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Function Description: The ZOOMWHEEL system variable is used to switch the transparently zoom direction when scrolling the middle mouse wheel. Type : Integer Saved in : Registry Initial value : 0 Range : 0,1 System Variable Value: 0 : move wheel... Read More

Function Description: The SURFACEASSOCIATIVITYDRAG system variable is used to set the dragging preview behavior of associated surfaces. Type : Parameter Saved in : Drawing Initial value : 1 Range : 0,1,2 This system variable could control the surface... Read More

Function Description: The DIMATFIT system variable is used to control the text and arrows alignment method when the extension line space is not sufficient to place them. Type : Integer Saved in : Drawing Initial value : 3 Range : 0,1,2,3 System... Read More

Function Description: The CVPORT system variable is used to change identification code in current viewport. Type : Integer Saved in : Drawing Initial value : 2 System Variable Value: Users could change current viewport by setting the CVPORT system... Read More

Function Description: The CENTERMT system variable is used to control the text displaying in center horizontal when stretching by grips. Type : Integer Saved in : Registry Initial value : 0 Range : 0,1 The CENTERMT could not be applied on the Mtext... Read More

You can use the buttons on toolbars to start commands, display flyout toolbars, and display tooltips. Toolbars can be displayed or hidden, docked, and resized. When you move your mouse or pointing device over a toolbar button, the tooltip displays... Read More

Menus Menus can be accessed through the menu bar on the main menu bar.   In the "File" tab of the Options dialog box, you can set the save path for menu files. Shortcut MenusYou can get quick access to specific commands via the Shortcut menus.... Read More

Actions define how the geometry of a dynamic block reference will move or change when the custom properties of the block reference are manipulated in a drawing. Move: Move action causes objects to move a specified distance and angle such as a point,... Read More

Parameters have an appearance similar to dimensions. Parameters also specify positions, distances, and angles for geometry in a block reference. When you add a parameter to a dynamic block definition, the parameter defines one or more custom... Read More

Take the step shaft as an example, if we stretch the left part of the step shaft and the keyway still is at the center point of smaller diameter shaft after stretching. As the following picture shows:   Then, we use the “Distance Multiplier”... Read More