请教如何利用VB加载GDI+

请教如何利用VB加载GDI+,第1张

shell "路径" ;先调用

然后

Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long

Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal X As Long, ByVal Y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long

Private Sub Form_Load()

Me.Hide

Me.AutoRedraw = True

BitBlt Me.hDC, 0, 0, Screen.Width, Screen.Height, GetDC(0), 0, 0, vbSrcCopy

sFile$ = "C:\" &Format(Now, "mmddhhmmss") &".BMP"

SavePicture Me.Image, sFile

MsgBox "当前屏幕图像已经保存到" &sFile, 64

End

End Sub;保存截图

方案一.

使用Declare的方式,声明所有需要用到的GDI函数,在PictureBox的DC上完成绘图

方案二.

VB本身也提供有绘图函数,直接用之即可


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