Polyline

Polyline, PolyLineTo

VB聲明

Declare Function Polyline Lib "gdi32" Alias "Polyline" (ByVal hdc As Long, lpPoint As POINTAPI, ByVal nCount As Long) As Long

Declare Function PolylineTo Lib "gdi32" Alias "PolylineTo" (ByVal hdc As Long, lppt As POINTAPI, ByVal cCount As Long) As Long

說(shuō)明

用當(dāng)前畫(huà)筆描繪一系列線段。使用PolylineTo函數(shù)時(shí)，當(dāng)前位置會(huì)設(shè)為最后一條線段的終點(diǎn)。它不會(huì)由Polyline函數(shù)改動(dòng)

返回值

Long，非零表示成功，零表示失敗

參數(shù)表

參數(shù)

類(lèi)型及說(shuō)明

hdc

Long，要在其中繪圖的設(shè)備場(chǎng)景

lpPoint

POINTAPI，nCount POINTAPI結(jié)構(gòu)數(shù)組中的第一個(gè)POINTAPI結(jié)構(gòu)

nCount

Long，lpPoint數(shù)組中的點(diǎn)數(shù)。會(huì)從第一個(gè)點(diǎn)到第二個(gè)點(diǎn)畫(huà)一條線，以次類(lèi)推

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