GetNearestEntityWCS

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GetNearestEntityWCS

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The GetNearestEntityWCS function determines a point that is nearest to the mouse cursor position.

 

Syntax:

 

int GetNearestEntityWCS(

  HANDLE hObject,

  LPCSTR NearestEntityName,

  DWORD nSize,

  LPRECT R,

  LPPOINT APoint2D,

  LPPOINT APoint3D,

);

 

 

Parameters:

 

hObject

Identifies the CADImage object handle.

NearestEntityName

Contains the name of the closest entity after calling the GetNearestEntityWCS function.

nSize

Specifies size of the NearestEntityName buffer for a name of the closest entity.

R

Specifies the RECT structure that contains logical coordinates of the drawing rectangle.

APoint2D

Specifies a 2D point (in screen coordinates) relative to which search will be implemented.

APoint3D

Specifies a 3D point (in CAD drawing units) relative to which search will be implemented.

 

 

Return Value:

If the function succeeds, the return value is 3.

If the function fails, the return value is zero. To get extended error information, call GetLastErrorCAD.

 

 

Note:

After executing GetNearestEntityWCS function APoint3D contains the closest knot point of the entity returned in NearestEntityName.

 

 

See Also

CADCreate  | GetNearestEntity


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