11   Selecting Objects

For some editing functions, you must select the objects which you want to use for the action. QCad offers many powerful selecting tools. You can use all of them for one selection and proceed with the editing function afterwards by clicking on the "Enough" button:

Click to deselect all objects of the drawing.

Click to select all objects of the drawing.

Choose this tool to select single objects by clicking on them. If the object you click is already selected, the object gets deselected.

This tool makes it easy to select closed contours. Click an object of the contour and the whole contour gets selected. If the object you click is already selected, the contour gets deselected.

Click the two corners of the area. All objects which are completely inside the area get deselected.

Click the two corners of the area. All objects which are completely inside the area get selected.

After choosing this tool you must click the start and the endpoint of a line. All objects intersected by this line get deselected.

After choosing this tool you must click the start and the endpoint of a line. All objects intersected by this line get selected.

This will invert the current selection.

Click to select whole layers. The layer of the object you click gets selected. If the object you click is already selected, the layer gets deselected.

This selects all objects which exist twice in the drawing. You can use this function to delete double objects from the drawing. If a line goes from point A to point B and another from point B to point A, one line gets selected.