F_VN_DrawPoint
Draws a point.
Syntax
Definition:
FUNCTION F_VN_DrawPoint : HRESULT
VAR_INPUT
nX : UDINT;
nY : UDINT;
ipDestImage : ITcVnImage;
eShape : ETcVnDrawShape;
END_VAR
VAR_IN_OUT
aColor : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
nX |
UDINT |
x coordinate of the point |
|
nY |
UDINT |
y coordinate of the point |
|
ipDestImage |
Destination image | |
|
eShape |
Point shape | |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
|
Name |
Type |
Description |
|---|---|---|
|
aColor |
Color (for {-1, -1, -1, -1}, a random color is chosen) |
Return valueRequired License
TC3 Vision Base
System Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT V3.1.4024.54 or later | PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |