To | Do this |
Draw a component of equal proportions or at 90 degree angles | Hold the SHIFT key while drawing a component. For example, if the user selected a rectangle tool button and then clicked in the client area while holding the SHIFT key, the application would draw a square. |
Draw a component that is centered on the point at which the drawing started. | Hold the CTRL key while drawing a component. |
Draw a line | Click the Line button . Then, click and hold the mouse button in the client area and drag until the line is the appropriate length. |
Draw a polyline | Click the Polyline button . Then, click in the client area. Click again to place a vertex. Double-click to finish drawing. Right-click to cancel the action. |
Draw a rectangle | Click the Rectangle button . Then, click and hold the mouse button in the client area. Drag the pointer until the rectangle is the width and length you want. |
Draw a polygon | Click the Polygon button . Then, click in the client area. Click again to place a vertex. Double-click to finish drawing. Click the right mouse button to cancel the action. |
Draw a polycurve | Click the Polycurve button . Then, click in the client area. Click to place an endpoint, two control points and another endpoint. Double-click to finish drawing or right-click to cancel. |
Draw a closed curve | Click the Closed Curve button . Then, click in the client area. Click to place an endpoint, two control points and another endpoint. Double-click to finish drawing or right-click to cancel. Unlike the polycurve, the user can assign a fill color to a closed curve. |
Draw an ellipse | Click the Ellipse button. Then, click and hold the mouse button while dragging in the client area until the ellipse is the size you want. |
Add text | Click the Text button . Then, click in the client area. The text can be changed by double-clicking on the text component. |
Add an image | Click the Image button to open a standard Open dialog from which the user can select an image in either .bmp, .wmf or .dib format. |