diff options
| -rw-r--r-- | src/win32/mod.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/win32/mod.rs b/src/win32/mod.rs index da94c70..e3920a8 100644 --- a/src/win32/mod.rs +++ b/src/win32/mod.rs @@ -191,7 +191,10 @@ impl Window { /// See the docs if the crate root file. pub fn swap_buffers(&self) { unsafe { - ffi::SwapBuffers(self.hdc); + if ffi::SwapBuffers(self.hdc) == 0 { + use std::os; + fail!("{}", os::error_string(os::errno())); + } } } } |