Even though AllowResizeByZoom is true, resizing form by zooming form will not work in these situations:
InnerPanelLayoutMode is InnerPanelLayoutMode.None.
ZoomPreviewMode is ZoomPreviewMode.NoPreview.
Pinch zoom when ZoomPreviewMode is ZoomPreviewMode.AlternativeContent.
Set ZoomFactor by SetZoomFactor(float,false).
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.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2