void UpdateModuleZoomLevel()
{
ISupportZoom supportZoom = viewModel.ZoomModule as ISupportZoom;
if (supportZoom != null)
{
supportZoom.ZoomLevel = ZoomLevel;
}
}
void UpdateZoomLevelFromModule()
{
ISupportZoom supportZoom = viewModel.ZoomModule as ISupportZoom;
if (supportZoom != null)
{
ZoomLevel = supportZoom.ZoomLevel;
}
editItem.Visibility = captionItem.Visibility = (supportZoom != null) ? BarItemVisibility.Always : BarItemVisibility.Never;
}
void viewModel_SelectedModuleChanged(object sender, EventArgs e)
{
if (zoomModule != null)
{
zoomModule.ZoomChanged -= zoomModule_ZoomChanged;
}
UpdateZoomLevelFromModule();
zoomModule = viewModel.ZoomModule as ISupportZoom;
if (zoomModule != null)
{
zoomModule.ZoomChanged += zoomModule_ZoomChanged;
}
}
