// this code is adapted from Icon.GetIconSize please take this into account when changing this
private Size GetIconSize(IntPtr iconHandle)
{
Size iconSize = Size;
NativeMethods.ICONINFO info = new NativeMethods.ICONINFO();
SafeNativeMethods.GetIconInfo(new HandleRef(this, iconHandle), info);
NativeMethods.BITMAP bmp = new NativeMethods.BITMAP();
if (info.hbmColor != IntPtr.Zero)
{
UnsafeNativeMethods.GetObject(new HandleRef(null, info.hbmColor), Marshal.SizeOf(typeof(NativeMethods.BITMAP)), bmp);
SafeNativeMethods.IntDeleteObject(new HandleRef(null, info.hbmColor));
iconSize = new Size(bmp.bmWidth, bmp.bmHeight);
}
else if (info.hbmMask != IntPtr.Zero)
{
UnsafeNativeMethods.GetObject(new HandleRef(null, info.hbmMask), Marshal.SizeOf(typeof(NativeMethods.BITMAP)), bmp);
iconSize = new Size(bmp.bmWidth, bmp.bmHeight / 2);
}
if (info.hbmMask != IntPtr.Zero)
{
SafeNativeMethods.IntDeleteObject(new HandleRef(null, info.hbmMask));
}
return(iconSize);
}
// this code is adapted from Icon.GetIconSize please take this into account when changing this
private Size GetIconSize(IntPtr iconHandle)
{
Size iconSize = Size;
NativeMethods.ICONINFO info = default;
SafeNativeMethods.GetIconInfo(new HandleRef(this, iconHandle), ref info);
NativeMethods.BITMAP bmp = new NativeMethods.BITMAP();
if (info.hbmColor != IntPtr.Zero)
{
UnsafeNativeMethods.GetObject(new HandleRef(null, info.hbmColor), Marshal.SizeOf <NativeMethods.BITMAP>(), bmp);
Interop.Gdi32.DeleteObject(info.hbmColor);
iconSize = new Size(bmp.bmWidth, bmp.bmHeight);
}
else if (info.hbmMask != IntPtr.Zero)
{
UnsafeNativeMethods.GetObject(new HandleRef(null, info.hbmMask), Marshal.SizeOf <NativeMethods.BITMAP>(), bmp);
iconSize = new Size(bmp.bmWidth, bmp.bmHeight / 2);
}
if (info.hbmMask != IntPtr.Zero)
{
Interop.Gdi32.DeleteObject(info.hbmMask);
}
return(iconSize);
}