#include "ltwrappr.h"
virtual L_INT LAnnRuler::GetDistance(pdDistance)
L_DOUBLE *pdDistance; |
address of the variable that will be updated with the distance of a ruler object |
Gets the distance of the annotation object in the object's unit of measurement, set by LAnnRuler::SetUnit.
Parameter |
Description |
pdDistance |
Address of the variable to be updated with the distance of the ruler object. For objects having only one ruler, this variable will be updated with the length. For cross products, which have two rulers, this variable will be updated with the length of the primary ruler. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
LTANN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
Functions: |
Class Members, LAnnAutomation::GetTicMarkLength, LAnnAutomation::SetTicMarkLength |
Topics: |
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L_INT LAnnRuler_GetDistanceExample(HWND hWnd)
{
LBitmap MyBitmap;
RECT rect;
LAnnRuler MyAnnRuler;
ANNPOINT MyPts[2] =
{
40,40,
140,40,
};
pANNPOINT pMyPts = MyPts;
MyAnnRuler.SetPoints(pMyPts, 2);
L_UINT uShowFlags;
MyAnnRuler.GetShowFlags(&uShowFlags);
MyAnnRuler.SetShowFlags(ANNSHOW_LENGTH,0);
//Set Ruler properties
MyAnnRuler.SetVisible(TRUE);
MyAnnRuler.GetBoundingRect(&rect);
L_DOUBLE dDist=0;
MyAnnRuler.GetDistance(&dDist);
//Draw the annotation
HDC hDC = ::GetDC(hWnd);
MyAnnRuler.Draw(hDC,&rect);
::ReleaseDC(hWnd, hDC);
return SUCCESS;
}
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