡信息 源码

【实例简介】

读取显卡信息，com组件
【实例截图】

【核心代码】

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main()
		{
			Application.Run(new Form1());
		}
		// 添加自定义的私有变量。
		private static DirectX7 DirectX;
		private void button1_Click(object sender, System.EventArgs e)
		{
			DirectX = new DirectX7();
			DirectDrawEnum ddEnum;
			string guid;

			ddEnum = DirectX.GetDDEnum();
			richTextBox1.Text = "显卡信息:\n";
			for (int i = 1; i <= ddEnum.GetCount(); i  )
			{
				richTextBox1.Text  = "显卡号码："   i.ToString()   "\n";
				richTextBox1.Text  = "描述：    "   ddEnum.GetDescription(i)   "\n";
				richTextBox1.Text  = "显卡名称："   ddEnum.GetName(i)   "\n";
				guid = ddEnum.GetGuid(i);
				if(guid == "")
					richTextBox1.Text  = "Guid号码：无\n";
				else
					richTextBox1.Text  = "Guid号码："   ddEnum.GetGuid(i)   "\n";
				GetDDCaps(guid);
				GetD3DDevices(guid);
				GetDisplayModes(guid);
			}
		}
		private void GetDDCaps(string guid)
		{
			DirectDraw7 DirectDraw;
			DDCAPS hwCaps = new DDCAPS();		// 硬件信息
			DDCAPS helCaps = new DDCAPS();		// 软件信息

			DirectDraw = DirectX.DirectDrawCreate(guid);
			DirectDraw.GetCaps(ref hwCaps, ref helCaps);
			richTextBox1.Text  = "\n硬件信息：\n";
			richTextBox1.Text  = "    总的显存：  "   hwCaps.lVidMemTotal.ToString()   "\n";
			richTextBox1.Text  = "    可用的显存："   hwCaps.lVidMemFree.ToString()   "\n";

			// 支持的调色板。
			CONST_DDPCAPSFLAGS value = hwCaps.lPalCaps;
			if (value == 0)
				richTextBox1.Text  = "    没有调色板。\n";
			if ((value & CONST_DDPCAPSFLAGS.DDPCAPS_1BIT) > 0)
				richTextBox1.Text  = "    支持 1 Bit调色板。\n";
			if ((value & CONST_DDPCAPSFLAGS.DDPCAPS_2BIT) > 0)
				richTextBox1.Text  = "    支持 2 Bit调色板。\n";
			if ((value & CONST_DDPCAPSFLAGS.DDPCAPS_8BIT) > 0)
				richTextBox1.Text  = "    支持 8 Bit调色板。\n";
			if ((value & CONST_DDPCAPSFLAGS.DDPCAPS_8BITENTRIES) > 0)
				richTextBox1.Text  = "    支持 8 Bit Entries 调色板。\n";
			if ((value & CONST_DDPCAPSFLAGS.DDPCAPS_ALLOW256) > 0)
				richTextBox1.Text  = "    支持 256色调色板。\n";

			// 是否支持gamma ramp接口
			if (((int)hwCaps.ddsCaps.lCaps2 &
			     (int)CONST_DDCAPS2FLAGS.DDCAPS2_CANCALIBRATEGAMMA) > 0)
				richTextBox1.Text  = "    支持gamma连接。\n";
			else
				richTextBox1.Text  = "    不支持gamma连接。\n";
		}

		private void GetD3DDevices(string guid)
		{
			Direct3DEnumDevices d3dEnum;
			D3DDEVICEDESC7 hwDesc = new D3DDEVICEDESC7();
			DirectDraw7 DirectDraw;
			Direct3D7 d3d;

			DirectDraw = DirectX.DirectDrawCreate(guid);
			d3d = DirectDraw.GetDirect3D();
			richTextBox1.Text  = "\nD3D设备信息：\n";
			d3dEnum = d3d.GetDevicesEnum();
			for (int i = 1; i <= d3dEnum.GetCount(); i  )
			{
				d3dEnum.GetDesc(i, ref hwDesc);
				richTextBox1.Text  = "    描述："   d3dEnum.GetDescription(i)   "\n";
				richTextBox1.Text  = "    名称："   d3dEnum.GetName(i)   "\n";
				richTextBox1.Text  = "    Guid："   d3dEnum.GetGuid(i)   "\n";
				richTextBox1.Text  = "    最大纹理高度："  
				    hwDesc.lMaxTextureHeight.ToString()   "\n";
				richTextBox1.Text  = "    最大纹理宽度："  
				    hwDesc.lMaxTextureWidth.ToString()   "\n";

				if ((hwDesc.lDeviceRenderBitDepth & (int)CONST_DDBITDEPTHFLAGS.DDBD_8) > 0)
					richTextBox1.Text  = "    支持8位渲染。\n";
				if ((hwDesc.lDeviceRenderBitDepth & (int)CONST_DDBITDEPTHFLAGS.DDBD_16) > 0)
					richTextBox1.Text  = "    支持16位渲染。\n";
				if ((hwDesc.lDeviceRenderBitDepth & (int)CONST_DDBITDEPTHFLAGS.DDBD_24) > 0)
					richTextBox1.Text  = "    支持24位渲染。\n";
				if ((hwDesc.lDeviceRenderBitDepth & (int)CONST_DDBITDEPTHFLAGS.DDBD_32) > 0)
					richTextBox1.Text  = "    支持32位渲染。\n";

				if ((hwDesc.lDeviceZBufferBitDepth & (int)CONST_DDBITDEPTHFLAGS.DDBD_8) > 0)
					richTextBox1.Text  = "    支持8比特的Z缓存。\n";
				if ((hwDesc.lDeviceZBufferBitDepth & (int)CONST_DDBITDEPTHFLAGS.DDBD_16) > 0)
					richTextBox1.Text  = "    支持16比特的Z缓存。\n";
				if ((hwDesc.lDeviceZBufferBitDepth & (int)(int)CONST_DDBITDEPTHFLAGS.DDBD_24) > 0)
					richTextBox1.Text  = "    支持24比特的Z缓存。\n";
				if ((hwDesc.lDeviceZBufferBitDepth & (int)CONST_DDBITDEPTHFLAGS.DDBD_32) > 0)
					richTextBox1.Text  = "    支持32比特的Z缓存。\n";
				if (hwDesc.lDeviceZBufferBitDepth == 0)
					richTextBox1.Text  = "    不支持Z缓存。\n";

				if ((hwDesc.lDevCaps & CONST_D3DDEVICEDESCCAPS.D3DDEVCAPS_TEXTURENONLOCALVIDMEM) > 0)
					richTextBox1.Text  = "    支持AGP纹理。\n";
				if ((hwDesc.lDevCaps & CONST_D3DDEVICEDESCCAPS.D3DDEVCAPS_SORTDECREASINGZ) > 0)
					richTextBox1.Text  = "    IM三角必须安递减深度排序。\n";
				if ((hwDesc.lDevCaps & CONST_D3DDEVICEDESCCAPS.D3DDEVCAPS_SORTEXACT) > 0)
					richTextBox1.Text  = "    IM三角必须完全排序。\n";
				if ((hwDesc.lDevCaps & CONST_D3DDEVICEDESCCAPS.D3DDEVCAPS_SORTINCREASINGZ) > 0)
					richTextBox1.Text  = "    IM三角必须安递增深度排序。\n";
				if ((hwDesc.lDevCaps & CONST_D3DDEVICEDESCCAPS.D3DDEVCAPS_TEXTUREVIDEOMEMORY) > 0)
					richTextBox1.Text  = "    IM三角可以使用显卡内存存储材质。\n";
			}
		}
		// 取得显示模式信息。
		public void GetDisplayModes(string guid)
		{
			DirectDrawEnumModes DisplayModesEnum;
			DDSURFACEDESC2 ddsd2 = new DDSURFACEDESC2();
			DirectDraw7 DirectDraw;

			DirectDraw = DirectX.DirectDrawCreate(guid);
			DisplayModesEnum = DirectDraw.GetDisplayModesEnum(0, ref ddsd2);
			richTextBox1.Text  = "\n显示模式信息：\n";
			// 列举支持的显示模式。
			for (int i = 1; i <= DisplayModesEnum.GetCount(); i  )
			{
				DisplayModesEnum.GetItem(i, ref ddsd2);
				richTextBox1.Text  = "    显示模式["   i.ToString()   "]：";
				richTextBox1.Text  = "宽度["   ddsd2.lWidth.ToString()   "]，";
				richTextBox1.Text  = "高度["   ddsd2.lHeight.ToString()   "]，";
				richTextBox1.Text  = "每象素的比特数["   ddsd2.ddpfPixelFormat.lRGBBitCount.ToString()   "]，";
				richTextBox1.Text  = "刷新频率["   ddsd2.lRefreshRate.ToString()    "]。"   "\n";
			}
		}