Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CommonUI / System / Drawing / Advanced / PrivateFontCollection.cs / 1 / PrivateFontCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /*************************************************************************\ * * Copyright (c) 1998-1999, Microsoft Corp. All Rights Reserved. * * Module Name: * * font.cs * * Abstract: * * COM+ wrapper for GDI+ font objects * * Revision History: * * 3/16/2000 [...] * Created it. * \**************************************************************************/ namespace System.Drawing.Text { using System.Diagnostics; using System; using System.Drawing; using System.Drawing.Internal; using System.Runtime.InteropServices; using System.ComponentModel; using Microsoft.Win32; using System.Security; using System.Security.Permissions; using System.Globalization; ////// /// Encapsulates a collection of public sealed class PrivateFontCollection : FontCollection { ///objecs. /// /// /// public PrivateFontCollection() { nativeFontCollection = IntPtr.Zero; int status = SafeNativeMethods.Gdip.GdipNewPrivateFontCollection(out nativeFontCollection); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } ////// Initializes a new instance of the ///class. /// /// /// protected override void Dispose(bool disposing) { if (nativeFontCollection != IntPtr.Zero) { try{ #if DEBUG int status = #endif SafeNativeMethods.Gdip.GdipDeletePrivateFontCollection(out nativeFontCollection); #if DEBUG Debug.Assert(status == SafeNativeMethods.Gdip.Ok, "GDI+ returned an error status: " + status.ToString(CultureInfo.InvariantCulture)); #endif } catch( Exception ex ){ if( ClientUtils.IsSecurityOrCriticalException( ex ) ) { throw; } Debug.Fail( "Exception thrown during Dispose: " + ex.ToString() ); } finally{ nativeFontCollection = IntPtr.Zero; } } base.Dispose(disposing); } ////// Cleans up Windows resources for this /// ///. /// /// /// public void AddFontFile (string filename) { IntSecurity.DemandReadFileIO(filename); int status = SafeNativeMethods.Gdip.GdipPrivateAddFontFile(new HandleRef(this, nativeFontCollection), filename); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); // Register private font with GDI as well so pure GDI-based controls (TextBox, Button for instance) can access it. SafeNativeMethods.AddFontFile( filename ); } // public void AddMemoryFont (IntPtr memory, int length) { IntSecurity.ObjectFromWin32Handle.Demand(); int status = SafeNativeMethods.Gdip.GdipPrivateAddMemoryFont(new HandleRef(this, nativeFontCollection), new HandleRef(null, memory), length); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved./// Adds a font from the specified file to /// this ///. ///
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