Transparency in a straight line drawn on the image and use the api function MoveToEx (DC: HDC {device context handle} p2, p3: Integer {coordinates} p4: PPoint {to save p2, p3 values ​ ​ TPoint structure pointer}): BOOL LineTo (DC: HDC {device context handle} X, Y: Integer {line end coordinates}): BOOL

绘制透明线\WinAPI MoveToEx 与 LineTo - 绘制直线\Project1.cfg
..........\....................................\Project1.dof
..........\....................................\Project1.dpr
..........\....................................\Project1.exe
..........\....................................\Project1.res
..........\....................................\Unit1.dcu
..........\....................................\Unit1.dfm
..........\....................................\Unit1.pas
..........\....................................\Unit1.~dfm
..........\....................................\Unit1.~pas
..........\....................................\说明.txt
..........\图.JPG
..........\绘制透明线image\Project1.cfg
..........\...............\Project1.dof
..........\...............\Project1.dpr
..........\...............\Project1.exe
..........\...............\Project1.res
..........\...............\Unit1.dcu
..........\...............\Unit1.ddp
..........\...............\Unit1.dfm
..........\...............\Unit1.pas
..........\...............\Unit1.~ddp
..........\...............\Unit1.~dfm
..........\...............\Unit1.~pas
..........\WinAPI MoveToEx 与 LineTo - 绘制直线
..........\绘制透明线image
绘制透明线

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