int CanvasDrawPoint (int panelHandle, int controlID, Point point);
Draws a point on the canvas control at a position you specify.
CanvasDrawPoint draws the point using the current value of the following attributes:
>ATTR_PEN_COLOR
ATTR_PEN_MODE
ATTR_PEN_WIDTH
At pen widths of greater than one, the point might appear to be non-circular.
Input | ||
Name | Type | Description |
panelHandle | integer | Specifier for a particular panel that is currently in memory. You obtain this handle from LoadPanel, NewPanel, or DuplicatePanel. |
controlID | integer | The defined constant, located in the .uir header file, that you assigned to the control in the User Interface Editor, or the ID returned by NewCtrl or DuplicateCtrl. |
point | Point | Point structure specifying the location at which to draw the point. The Point structure is defined as follows: typedef struct { int x; int y; } Point; You can create a Point without having to declare a variable by using the following function: Point MakePoint (int x, int y); ExampleCanvasDrawPoint (panelHandle, controlID, MakePoint (20, 30)); |
Name | Type | Description | ||||
status | integer | Return value indicating whether the function was successful. A negative number indicates that an error occurred.
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