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keyword: Calculate width height text font string GetTextExtentPoint32A
;Calculate the width and height of text string txtstring = 'Hello' txtlen = StrCharCount( txtstring ) ;Get Device Context HDC=DllCall(StrCat(DirWindows(1),'USER32.DLL'),long:'GetDC',lpnull) ;Computes the width and height of the specified string of text. ;BOOL GetTextExtentPoint32( ; HDC hdc, // handle to DC ; LPCTSTR lpString, // text string ; int c, // characters in string ; LPSIZE lpSize // string size ); lpsize = BinaryAlloc( 8 ) result = DllCall ( StrCat(DirWindows(1),'GDI32.DLL'),long:'GetTextExtentPoint32A',long:HDC,lpstr:txtstring,long:txtlen, lpbinary:lpsize) ;Specifies the rectangle's width. The units depend on which function uses this. cx = BinaryPeek4(lpsize, 0 ) ;Specifies the rectangle's height. The units depend on which function uses this. cy = BinaryPeek4(lpsize, 4 ) ;Release Device Context DllCall ( StrCat(DirWindows(1),'USER32.DLL'),long:'ReleaseDC',lpnull,long:hdc ) note = 'The rectangle dimensions stored in this structure may correspond to viewport extents, window extents, text extents, bitmap dimensions, or the aspect-ratio filter for some extended functions.' Pause('GetTextExtentPoint32A', note : @CRLF :'Width: ': cx : @CRLF : 'Height: ': cy)
Article ID: W17908
Filename: Calculate Text width and height.txt
File Created: 2008:11:25:12:12:30
Last Updated: 2008:11:25:12:12:30