diff --git a/wpf/Gantt/Flow-Direction-Images/gantt-control-flow-direction-right-to-left.png b/wpf/Gantt/Flow-Direction-Images/gantt-control-flow-direction-right-to-left.png index 25195253fa..81a620dae0 100644 Binary files a/wpf/Gantt/Flow-Direction-Images/gantt-control-flow-direction-right-to-left.png and b/wpf/Gantt/Flow-Direction-Images/gantt-control-flow-direction-right-to-left.png differ diff --git a/wpf/Gantt/Import-and-Export-Support_images/gantt-import-and-export-support.png b/wpf/Gantt/Import-and-Export-Support_images/gantt-import-and-export-support.png index f1a4896a9b..4d1e9c1b0c 100644 Binary files a/wpf/Gantt/Import-and-Export-Support_images/gantt-import-and-export-support.png and b/wpf/Gantt/Import-and-Export-Support_images/gantt-import-and-export-support.png differ diff --git a/wpf/Gantt/Localization_images/localization-in-wpf-gantt-control.png b/wpf/Gantt/Localization_images/localization-in-wpf-gantt-control.png index 0d7c80f525..d07745e68c 100644 Binary files a/wpf/Gantt/Localization_images/localization-in-wpf-gantt-control.png and b/wpf/Gantt/Localization_images/localization-in-wpf-gantt-control.png differ diff --git a/wpf/Gantt/Strip-Lines_images/absolute-striplines-in-gantt-control.png b/wpf/Gantt/Strip-Lines_images/absolute-striplines-in-gantt-control.png index 88db0c92e3..f9ec9338b7 100644 Binary files a/wpf/Gantt/Strip-Lines_images/absolute-striplines-in-gantt-control.png and b/wpf/Gantt/Strip-Lines_images/absolute-striplines-in-gantt-control.png differ