/// <summary>
/// Enters given Dpi awareness scope
/// </summary>
public DpiAwarenessScope(DpiAwarenessContext awareness)
{
if (EnableDpiChangedHighDpiImprovements)
{
try
{
if (!CommonUnsafeNativeMethods.TryFindDpiAwarenessContextsEqual(awareness, DpiAwarenessContext.DPI_AWARENESS_CONTEXT_UNSPECIFIED))
{
originalAwareness = CommonUnsafeNativeMethods.GetThreadDpiAwarenessContext();
// If current process dpiawareness is SYSTEM_UNAWARE or SYSTEM_AWARE (must be equal to awareness), calling this method will be a no-op.
if (!CommonUnsafeNativeMethods.TryFindDpiAwarenessContextsEqual(originalAwareness, awareness) &&
!CommonUnsafeNativeMethods.TryFindDpiAwarenessContextsEqual(originalAwareness, DpiAwarenessContext.DPI_AWARENESS_CONTEXT_UNAWARE))
{
originalAwareness = CommonUnsafeNativeMethods.SetThreadDpiAwarenessContext(awareness);
dpiAwarenessScopeIsSet = true;
}
}
}
catch (EntryPointNotFoundException)
{
dpiAwarenessScopeIsSet = false;
}
}
}