Even though AllowZoomByResize is true, zooming form's content by resizing form will not work in these situations:
InnerPanelLayoutMode is InnerPanelLayoutMode.None.
The ownerForm's System.Windows.Forms.Form.IsMdiContainer is true.
The following code example shows how to use this property.
This code example is part of a larger example provided for the AllowPinchZoom property.