protected override bool RunDialog(IntPtr hWndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.CHOOSEFONT cf = new System.Windows.Forms.NativeMethods.CHOOSEFONT();
IntPtr dC = System.Windows.Forms.UnsafeNativeMethods.GetDC(System.Windows.Forms.NativeMethods.NullHandleRef);
System.Windows.Forms.NativeMethods.LOGFONT logFont = new System.Windows.Forms.NativeMethods.LOGFONT();
Graphics graphics = Graphics.FromHdcInternal(dC);
System.Windows.Forms.IntSecurity.ObjectFromWin32Handle.Assert();
try
{
this.Font.ToLogFont(logFont, graphics);
}
finally
{
CodeAccessPermission.RevertAssert();
graphics.Dispose();
}
System.Windows.Forms.UnsafeNativeMethods.ReleaseDC(System.Windows.Forms.NativeMethods.NullHandleRef, new HandleRef(null, dC));
IntPtr zero = IntPtr.Zero;
try
{
zero = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.LOGFONT)));
Marshal.StructureToPtr(logFont, zero, false);
cf.lStructSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.CHOOSEFONT));
cf.hwndOwner = hWndOwner;
cf.hDC = IntPtr.Zero;
cf.lpLogFont = zero;
cf.Flags = (this.Options | 0x40) | 8;
if ((this.minSize > 0) || (this.maxSize > 0))
{
cf.Flags |= 0x2000;
}
if (this.ShowColor || this.ShowEffects)
{
cf.rgbColors = ColorTranslator.ToWin32(this.color);
}
else
{
cf.rgbColors = ColorTranslator.ToWin32(System.Drawing.Color.Black);
}
cf.lpfnHook = proc;
cf.hInstance = System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null);
cf.nSizeMin = this.minSize;
if (this.maxSize == 0)
{
cf.nSizeMax = 0x7fffffff;
}
else
{
cf.nSizeMax = this.maxSize;
}
if (!System.Windows.Forms.SafeNativeMethods.ChooseFont(cf))
{
return(false);
}
System.Windows.Forms.NativeMethods.LOGFONT logfont2 = null;
logfont2 = (System.Windows.Forms.NativeMethods.LOGFONT)System.Windows.Forms.UnsafeNativeMethods.PtrToStructure(zero, typeof(System.Windows.Forms.NativeMethods.LOGFONT));
if ((logfont2.lfFaceName != null) && (logfont2.lfFaceName.Length > 0))
{
logFont = logfont2;
this.UpdateFont(logFont);
this.UpdateColor(cf.rgbColors);
}
flag = true;
}
finally
{
if (zero != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(zero);
}
}
return(flag);
}
protected override bool RunDialog(IntPtr hWndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.CHOOSEFONT cf = new System.Windows.Forms.NativeMethods.CHOOSEFONT();
IntPtr dC = System.Windows.Forms.UnsafeNativeMethods.GetDC(System.Windows.Forms.NativeMethods.NullHandleRef);
System.Windows.Forms.NativeMethods.LOGFONT logFont = new System.Windows.Forms.NativeMethods.LOGFONT();
Graphics graphics = Graphics.FromHdcInternal(dC);
System.Windows.Forms.IntSecurity.ObjectFromWin32Handle.Assert();
try
{
this.Font.ToLogFont(logFont, graphics);
}
finally
{
CodeAccessPermission.RevertAssert();
graphics.Dispose();
}
System.Windows.Forms.UnsafeNativeMethods.ReleaseDC(System.Windows.Forms.NativeMethods.NullHandleRef, new HandleRef(null, dC));
IntPtr zero = IntPtr.Zero;
try
{
zero = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.LOGFONT)));
Marshal.StructureToPtr(logFont, zero, false);
cf.lStructSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.CHOOSEFONT));
cf.hwndOwner = hWndOwner;
cf.hDC = IntPtr.Zero;
cf.lpLogFont = zero;
cf.Flags = (this.Options | 0x40) | 8;
if ((this.minSize > 0) || (this.maxSize > 0))
{
cf.Flags |= 0x2000;
}
if (this.ShowColor || this.ShowEffects)
{
cf.rgbColors = ColorTranslator.ToWin32(this.color);
}
else
{
cf.rgbColors = ColorTranslator.ToWin32(System.Drawing.Color.Black);
}
cf.lpfnHook = proc;
cf.hInstance = System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null);
cf.nSizeMin = this.minSize;
if (this.maxSize == 0)
{
cf.nSizeMax = 0x7fffffff;
}
else
{
cf.nSizeMax = this.maxSize;
}
if (!System.Windows.Forms.SafeNativeMethods.ChooseFont(cf))
{
return false;
}
System.Windows.Forms.NativeMethods.LOGFONT logfont2 = null;
logfont2 = (System.Windows.Forms.NativeMethods.LOGFONT) System.Windows.Forms.UnsafeNativeMethods.PtrToStructure(zero, typeof(System.Windows.Forms.NativeMethods.LOGFONT));
if ((logfont2.lfFaceName != null) && (logfont2.lfFaceName.Length > 0))
{
logFont = logfont2;
this.UpdateFont(logFont);
this.UpdateColor(cf.rgbColors);
}
flag = true;
}
finally
{
if (zero != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(zero);
}
}
return flag;
}
public static extern bool ChooseFont([In, Out] System.Windows.Forms.NativeMethods.CHOOSEFONT cf);
