Zoom  Property

Description         Specifies whether the image of a BIDisp control can be zoomed using the mouse.

Usage                  [form.] BIDisp.Zoom [=  boolean]

Settings               The  Zoom property settings for a BIDisp control are:

 

Setting                 Description                                                                               

tif2sDisable         (Default). Prevents zooming of image using the mouse.

tif2sEnable         Allows zooming of image using the mouse.

Remarks             If the Zoom property is enabled and the user presses the left mouse button down, a rectangle will appear. While the left mouse button is down, the user can select a rectangle for the calculation of a new scaling factor. When the button is released the image is displayed with the new scaling factor. If the user does not select a rectangle but only presses and releases the button, then the scaling factor will increase by about 20 percent. If the user presses and releases the RIGHT button than the scaling factor will be reduced about 20 percent.

                            Zoom can be performed if the ScaleMode is set to NoScale.       

                            No MouseDown, MouseMove and MouseUp Events performed during the zoom procedure.

Data Type          Integer (Boolean)

Available            þDesign-Time      þRun-Time Read      þRun-Time Write

See Also              ScaleMode Property, ZoomWithKeyboard Property