void OnSourceInitialized(object sender, EventArgs e)
{
source = (HwndSource)PresentationSource.FromVisual(this);
// calculate the DPI used by WPF; this is the same as the system DPI
Matrix matrix = source.CompositionTarget.TransformToDevice;
DpiInformation = new DpiInformation(96D * matrix.M11, 96D * matrix.M22);
if (isPerMonitorDpiAware)
{
source.AddHook(WndProc);
RefreshMonitorDpi();
}
}
private void OnSourceInitialized(object sender, EventArgs e)
{
this.source = (HwndSource)HwndSource.FromVisual(this);
// calculate the DPI used by WPF; this is the same as the system DPI
var matrix = source.CompositionTarget.TransformToDevice;
this.dpiInfo = new DpiInformation(96D * matrix.M11, 96D * matrix.M22);
if (this.isPerMonitorDpiAware)
{
this.source.AddHook(WndProc);
RefreshMonitorDpi();
}
}