hi,
Owner Draw need DrawItem Structure which i want "to pass" from "C"-Code to *.PRG
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i saw some Owner Draw Sample under harbour but "Owner" Draw is in "C"-Code and not in *.PRG
so i want to ask it it is possible to use a Codeblock in *.PRG and use Parameter pass from "C"-Code ?
Dummy "C"-Code
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oDrawItemStruct = xxDRAWITEMSTRUCT
aInfo = { {oDrawItemStruct:itemID+1,nColCount } ,; // XBP_DRAWINFO_ITEM
oDrawItemStruct:itemAction ,; // XBP_DRAWINFO_ACTION
oDrawItemStruct:itemState ,; // XBP_DRAWINFO_STATE
{oDrawItemStruct:rcItem:Left, oDrawItemStruct:rcItem:Top, oDrawItemStruct:rcItem:Right, oDrawItemStruct:rcItem:Bottom },;
NIL ,; // XBP_DRAWINFO_AREA
nColCount ,; // XBP_DRAWINFO_COLUMN
oDrawItemStruct:hDC ,; // XBP_DRAWINFO_HDC
oDrawItemStruct:hwndItem } // XBP_DRAWINFO_HWND
EVAL( drawItem, oDrawItemStruct:hDC , aInfo , Self)
Dummy *.PRG
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oCtrl:MeasureItem := {| nItem, aDims, oSelf | PureMeasureItem(nItem, aDims, oSelf,aPP) }
oCtrl:drawItem := {| hDC , aInfo, oSelf | PureDrawItem (hDC , aInfo, oSelf,aPP) }
PROCEDURE PureMeasureItem(nItem, aDims, oSelf,aPP)
// get Size of Item per Referenz aDims
RETURN
PROCEDURE PureDrawItem(hDC, aInfo, oSelf,aPP)
// Draw "as you like"
RETURN
Jimmy