public void DeleteObject(IntPtr handle, GdiObjectType type)
{
IntPtr zero = IntPtr.Zero;
switch (type)
{
case GdiObjectType.Pen:
if (handle == this.hCurrentPen)
{
IntUnsafeNativeMethods.SelectObject(new HandleRef(this, this.Hdc), new HandleRef(this, this.hInitialPen));
this.hCurrentPen = IntPtr.Zero;
}
zero = handle;
break;
case GdiObjectType.Brush:
if (handle == this.hCurrentBrush)
{
IntUnsafeNativeMethods.SelectObject(new HandleRef(this, this.Hdc), new HandleRef(this, this.hInitialBrush));
this.hCurrentBrush = IntPtr.Zero;
}
zero = handle;
break;
case GdiObjectType.Bitmap:
if (handle == this.hCurrentBmp)
{
IntUnsafeNativeMethods.SelectObject(new HandleRef(this, this.Hdc), new HandleRef(this, this.hInitialBmp));
this.hCurrentBmp = IntPtr.Zero;
}
zero = handle;
break;
}
IntUnsafeNativeMethods.DeleteObject(new HandleRef(this, zero));
}
public void Dispose(bool disposing)
{
if (this.nativeHandle != IntPtr.Zero)
{
if (this.ownHandle)
{
IntUnsafeNativeMethods.DeleteObject(new HandleRef(this, this.nativeHandle));
}
this.nativeHandle = IntPtr.Zero;
if (disposing)
{
GC.SuppressFinalize(this);
}
}
}
internal void Dispose(bool disposing)
{
bool flag = false;
if ((this.ownHandle && (!this.ownedByCacheManager || !disposing)) && ((this.everOwnedByCacheManager || !disposing) || !DeviceContexts.IsFontInUse(this)))
{
IntUnsafeNativeMethods.DeleteObject(new HandleRef(this, this.hFont));
this.hFont = IntPtr.Zero;
this.ownHandle = false;
flag = true;
}
if (disposing && (flag || !this.ownHandle))
{
GC.SuppressFinalize(this);
}
}
