protected override void Dispose(bool calledManually)
{
if (ContextHandle == IntPtr.Zero)
{
return;
}
if (calledManually)
{
// This will fail if the user calls Dispose() on thread X when the context is current on thread Y.
Wgl.wglDeleteContext(ContextHandle);
}
else
{
Debug.Print("=== [Warning] OpenGL context leaked ===");
}
ContextHandle = IntPtr.Zero;
}
private void DestroyContext()
{
if (ContextHandle == IntPtr.Zero)
{
return;
}
try {
// This will fail if the user calls Dispose() on thread X when the context is current on thread Y.
if (!Wgl.wglDeleteContext(ContextHandle))
{
Debug.Print("Failed to destroy OpenGL context {0}. Error: {1}",
ContextHandle.ToString(), Marshal.GetLastWin32Error());
}
} catch (AccessViolationException e) {
Debug.Print("An access violation occured while destroying the OpenGL context. Please report at http://www.opentk.com.");
Debug.Print("Marshal.GetLastWin32Error(): {0}", Marshal.GetLastWin32Error().ToString());
Debug.Print(e.ToString());
}
ContextHandle = IntPtr.Zero;
}
